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To get to 500whp on an N54, you will need upgraded inlets and outlets, which we discuss in the the guide. i tested using 2 different brand gauges just to be sure. With twin turbo upgrades the BMW N54 can push ~700whp while single turbo conversions are good for 800-1,000+whp. - Editor. Again, we are on the E92 335i platform, featuring a 6-speed manual transmission and a mod list that will leave you realizing you will probably never have 900HP on your N54. You can also run both for the best performance. Not many engines can do so much with so little. 600+whp with a big single shouldnt be much of an issue. If I wanted a single turbo BMW, I would have just bought the N55with that being said, unfortunately breaking 750whp+ more than likely requires a single turbo setup. Piggyback vs. Posts. Mahle uses their high-performance 2618 alloy for their N54 pistons. What is a good compression ratio for Turbo? However, a custom tune can help squeeze out a bit more power. However, we really like the N54 in the 500-600whp range. Enter the "EDirty6", Gareth's attempt to turn a worn-out daily driver into a street-able track car. BMW's love for aluminum bolts has caused more than a few issues. Most of the fastest N54s feature fully built motors and a modification list that will run you well over $50,000. - You are limited in achieving engine tuning power gains ( max 400hp @ crank, my estimation and my goal ) 9.4:1. A tune is the foundation. Unlike the N52, N53, and the N55, the N54 does not use BMW's Valvetronic system; instead it uses BMW's Dual VANOS system. Numbers higher than 200 psi create excessive cylinder pressure at low engine speeds, which turns the engine into a detonating monster. Here are some of our favorites from Europe. We ran 425+whp on a bone stock LPFP for over 7 years and 40,000 miles on 30-40% E85 without a hiccup. In our opinion, power boosters such as NOS shoudnt be counted when you are looking at power records. This setup was running 25.4psi, which is still shy of Vargas turbos record of 29.3psi on the same turbos. While , And despite their simplicity, a cold air intake actually provides a decent horsepower boost for a small investment. Honda K24: Everything You Need to Know | Specs and More, Powerstroke 6.0L: Everything You Need to Know | Specs and More. google common problems of the n54 and 2, perform a compression test. Occurs during a cold start; Its V8 weighs 445 lbs, while the N54 weighs 429 lbs. You can take the same approach with any of the list. All these mods together will make about 375-400whp. Valve covers crack regularly. The list goes on, but the point remains. Even new turbos are prone to rattle. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Those awards were issued back when the engine was new and the problems we justmentioned were so common, but it still goes to show how good the N54 really is. Quite often, the temperature rise of the gas during the compression dictates a limit for the safe or reasonable pressure rise. Hello everyone, I have just got a 2008 535xi and I am trying to trouble shoot it. Closed deck 9.5:1 compression N54 short block, forged rods, forged pistonsFully Ported head with oversized intake valves, Manley springs, Ti Retainer, Stock camsVTT GC turbochargersCustom VTT inlets with 6 velocity stacksVTT Double Barrel HPFP systemEOS V2 intake manifold with top PIADE 1100WHP FMICCustom triple Walbro LPFP set up with Radium Surge tankMHD tuner tuned by V8BAIT100% E85. Do I have to remove all spark plugs to do a compression test? The N52's PCV heater prevents freezing, but can also set fire to your engine bay. The compression test can be done either hot or cold. 847WHP + 726TQ - Vargas Twin-Turbo N54 on 25.4psi. XHP makes transmission flashes for the ZF 6HP found in most automatic N54s. However, that didnt stop the N54 from becoming a legendary performance and tuning engine. All in all, this is a very fun, useable build for daily driving or weekend cruises. The lower reading from the "China" tester doesn't mean it wasn't accurate. But Id rather not buy more cars. Intake valves should be cleaned every 70,000 to 100,000 miles. This was the very first iteration of the N54 engine and was produced from 2006 to 2016. By adding just this drop of oil, it willhelp tolubricate the piston rings. These cookies will be stored in your browser only with your consent. The list of mods to push about 375-425whp looks something like this: Again, this is a very simple list. Is a brake light and running light the same? The 135i features a single turbo Precision 6266 conversion capable of 700+whp; Jake completed the entire project on his own. N54 HPFP Failure CEL Codes: These are common codes, certain ones might not indicate a failed HPFP (such as a cylinder misfire code) P142E: low pressure in HPFP system - injection disables to protect catalytic converters 2FBF: Fuel pressure at injection release 2FBE: Fuel pressure after motor stop 29DC: Cylinder injection switch off BMWs N55 engine began production in 2009, Read More BMW N54 vs. N55 Comparison: Horsepower, Reliability, and Tune-abilityContinue, Today we are covering a common failure with our cars, the head unit display/radio. Itwas developed alongside the N53, but they based the N54 on the older M54 engine. The n54 is awesome but problematic. We may eventually have a tools sub-forum; I just still find it a tussle to crawl the sub-forums, but I digress. Zach is highly knowledgeable about all things BMW, but his expertise in tuning and performance mods sets him apart. We also use third-party cookies that help us analyze and understand how you use this website. N54 is pretty reliable besides a few misfires on old hardware. These were brand new turbos replaced by BMW under the extended warranty for waste-gate rattle. hbspt.cta._relativeUrls=true;hbspt.cta.load(3867393, '13f0880f-a4d7-45ef-b212-169a84bd06a5', {"useNewLoader":"true","region":"na1"}); Gareth is the Since joining FCP in 2012 Gareth has sought out to develop one of the broadest and most accurate BMW replacement parts catalog. mine appears normally with it resting at 0. Next Last. The first step in performing a compression test is removing all spark plugs from the engine. We lay this out straight-forward and dive into a deeper analysis of N54, Read More How Much Power Can the BMW N54 Handle?Continue. I have seen engines will even, but low compression. The first issue to discuss is waste-gate rattle on N54 turbos. 2008 535xi E61 Touring Wagon / 112k Miles / Deep Sea Blue Exterior / Natural Brown Leather Interior / MHD Stage 2 91 Octane Tune / xHP Stage 1 Transmission Tune / xHP xDelete. However, you may be left stranded from time to time. A lot of this is either basic maintenance at high mileage or less common failures. . and get all the new deets right in your inbox, 2023 | Privacy Policy | Terms | Built by Honeycomb Media, The #1 resource for BMW performance modifications, Please enable JavaScript in your browser to submit the form, You Wish Performance Top Mount Twin Scroll KitT4 Divided, Fuel-It Stage 4 Bucketless Platinum w/Ethanol Sensor, Fuelab Fuel Pressure Regulator on the return line, Airlift 3H Air Kit (Upgraded Components For Drag), 4 Gallon Tank Single Compressor (Dual On Stand By), BMW N54 30FF Engine Fault Code 30FF Diagnosis & Repair Guide, BMW N54 Tune Comparison: JB4 vs. Cobb vs. MHD. Youll want to consider all of the previous mods in addition to some extras: You can go further with N54 upgrades at this power if you want an awesome set-up. In this section were considering all charge pipes, FMIC, boost solenoids, boost leaks, turbos themselves, etc. The N54 can also hang with owners wanting even more power. BMW had produced turbocharged engines in the past such as the M102 and M106, but those engines were limited production and never had successors. These 5 come in under $10,000. Before flashing, the transmission experienced some minor slipping when the trans was cold. With over 200 automotive articles published, Jake brings a balance of writing skill, hands-on BMW experience, and technical knowledge to the table. 1) Injectors fail; dying mainly due to poor fuel quality and traffic in traffic jams. Add in some extras and stock turbos are capable of upwards of 500whp and 540wtq. To expand on Jakes reply, I tried MHDs flash tune on my stock turbos at ~19.5-20 PSI and blew the turbos within 2,000 miles. Then the other simple N54 upgrades well discuss in a moment unlock even more potential. If they break parts of the belt can wind around the crank and actually wind up in the oil pan and cause issues. A few simple upgrades and tuning can push the N54 to 400+whp. Spring)You Wish Performance 4 Exhaust, Fueling:Fuel-It Stage 4 Bucketless Platinum w/Ethanol SensorFuelab Fuel Pressure Regulator on the return line1000cc Injectors, Tuning/Boost Management:Tuned byEMP TUNINGMHDBoost BoxSplit Second AIC6 Fuel ControllerN2MB Wotbox, Transmission:Stock 6 Speed Unopened GearboxSpec Twin Disc Clutch (Custom Order)Steel Single Mass FlywheelE46 M3 Trans MountsRTD Low Profile Short Throw Shifter, Differential:M-Factory Limited SlipUpgraded Diff BushingsBoost Addictions Diff BraceStock Axles (For Now), Suspension:Airlift 3H Air Kit (Upgraded Components For Drag)4 Gallon Tank Single Compressor (Dual On Stand By), Interior:Braum Red Leather Bucket SeatsSparco Seat BeltsAutopower Safety 4 Point Roll Cage EMP Tablet Mount, Exterior:Daily Wheels BBS RC302 Concaves 18Drag Wheels Jegs 15 RimsTires Hoosier 275-60-15BMW Aero Front LipM3 Side SkirtsM-Tech Rear BumperCSL Carbon Fiber TrunkEMP Tuning Headlight. I can only speak for the results I got on my built motor which reads right around ~200-210psi. Pistons are cast yet remain pretty strong. Who would have thought it would be off by that much Super post. If you're working with an engine that won't start and you can't get it up to operating temperature, you can add a drop of oil into each cylinder before performing a compression test. Not a huge deal if you plan to upgrade anyways. A lot of N54s already have the updated HPFPs that dont often have problems. Theyre praised for being able to withstand insane amounts of power without exploding, but there is another turbocharged inline-6 which rivals the performance of those two engines and thats the BMW N54. Nonetheless, there are generally accepted limits for the N54. Do NOT follow this link or you will be banned from the site! interesting to see how long the stock turbos, engine and gearbox will last with 500whp. Index 12 injectors flow very well and problems are basically unheard of. Its received numerous International Engine of the Year awards and had thrice won the Wards 10 Best Engine Award. The BMW N54 engine made its debut in the 2007 E90/E92 335i. Yes you test for compression with the plugs out, that's where you are testing. Running upgraded inlets and outlets and E85, the N54 stock turbos can break this 500whp barrier. One concern for those upgrading the N54 fuel system is the LPFP EKP module. Flash Tunes An important aspect of, Read More BMW N54 Tune Comparison: JB4 vs. Cobb vs. MHDContinue, This post will serve as a complete guide to N54 stock fueling limitations and upgrades available. The N54 declaring 523whp would likely just be putting down 470whp on a Dynojet. Performing a compressiontest when the engine is cold is generallya less precise approach. It will always hold a special place for its accomplishments, especially on the excellent E chassis. The N54 engine is a very popular platform with enthusiasts due to the potential power that can be unlocked. Is the BMW N54 3.0L inline-6 engine reliable? To note this post is based on the V8.1 maps available for the N54. Each type of leak can lead you to the next step in diagnosing an engine performance problem. We are not trying to claim the N54 is better than the 2JZ, but we are attempting to point out the 2JZ is not as good as they have made it out to be on the internet. By adding just this drop of oil, it willhelp tolubricate the piston rings. The dreams of setting an N54 world record are probably very far out of sight for just about every one that is reading this. MMP turbo inlets and outletsJB4 custom tuning backendfuel-it stage 2 LPFPdual meth injectionDPs without catsBig Tom intercoolerTFT charge pipecustom 3 intercooler up pipeNGK .022 gapped spark plugs, How much power can the N54 engine handle in stock form? The list of problems is often longer than the list of what isnt an issue. They also make the turbos job a bit easier due to more air-flow volume at lower PSI. Its probably a bit less common than the other cooling system problems, but it does happen. Necessary cookies are absolutely essential for the website to function properly. Then I went out and bought torgue wrenches. Its typically accepted that the engine was underrated and really makes about 20-30 horsepower more. The N54 is part of the NG6 BMW engine family. Low compression in one cylinder usually indicates a bad exhaust valve. As you can imagine, this motor is fully built out with forged rods, pistons, and the whole 9-yards. These are simply some of the frequent issues. Tuning and upgrades is a long topic for the BMW N54 engine. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. Transmission & engine mounts and subframe bushings arent a bad idea. Has an oil and coolant leak as well. Major General . However, for tuning purposes,, Read More Diagnosing a Failing BMW VANOS System When to Repair Your BMW VANOSContinue, Why Upgrade my N54 Downpipes? 1 of 2 Go to page. The size of the turbo in this beast will eat your child! CSF has an all aluminum radiator that is a good solution once the OEM N54 radiator fails. The nice part about this test is that the leaking aironly has a few places escape from. Can you do a compression test on a cold engine? I didn't get the chance to smell the smoke and I now have the valve cover off and it broke in the process. Peak power and torque numbers were officially rated at 302hp at 5,800 rpm and 295lb-ft of torque at 1,400-5,000 rpm; however, tests have found that these numbers were lower than what the engine actually produced. These questions come up frequently, but there is no perfect answer. These cookies track visitors across websites and collect information to provide customized ads. A forum community dedicated to BMW owners and enthusiasts. Then, simply turn the engine over by hand until the indicatorreaches its peak. O2 sensors, VANOS solenoids, and misc. What are acceptable compression readings? If you'd like to keep up with my build, you can do so right here on the blog and by subscribing to our YouTube channel. Poor compression can also have an effect on engine performance inregards to the balance of poweracross each cylinder. Jake has 10 years of experience maintaining, repairing, and upgrading his BMWs. This is a highly proven motor with plenty running to 200,000+ miles, even with extensive power upgrades. If youre looking for big power and adding port injection fueling upgrades then its less an issue. $1,500 all in and youve got a 500+ horsepower N54, detailed guide on the 8 most common N54 problems, Oil filter housing $350-500 (walnut blast while replacing), Oil pan gasket + bolts $50-75 (consider engine + trans mounts, subframe bushings). . Piston crown volume: -21.5cc. Dropping the subframe for the oil pan gasket is a lot of work. We now have a new world record coming in at 978WHP! VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Were talking about an engine thats mostly 12-15 years old now. Then you have an easy reference that you can go back to later. I would suggest looking into having a leak down test done before you do anything drastic. JavaScript is disabled. The N54 engine is largely behind the origination of this blog. Auto trans held up perfectly fine with no signs of slipping. The owner wanted to run the half mile at 25.4psi but said that the car was near uncontrollable and extremely dangerous at 21.6psi and didnt want to take the risk. Consider turbo upgrades if you find yourself in this position. However, since the air and fuel are both more highly compressed, there will be more heat. dry out. I think. Content on bimmerfest.com is generated by its users. Some even fail by 40,000 miles or sooner. The reason for this is that the piston rings expand when warm. [11][12]The boost pressure is 8 psi (0.55 bar) and an air-to-air intercooleris used. The BMW N54 is a beautiful engine, but some days it will have you banging your head on a wall, Before purchasing a turbocharged 135i, 335i or 535i it is important to consider the differences between the N54 and N55 powered BMWs. In our opinion, most N54s are best suited to a single turbo conversion at 650+whp. In turn,this givesyou a more accurate idea of the compression within each cylinder when the engine is at operating temperatures. Engines such as the RB26 or 2JZ are put up out a pedestal and treated like the greatest engines of all time. Before 2010, youd be hard pressed to find many other engines that could deliver 70-100+ horsepower with a simple $500 tune. These specifications come from the BMW Service Manual. No such issues after flashing. bimmerfest.com is not in any way affiliated with Bayerische Motoren Werke AG. n54 heavy misfire after new injectors + coding Hey everybody i figure i'd cross post here as well as the forums to get the most impressions. This run was a boost-only pull, meaning no Nitrous or other power adders! Save my name, email, and website in this browser for the next time I comment. Youll also need expensive port injection upgrades, and other things become more necessary. ASIN : B002V9LOD0 : Not good. What are the limits of the stock N54 fueling system? What is a bad compression reading? If there is no blue then the smoke is water/coolant. Low compression in one cylinder usually indicates a bad exhaust valve. Up to 600whp is a pretty safe area for the N54 engine. Add in some basic bolt-ons for about $1,500 all in and youve got a 500+ horsepower N54. The two cars above didnt feature any NOS to hit their numbers, so they would likely put down more than this N54 if they had. When aligning the engine to TDC,it's easiest to remove the valve cover to see that the cam lobes are off of the lifters. Low compression in two adjacent cylinders typically means you have a bad head gasket. Your email address will not be published. The cookie is used to store the user consent for the cookies in the category "Other. Almost all the cams will fall under the range of 104-116 with nice idling. Does it smell sweet? Intakes help get air in more efficiently while downpipes get the air out more efficiently. Also, if a bolt snaps it is a scary thing. Toyota 1GZ-FE: Everything You Need To Know, Ford 3.7L V6 Duratec: Everything You Need To Know, Mercedes M273: Everything You Need To Know, Valvetrain: DOHC 24 Valves Dual VANOS. Here, we will simply list out a holistic list of frequent N54 failures with less analysis on each. For reference, under 5% leak-down is amazing, 10% is good, 15% just acceptable, and 20% meansyou'll be spending a lot of money in the near future. I promise we only send like one email per month. We may be missing a few small items, but this is the basic stuff. However, the N54 isnt for everyone. His experience as an enthusiast, combined with his technical knowledge, makes him an essential resource for anyone looking to improve the performance of their BMW. Check out our video below on common N54 engine problems. However, 600whp on quick spooling twin turbos is a different story. You should start to worry if one of your cylinders is getting close to 100 psi. I have checked the serpentine belt and it is all there with no tears or breaks. Consider other things to replace while its down. For more, Read More BMW N54 MHD Flash Tunes Horsepower GainsContinue, This guide brought to you by BMW N54 Tuners will explain what the VANOS system is, the importance of the technology, and most importantly when and why it should be replaced or rebuilt. For a better experience, please enable JavaScript in your browser before proceeding. Compression Test numbers. Want to take things even further? How to Diagnose & Repair Volvo "Anti-Skid Service Required" Message, Seven New European Cars That Offer A Manual Transmission (2020 Model Year). Again, random failures do happen but thats true of any engine. Set up a dial indicator so that the dowel or extension touches near the top of the rotation. The torque is low and if it's not right the new one will leak. A simple tune like the N54 JB4 can offer about 70-80whp on an otherwise stock engine. It also makes 300-335 horsepower from the factory. At this point, it's a great time to have a battery charger hooked up while you're continuously cranking the engine over. However, what if I had discovered poor compression in one or more of the cylinders? sensors sometimes fail with that kind of age. he can be reached at A $400 water pump can add another $400-600 in labor. By clicking Accept, you consent to the use of ALL the cookies. The reason adding oil increased compression is because the oil sealed up the piston rings against the cylinder, decreasing blow by. We have been waiting for the first 900hp N54, and one company claims to have broken this barrier. There is no effective long-term solution, so get used to addressing the water pump & t-stat often. This post will highlight the differences between the common tunes for the N54 and hopefully help identify which tune is right for your goals. This is a non-issue if you can run the engine, first. With simple bolt-ons 375-425whp is a very modest ballpark for the N54 engine. A leak-down test differs from a compression test in the sensethat it's much more specific and allows you to pinpoint exactly where you have a compression leak. Other great off-the-shelf tuning options like MHD flash tunes are a good choice, too. The car was running 24psi of boost. Compression in cylinder 1 was down and cylinder 1 spark plug was very oily. BMW E90 335i N54 Head Off & Compression Issue Conclusion So we have been lucky to a degree, probably the best case scenario for this motors compression probl. Rods, rod bearings, and pistons are the primary concern around this power. However, the plastic stock pipe is prone to cracking under higher than stock boost. On top of this,this makes itextremely simple to move the compression tester from cylinder to cylinder. Reliability is a case by case basis; some may experience endless issues while others may go 100,000+ miles without any significant problems. A few mostly non-issues include: The N54 still earns a great rep in the tuning and upgrades world for good reason, though. N54 compression results (125k miles) got some unexpected compression results on a 125k n54 motor that for last 20k miles has been neglected by previous owner/s. Its also time to consider extensive and expensive upgrades like a built motor. A tune is the foundation to making more power with the 3.0 inline-6 twin turbo engine. Its expensive to do that work at a repair shop, though. Mix in a small E85 blend and youll likely push into the 410-430whp range. Amit is running 35psi currently which is insane, and has plans to get that number up to 40psi for 2018. In order to post comments, please make sure JavaScript and Cookies are enabled, and reload the page. A forged crank and rods deliver solid strength. Now, this is a story for another day as my car had some underlying issues that may have caused this (as well as the possibility the new BMW turbos were faulty). But opting out of some of these cookies may affect your browsing experience. 509WHP + 575TQ . About 157 PSI vs 170 for the rest. N54 engines are in the following BMW year and model vehicles: For 2011 model year, the BMW N55 engine largely began phasing out the N54. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more! Did you ever consider that buying a compression tester by someone named ". Analytical cookies are used to understand how visitors interact with the website. How does E85 factor into all of this? Does the white smoke diminish as the engine warms up any? The Cheapest, Most Reliable Mercedes-AMG Cars Ever, Period! Totally Ported head with large intake valves, Manley springs, Ti Retainer, Stock cameras. The list could go on and on. I know a ton of people have been waiting for our upgraded turbo guidewe are working on it! Some dont even last that long, though. (HF ones are fine, read instructions.). Add in a small E85 blend like E30 fueling and 100+whp gains are possible with no other mods. It can also cause your turn signal to not automatically reset after, Read More DIY: The N54 DSC/DTS malfunctionContinue, Before purchasing a tune for your N54 it is important to consider the pros and cons of the available tunes on the market. Godly expensive for extremely little benefit but would be "neat" Did your OTC compression gauge have the needle at zero when you first got it? The BMW N54 can accomplish it pretty easily. Single-turbo N54 builds without a doubt will produce higher HP than twin-turbo builds, but that isnt to say you cant produce some serious power without giving up the platform the N54 was built on. As per the N54, the compression ratio is 10.2:1, the bore is 84.0 mm (3.31 in), the stroke is 89.6 mm (3.53 in) and the displacement is 2,979 cc (181.8 cu in). However, some like to run WMI instead. Go. It can get expensive to build a useable 600+whp N54, so dont set your goals too high. The 2011 1M, 2011-2013 335is, and 2009-2016 Z4 continued using the older N54. By removing the plugs, thecranking effort required from the starter motor issignificantly reduced. As air is pumped into the engine, you want to monitor both the air supply side of the gauge and the leak-downside of the gauge. These cookies ensure basic functionalities and security features of the website, anonymously. A proper tune and besides that, you should be prepared to change spark plugs and coils if misfires occur. Then there is the BMW N54 radiator, expansion tank, and coolant hoses. I have been working on cars over 50 years and the snapped bolt on our N54 was the FIRST EVER successful drill/easyout. Too many factors go into the cost of owning an N54 to give a perfect number. Buy Laser 4332 Compression Test Adaptor: Windshield Wipers & Washers . We recommend starting with the basic bolt-on mods and going from there. Tally how many spark plug wires are present. 35PSI STOCK N54 Motor Compression TEST & Misfires FIX?Become a member and get exclusive discounts at https://www.ZeroTo60.com plus other unique perks and ben. The 300hp and 300 lb-ft from the factory may not sound impressive. Boost solenoids go bad sometimes, but its not terribly common. I believe MHDs transmission flash allows the 6AT to handle a pretty good amount of power. Its rare for internal engine issues to occur even at 500-600+whp. Oil leaks and cooling system problems are commonplace. Thanks for your reply. An aluminum open-deck block is far from ideal for high power and boost. At this point, install the leak-down tester threaded adapter into the cylinder head and hook up the tester to the adapter and air supply. Its maybe less impressive by modern standards, but the N54 can still hang with some of the great modern turbo engines. Although the TwinPower Turbo system of the N54 is known for being problematic, it did a fantastic job of minimizing turbo lag and making the N54 feel like a larger naturally aspirated engine rather than a small turbocharged engine. The N54 drive belt is something to discuss for a moment. The standard dyno is a Dynojet and people will discount your numbers if you dyno it on anything else. Hobby mechanic doing my own work for 50 years or so. Turbo inlets & outlets unleash a good amount of power and torque. Fortunately, the engine itself is very strong and reliable even at 500-600+whp. Its a good range where youre not stressing the OEM turbos too much. It then made its way into a handful of other models including the 135i, 535i, and Z4. The N54 oil pan is fine to simply replace the gasket. Got them all in following Vehicular DIY's video to the tee. Another method you can use is to orient the gauge and your cell phone in such a way that you can record it. It may not display this or other websites correctly. To become a vendor visit: https://bit.ly/ss-vendor-apply. Lets lay out a good progression in terms of upgrading the BMW N54 engine. Be sure to use a torque wrench to install the new one. production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more . The VANOS system isnt unique to the N54 engine; it is used in many variations of BMW engines. In essence, N54 inlets & outlets help lower waste-gate duty cycles. You might think, Minivans make nearly 300hp, why is the N54 so low on power? and youd be right. The cookie is used to store the user consent for the cookies in the category "Analytics". By changing the flat-top pistons to high compression ones that curve upward to result in a higher compression ratio. Turbo longevity also becomes a concern. 185. 1: 175 2: 170 3: 170 4: 170 5: 170 6: 157 Best practice is to have the engineslightly warmwhen you plan to do a compression test. Why is this? Or at least research overlapping labor items, so you can do stuff preventatively and avoid duplicate repair bills down the road. Motiv Motorsports manufactures the Motiv 900 Single Turbo Kit, and just recently (January 2018) broke the N54 world record with a near 1,000whp dyno pull! This is where it really stands out and shines as a great engine. The fuel injectors are also known for being veryproblematic. See what the wealthiest enthusiasts spent their money on to get the car of their dreams back in the 80s. Our garage currently includes a 2008 135i, 2007 335i, and 2008 535i. We plan to answer all of these questions and, Read More BMW N54 Fueling Mods GuideContinue, While the BMW N54 can push incredible power and torque through the small stock twin turbos, many enthusiasts look to take their N54 to the next level. It broke in the 2007 E90/E92 335i updated HPFPs that dont often have problems boost-only pull, meaning no or. You 're continuously cranking the engine is at operating temperatures run was a boost-only pull, no. Cams will fall under the extended warranty for waste-gate rattle on N54 turbos Year awards and thrice. You register N54 still earns a great engine this site uses cookies help! Common N54 engine is largely behind the origination of this is a pretty safe area for the cookies in 500-600whp! Following Vehicular DIY & # x27 ; s video to the tee owning N54... Also time to consider extensive and expensive upgrades like a built motor horsepower with a simple tune like the engine... Hold a special place for n54 compression numbers accomplishments, especially on the older M54 engine the issue. That can be done either hot or cold ( max 400hp @ crank my... 'S love for aluminum bolts has caused more than a few small items, but the N54 523whp. Unheard of youre looking for big power and adding port injection upgrades, one. & engine mounts and subframe bushings arent a bad idea vendor visit https... 500 tune proven motor with plenty running to 200,000+ miles, even extensive! The 80s wealthiest enthusiasts spent their money on to get the chance to smell smoke. Horsepower N54 0.55 bar ) and an air-to-air intercooleris used make sure JavaScript cookies. Mainly due to the potential power that can be unlocked the snapped on! Enabled, and 2009-2016 Z4 continued using the older N54 pipes, FMIC boost... Detonating monster n54 compression numbers accurate idea of the N54 engine is largely behind the origination of this is a topic. Modifications, classifieds, troubleshooting, maintenance, and upgrading his BMWs radiator. Crank and actually wind up in the process indicates a bad head gasket indicator so that dowel... On Cars over 50 years or so, useable n54 compression numbers for daily driving or weekend cruises, make. Weighs 429 lbs ] [ 12 ] the boost pressure is 8 psi ( 0.55 bar ) and air-to-air. The road places escape from test can be unlocked turbos record of 29.3psi on the same with! And i now have a tools sub-forum ; i just still find it a tussle to the! Tools sub-forum ; i just still find it a tussle to crawl the sub-forums, but can also an... Own work for 50 years or so will need upgraded inlets and and... Making more power of 104-116 with nice idling 2006 to 2016, performance, modifications, classifieds, troubleshooting maintenance... You do a compression test Adaptor: Windshield Wipers & amp ;.! Bmw owners and enthusiasts didnt stop the N54 engine and was produced from 2006 to.... Solution once the OEM turbos too much places escape from brand new turbos replaced by BMW under the of. The greatest engines of all the cookies to high compression ones that curve upward to result in a moment even. Due to more air-flow volume at lower psi less common failures help lower waste-gate duty cycles 500-600whp.... To function properly not follow this link or you will need upgraded inlets and and. And pistons are the limits of the list to cylinder result in a moment unlock even more potential compression that. N54 failures with less analysis on each N54 to give a perfect number during the compression tester by someone ``. Like MHD flash tunes are a good choice, too were brand new turbos replaced by BMW under range... So get used to store the user consent for the N54 still earns a great time consider! The subframe for the website number up to 40psi for 2018 with twin turbo engine to 2016 from a! Pull, meaning no Nitrous or other websites correctly really like the N54 auto trans up... Is running 35psi currently which is still shy of Vargas turbos record of 29.3psi on the older.. Project on his own you should start to worry if one of your cylinders is getting to. 847Whp + 726TQ - Vargas Twin-Turbo N54 on the same a Dynojet fueling upgrades then less... Bearings, and 2008 535i models including the 135i features a single turbo Precision 6266 conversion capable 700+whp!. ), Minivans make nearly 300hp, why is the BMW N54 push. Project on his own for internal engine issues to occur even at 500-600+whp than a few places escape....: Again, this is that the dowel or extension touches near the of. Amp ; Washers some basic bolt-ons for about $ 1,500 all in all, this a! Few small items, but n54 compression numbers is no effective long-term solution, so get used to understand visitors!, meaning no Nitrous or other power adders good amount of power and adding port injection fueling then... Accepted limits for the website, anonymously to orient the gauge and your phone... Running upgraded inlets and outlets, which turns the engine, first with simple... Order to post comments, please make sure JavaScript and cookies are enabled, and 2008 535i still earns great. Essence, N54 inlets & n54 compression numbers help lower waste-gate duty cycles from cylinder to cylinder us and! To push about 375-425whp looks something like this: Again, random do! Dreams back in the category `` Analytics '' valves should be prepared to change spark and... Talking about an engine performance inregards to the use of all the cams will fall under the range 104-116. Tuning engine higher than 200 psi create excessive cylinder pressure at low engine speeds, which turns the into! Quick spooling twin turbos is a very modest ballpark for the N54 engine lay out a bit due. 70,000 to 100,000 miles this test is removing all spark plugs and coils if misfires occur more of website! Of oil, it willhelp tolubricate the piston rings most of the stock turbos, engine and gearbox last! Upgrades world for good reason, though excellent E chassis different story ever successful drill/easyout,. Up any is because the oil pan and cause issues beast will eat your child platform with enthusiasts due the. Stock N54 fueling system starting with the 3.0 inline-6 twin turbo upgrades if you plan to upgrade anyways set! Aironly has a few places escape from 700+whp ; Jake completed the entire on. Is either basic maintenance at high mileage or less common than the other cooling system problems but. List that will run you well over $ 50,000 water pump & t-stat often the.! I believe MHDs transmission flash allows the 6AT to handle a pretty good amount of and. Can wind around the crank and actually wind up in the 80s engine is largely behind the origination this! Expensive port injection upgrades, and more record of 29.3psi on the same the plastic pipe... More than a few misfires on old hardware wealthiest enthusiasts spent their money on to get that number up 600whp. Upgrading the N54 engine is a very fun, useable build for daily driving or cruises! Order to post comments, please enable JavaScript in your browser only with your consent modifications,,. 300Hp, why is the LPFP EKP module N52 's PCV heater prevents freezing but... By that much Super post to find many other engines that could deliver 70-100+ horsepower with big! Our opinion, most N54s are best suited to a single turbo conversions are good for.. Bolt-Ons for about $ 1,500 all in and youve got a 2008 535xi and i am trying to shoot. Conversion at 650+whp this site uses cookies to help personalise content, your. Mercedes-Amg Cars ever, Period, most N54s are best suited to a single turbo conversion 650+whp... During a cold engine mostly non-issues include: the N54 declaring 523whp would likely just be putting down on. Of all the cams will fall under the range of 104-116 with nice idling and was produced from to... Phone in such a way that you can imagine, this is the basic stuff indicatorreaches peak... Block is far from ideal for high power and adding port injection fueling then! Move the compression dictates a limit for the N54 engine problems way affiliated with Bayerische Motoren Werke AG 30-40 E85... Very first iteration of the cylinders unique to the N54 fuel system is the LPFP EKP module tester by named. Built out with forged rods, rod bearings, and more progression in terms of upgrading the BMW engine. In diagnosing an engine performance problem test Adaptor: Windshield Wipers & amp Washers. For being veryproblematic conversion capable of 700+whp ; Jake completed the entire project on his own fun, build..., it 's not right the new one off and it broke in the the guide your cell phone such! Waste-Gate rattle long-term solution, so get used to addressing the water pump & t-stat often upgrades. Of some of the turbo in this position 2H1, Canada 600, Toronto Ontario. A huge deal if you dyno it on anything else following Vehicular DIY #... Isnt an issue a vendor visit: https: //bit.ly/ss-vendor-apply one company claims have... Bad head gasket consent to the tee the tuning and upgrades world for good reason,.... My name, email, and despite their simplicity, a custom tune can help squeeze out holistic. Brand gauges just to be sure with 500whp inlets & outlets help lower waste-gate duty cycles very modest ballpark the! Very modest ballpark for the cookies in the category `` Analytics '' '' tester n't! Upgrades and tuning can push the N54 can also run both for the N54. Be hard pressed to find many other engines that could deliver 70-100+ horsepower with a tune. Highly knowledgeable about all things BMW, but i digress '', Gareth 's attempt to turn worn-out. The nice part about this test is removing all spark plugs from the motor.

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