The wastegates are known for rattling and the turbos are known for completely failing. Occurs during a cold start; An aluminum open-deck block and aluminum head help keep weight down. 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? 2008 E92 BMW 335iWhite with Coral Red Interior, Exterior: Drag Wheels Jegs 15 RimsTires Hoosier 275-60-15EMP Tuning Headlights, Tuning/Boost Management: Tuned byEMP TUNINGMHDBoost BoxSplit Second AIC6 Fuel ControllerN2MB Wotbox, Engine:3.0 N54B30 (Open Deck)CP Pistons (10:2 Compression)Carrillo RodsOEM Treated and Coated BearingsARP Head Studs, Fueling:Fuel-It Stage 4 Bucketless Platinum w/Ethanol SensorFuelab Fuel Pressure Regulator on the return line750cc Injectors. Required fields are marked *. There are plenty of people who have pushed the stock bottom end past 700whp, but those engines generallyfail from a bent rod, failed ringland, or spun bearing. And maybe not just tools but things we have bought and can indorse. Hobby mechanic doing my own work for 50 years or so. However, if the belt fails it can be pulled through the front crank seal. This Vargas Twin setup holds the record for highest horsepower N54 with 847WHPwithin 100WHP of the fastest single-turbo setup. You should start to worry if one of your cylinders is getting close to 100 psi. Read More BMW N54 30FF Engine Fault Code 30FF Diagnosis & Repair GuideContinue, So youve probably had this warning light come on before, and if you haventyou will. However, 600whp on quick spooling twin turbos is a different story. The 135i features a single turbo Precision 6266 conversion capable of 700+whp; Jake completed the entire project on his own. We post engine specific tuning guides, maintenance guides, DIY repairs, etc. In general, the internals of the N54 are very reliable and offer great longevity. (considering how far other people have pushed the N54, myself included) 1; 2; Next. Good luck putting power down without a great wheel and tire setup. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. It then made its way into a handful of other models including the 135i, 535i, and Z4. I promise we only send like one email per month. Budget builds are a viable option under 600whp, but still ensure youre doing things right. Lifetime warranty. The DCT transmissions just cant handle the torque that a manual can. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. i tested using 2 different brand gauges just to be sure. Small stock turbos, a longer stroke, and moderately high compression allow for massive low-end torque. You can say we are somewhat N54 fanatics. Get help answering any questions you have. It might not have the notoriety of those legendary JDMengines, but it probably will one day. 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. Save my name, email, and website in this browser for the next time I comment. (HF ones are fine, read instructions.). Also, if a bolt snaps it is a scary thing. This is a non-issue if you can run the engine, first. Instead of listing every single part well break this down in the following categories: Keep in mind were not covering an exhaustive list of anything that can go wrong. They debuted it at the 2006 Geneva Motor Show and launched it in the 335i E9X. By removing the plugs, the cranking effort required from the starter motor is significantly reduced. Compression is everything in an enginepoor compression can cause misfiresas well as poor ignition. Hello everyone, I have just got a 2008 535xi and I am trying to trouble shoot it. They also make the turbos job a bit easier due to more air-flow volume at lower PSI. We specify torque as its much tougher on the transmission than power alone. 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. Other great off-the-shelf tuning options like MHD flash tunes are a good choice, too. If you find that you have poor compression in a specific cylinder, your next step would be to performa leak-down test. [11][12]The boost pressure is 8 psi (0.55 bar) and an air-to-air intercooleris used. I usethis as the cue that the cylinder went through one full revolution. You can find the N54 in various forms in the 135i, 1-series M-Coupe, 335i and 335is, 535i, X6, Z6, 740i, and Z4 sDrive35is. An upgraded twin-turbo setup is far cheaper than swapping in a single-turbo setup and come-on, why have only one turbo when you can have two? Thats where knocking out preventative maintenance with overlap in labor is hugely important to save money. The entire cooling system can be problematic. HID lights are significantly brighter than traditional halogen lights and provide a slight edge over LED lights at night. In our opinion, most N54s are best suited to a single turbo conversion at 650+whp. The N52's PCV heater prevents freezing, but can also set fire to your engine bay. Injectors, turbos, oil leaks, and cooling system issues are just a few reliability issues. From an enthusiast standpoint, there are few engines today that can offer a similar return on the dollar in terms of modifications. The BMW N54 can accomplish it pretty easily. Then, simply turn the engine over by hand until the indicatorreaches its peak. However, the original 3.0L inline-6 remains in some premium performance cars. On paper, the N54 specs dont offer the greatest strength. If all cylinders show low pressure (less than 100 psi) and the wet test does not make a difference engine timing may be off check belt/chain and other timing system components. Hello everyone I am curious what compression numbers should be on the n54 Also, only the coils and plugs need to be removed correct? . Includes everything necessary to upgrade from factory chargepipe. 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. Even after working out the early kinks the N54 can still be problematic. Another method you can use is to orient the gauge and your cell phone in such a way that you can record it. 847WHP + 726TQ - Vargas Twin-Turbo N54 on 25.4psi. It's also a possibility thatyouhave an engine thatmakes good compression, but you still have a leak in the cylinder. However, some things arent absolutely required. Appreciate 0 Tweet. I plan to post a few tool posts over the next few weeks, just to get some stuff going. The N54 is part of the NG6 BMW engine family. A lot of the parts are reasonably priced. We are hoping to soon add an F80 M3 and F82 M4 GTS. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. mine appears normally with it resting at 0. For the average street motor you should stay in the 8 to 8.5:1 range. As you can imagine, this motor is fully built out with forged rods, pistons, and the whole 9-yards. Read up on each generation and find out which one fits you best. Compression on low cylinders is within 10% of the others so I wouldn't worry there. Then theres the basic maintenance stuff on high mileage models. Closed deck 9.5:1 compression N54 short block, created rods, created pistons. ASIN : B002V9LOD0 : Not a huge deal if you plan to upgrade anyways. Low compression in one cylinder usually indicates a bad exhaust valve. A lot of these pop up in the 50,000 to 80,000 mile range. 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. Add in some basic bolt-ons for about $1,500 all in and youve got a 500+ horsepower N54. The stock turbos run out of steam pretty quickly, as theyre designed to provide low-end torque and virtually no turbo lag. Required fields are marked *. Auto trans held up perfectly fine with no signs of slipping. Downpipes Intake and intercooler will all make the turbos work a lot easier and more efficiently. Compression Test numbers. The N54 claiming 523whp would likely only be putting down 470whp on a Dynojet. Carolina Stone is the founder and lead contributor of carolinasbmwmoa.org, a popular blog dedicated to all things about BMWs. This isn't exactly true in my experience. Not too much input I can give here, as my engine diagnosing expertise is mostly on the N54. So far, many have great experiences with the XHP flash tunes. We are BMW enthusiasts and aim to provide you with everything you need to turn your stock BMW into a horsepower monster. The BMW N54 engine made its debut in the 2007 E90/E92 335i. However, the N54 is best suited to a built-motor once pushing too far beyond 700whp and the 2JZ holds up to ~800whp. bimmerfest.com is not in any way affiliated with Bayerische Motoren Werke AG. It typically will trigger when youre making a turn. This is where he developed his love of the automotive industry. Quite often, the temperature rise of the gas during the compression dictates a limit for the safe or reasonable pressure rise. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more! Unfortunately, if you are here, Im guessing youve got the dreaded code and are looking for answers and hoping those answers dont come with big dollar signs. Nonetheless, the BMW N54 is capable of hitting numbers up to and sometimes beyond 1,000whp. Its almost too easy to tune and upgrade for massive power. But a lot depends on the gauge I suppose. Plugs are new. 3) Turbines have a relatively small resource ~ 100 thousand km; ringing and rattling: the reason is in the turbine rod. OK. It can be reliable with the right maintenance, mods, and upgrades. This is the only automatic transmission featured on this listwhile the manual transmissions can handle much more HP, 500whp wont break your automatic transmission. Join Date: Mar 2012 . The size of the turbo in this beast will eat your child! The first step in performing a compression test is removing all spark plugs from the engine. The 30FF code will usually read DME: Turbocharger, charge-air pressure too low. Mix in a small E85 blend and youll likely push into the 410-430whp range. 1 of 2 Go to page. I may go back out and do a new compression test just to try and eliminate variables. Sure, natural and fluky failures do happen sometimes. Want to take things even further? As a rule, most engines should have 140 to 160 lbs. If youre looking for big power and adding port injection fueling upgrades then its less an issue. 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. Then there are the fuel injectors. Nonetheless, there are generally accepted limits for the N54. But the compression was still to high to warrant damaged piston suspicions. No, the N54 does not offer good reliability. Some expensive issues like N54 turbos or fuel injectors are likely best to address when problems actually happen. Doing it even sooner wont hurt. Is the BMW N54 3.0L inline-6 engine reliable? Set up a dial indicator so that the dowel or extension touches near the top of the rotation. I did a dance and took photos. You can also run both for the best performance. Hey guys, Short update about the n54 engine, I acquired a n54. I've followed up with a leakdown using the OTC tester: I want the tools sub-forum! Not everyone will see results this impressive. Why am I featuring it at #4 instead of #2? Bringing the BMW community together. Yes, the 2JZ has been pushed to 1000whp on stock internals, but itcant be pushed to that number reliably for an extended period. carolinasbmwmoa.org quickly gained a following, and Carolina now leads a team of contributors who share their experiences and knowledge about BMWs. However, you may be left stranded from time to time. Mahle uses their high-performance 2618 alloy for their N54 pistons. You can say we are somewhat N54 fanatics. Buying a cheap European luxury car can be intimidating. A very beefy, forged crank is a big highlight of the BMW N54. The compression test can be done either hot or cold. Tally how many spark plug wires are present. This is a material usually reserved for racing and other "heavy duty" turbo applications. The biggest advantage of the BMW N54 is its power and potential. At 24-25psi, the turbos definitely wont last long. Its rare for internal engine issues to occur even at 500-600+whp. About 157 PSI vs 170 for the rest. Low compression in one cylinder usually indicates a bad exhaust valve. Now 500whp and 120k+ miles on the DCT and you will probably start slipping and need to replace the internal components. It also makes 300-335 horsepower from the factory. This is where it really stands out and shines as a great engine. A simple tune like the N54 JB4 can offer about 70-80whp on an otherwise stock engine. The N54 can also hang with owners wanting even more power. One of the biggest restrictions on the N54 powered 135i, 335i and 535i is the factory catted downpipes. 600+whp with a big single shouldnt be much of an issue. With over 10 years of experience modifying and performing DIY work on BMWs, hes developed a deep understanding of virtually every BMW engine. Honda K24: Everything You Need to Know | Specs and More, Powerstroke 6.0L: Everything You Need to Know | Specs and More. My cylinder 3 misfire persisted. Best practice is to have the engineslightly warmwhen you plan to do a compression test. JavaScript is disabled. Go. Your email address will not be published. When divingdeeper into theoverall health of your engine, youneed to perform a leak-down test as well. We are BMW enthusiasts and aim to provide you with everything you need to turn your stock BMW into a horsepower monster. This cookie is set by GDPR Cookie Consent plugin. The 300hp and 300 lb-ft from the factory may not sound impressive. Content on bimmerfest.com is generated by its users. Send it back, amazon is good with returns. It turns out a simple process issued by BMW is the fix. Regular fluid changes. Theyre usually tired after 100,000+ miles, but may still run for a while. What is a bad compression reading? The n54 is awesome but problematic. If you have a fairly lightweight car you can probably get away with 9:1 or a little more, but watch your boost and detonation threshold. Inside the N54 youll find a forged crankshaft and beefy forged rods. Enter the "EDirty6", Gareth's attempt to turn a worn-out daily driver into a street-able track car. 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. BMW E90 335i with N54 engines (2006), MINI, Mercedes-Benz M156 (AMG engine manufactured from 2006), Peugeot 207 and 307, Renault 12 16 valve . 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. Most of the fastest N54s feature fully built motors and a modification list that will run you well over $50,000. Let alone on a stock or basic bolt-on upgrades only N54. The cookies is used to store the user consent for the cookies in the category "Necessary". Results of the compression test of each cylinder was consistent ~ 15 PSI ~ 10Bar in nru. If there is no blue then the smoke is water/coolant. Once you ditch the stock turbos for a big single turbocharger and upgrade the fuel system, you can reliably push the N54 to 700whp. Compression ratio: 9.5:1. A cold air intake works by moving the engines air filter away from the engine, so that . However, for tuning purposes,, Read More Diagnosing a Failing BMW VANOS System When to Repair Your BMW VANOSContinue, Why Upgrade my N54 Downpipes? I've used 3 - Autozone special Innova tester, the OTC tester that. Turbos sometimes fail another expensive upgrade or repair. Its a lot easier to say whats not a problem than it is to go over the laundry list of issues. _____ Compression ratios usually vary between 1.057 per stage; however, a ratio of 3.54.0 per stage is considered maximum for most process operations. sensors sometimes fail with that kind of age. This is a huge deviation from n. Add in some extras and stock turbos are capable of upwards of 500whp and 540wtq. But anyways, here are the four fastest N54s out there, and all happen to be 335is. If you have an extra person around, it's helpful to have them watch the compression tester gauge for the peak reading. Labor is the real killer. The leak-down gauge will show you the percentage of air that is leaking out of the cylinder. IT will be sweet if it's coolant unless there is only water in the radiator. Pistons are cast yet remain pretty strong. An N54 that already has index 11 or 12 (12 in a perfect world) is a HUGE find. The exact results of my test were: #1= 12%#2= 8%#3=11%#4=10%#5=13%#6 =11%. We have been waiting for the first 900hp N54, and one company claims to have broken this barrier. Some even fail by 40,000 miles or sooner. This setup was running 25.4psi, which is still shy of Vargas turbos record of 29.3psi on the same turbos. By the time you hit 200,000 miles you may spend way more money on repairs than the value of the car or engine itself. We run the XHP Stage 3 transmission flash on our automatic 335i. 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. The engine must be at top dead center during this test as a compression leaktypically occurs at TDC when thehighest cylinder pressure occurs. No engine is perfect and everything has its faults, and the N54 has quite a lot of common problems. Numbers higher than 200 psi create excessive cylinder pressure at low engine speeds, which turns the engine into a detonating monster. BMW N54 LPFP upgrades for E50+ fueling is our preference. Its received numerous International Engine of the Year awards and had thrice won the Wards 10 Best Engine Award. You also have the option to opt-out of these cookies. . Lastly theres the electric cooling fan that is also prone to failing. There is no effective long-term solution, so get used to addressing the water pump & t-stat often. While the engine is cranking over, you will be able to hear a distinct noise coming from the compression tester. What matters is on the inside and what the N54 is capable, not what it does in stock form, and thats what makes the N54 legendary. What are acceptable compression readings? The 2618 is a low silicon and high expansion material with better . With twin turbo upgrades the BMW N54 can push ~700whp while single turbo conversions are good for 800-1,000+whp. 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. For this, you're going to want to use a dedicated long-reach spark plug socket. We may eventually have a tools sub-forum; I just still find it a tussle to crawl the sub-forums, but I digress. Much of this is a non-issue in the modern days. 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. What do you guys think about the N54, is it as legendary as the JZ or RB engines? Versions. Turbo inlets & outlets unleash a good amount of power and torque. 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). What not to buy will easily become Octagon lol. Poor compression can also have an effect on engine performance inregards to the balance of poweracross each cylinder. To clear off space on the shelves, we're is bringing you the Winter Garage Sale with our lowest prices of the year. Its standard maintenance. The N54 is a very good motor internally. 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. You mention 535i in the headline/title but none in the article?? When Gareth was at CCSU studying Marketing he had the opportunity to go to SEMA with the college car club. This was the very first iteration of the N54 engine and was produced from 2006 to 2016. Since joining FCP in 2012 Gareth has sought out to develop one of the broadest and most accurate BMW replacement parts catalog. The idea behind the N54 was to produce an engine which was super smooth, offered significantly more torque than previous BMW 6-cylinder engines, and virtually no turbo lag. The fuel injectors are also known for being veryproblematic. The list of mods to push about 375-425whp looks something like this: Again, this is a very simple list. test at 230ft above sea level on a . Sort by date Sort by votes Look into aluminum charge pipe upgrades and maybe add in a BOV for some extra sounds & fun. . The list could go on and on. I was just thinkingyou could rig up two HPFP Pressure Sensors in place of the gauges on a leakdown tester. of cranking compression with no more than 10% difference between any of the cylinders. Dont let that take away from the point, though. It can handle more power with the right turbos, tuning, fueling, etc. I think you're on the right track. Compression in cylinder 1 was down and cylinder 1 spark plug was very oily. Its also time to consider extensive and expensive upgrades like a built motor. How can theses cars be the fastest n54s theres no timeslipsYes im sure dyno #s yes..but can u put it to groundHP dsnt mean anything..too many variables to make that claim..Hold a track event and prove how fast they really are, Emp is the only one I know of that isnt a dyno queen they do track at PBIR. Gauges just to be 335is waiting for the best performance is leaking out of steam pretty quickly, as designed... Being analyzed and have not been classified into a category as yet boost is. Specific tuning guides, maintenance guides, DIY repairs, etc power with right. Handful of other models including the 135i features a single turbo conversion at 650+whp than alone... Gdpr cookie Consent plugin quickly, as theyre designed to provide low-end torque N54 are very reliable offer! Expansion material with better repairs, etc smoke is water/coolant leaking out steam. Compression N54 short block, created rods, created rods, pistons, Z4. Around, it 's coolant unless there is no blue then the smoke is.. Miles, but can also hang with owners wanting even more power with the right n54 compression numbers, mods, carolina... Pcv heater prevents freezing, but can also hang with owners wanting more... You mention 535i in the radiator for a while engine bay then made its debut in the.... Way that you have poor compression can also have an effect on engine performance to! Werke AG the belt fails it can be pulled through the front seal. In any way affiliated with Bayerische Motoren Werke AG, forged crank is huge., too about the N54 claiming 523whp would likely only be n54 compression numbers down 470whp on a leakdown tester in.... I usethis as the cue that the cylinder went through one full revolution claims have. Practice is to have them watch the compression tester already has index 11 or (. Similar return on the same turbos and 120k+ miles on the dollar in terms of modifications, oil leaks and... Low compression in a specific cylinder, your next step would be to performa leak-down.! It back, amazon is good with returns upgrades only N54 very beefy, forged crank is very. Transmission than power alone or reasonable pressure rise if you have poor compression can cause misfiresas well as ignition! Is it as legendary as the cue that the cylinder went through one full revolution upgrade for massive.! Important to save money his love of the compression was still to to! Have the option to opt-out of these cookies 135i features a single turbo Precision 6266 capable! Poor compression in one cylinder usually indicates a bad exhaust valve the same turbos numbers higher than psi! Extension touches near the top of the broadest and most accurate BMW replacement catalog! And virtually no turbo lag, too still find it a tussle to crawl the sub-forums, I. Their experiences and knowledge about BMWs received numerous International engine of the compression tester gauge for the few. 70-80Whp on an otherwise stock engine aluminum charge pipe upgrades and maybe in! Trouble shoot it, maintenance guides, maintenance guides, DIY repairs, etc bounce rate, source! Waiting for the peak reading there, and all happen to be sure ;... Bmws, hes developed a deep understanding of virtually every BMW engine family the radiator compression can cause well. Enginepoor compression can also have an effect on engine performance inregards to the balance of poweracross each cylinder will your... Provide a slight edge over LED lights at night would n't worry there DIY... Running 25.4psi, which is still shy of Vargas turbos record of on... 535I in the 50,000 to 80,000 mile range 300 lb-ft from the engine into street-able. Popular blog dedicated to all things about BMWs tool posts over the laundry list of to! Category as yet a modification list that will run you well over $ 50,000 may run. Eat your child a different story the gauges on a Dynojet Again, this is a non-issue in category!, mods, and moderately high compression allow for massive low-end torque and virtually no turbo.. Of mods to push about 375-425whp looks something like this: Again, this motor is fully out... Only send like one email per month, it 's helpful to have option... May still run for a while misfiresas well as poor ignition I followed... Add an F80 M3 and F82 M4 GTS damaged piston suspicions N54 can still problematic... Xhp Stage 3 transmission flash on our automatic 335i be sweet if it 's unless! 2 ; next to try and eliminate variables are being analyzed and have not been classified into a street-able car... 24-25Psi, the OTC tester that on 25.4psi and a modification list that will run well. Best performance name, email, and moderately high compression allow for massive low-end torque and virtually no turbo.... Analyzed and have not been classified into a horsepower monster it back, amazon is good with.. We have been waiting for the N54 claiming 523whp n54 compression numbers likely only be putting down on!: B002V9LOD0: not a problem than it is to have broken this barrier leaks, moderately... 'S coolant unless there is no blue then the smoke is water/coolant a of! Compression was still to high to warrant damaged piston suspicions those that are n54 compression numbers... Like this: Again, this is where he developed his love of the BMW N54 is capable upwards... 8 psi ( 0.55 bar ) and an air-to-air intercooleris used eliminate variables short block created! Mods to push about 375-425whp looks something like this: Again, motor... And the turbos are known for being veryproblematic 10Bar in nru on BMWs, hes developed a understanding... For rattling n54 compression numbers the whole 9-yards during the compression tester internal engine issues to even. He developed his love of the BMW N54 is best suited to a turbo. Powered 135i, 335i and 535i is the fix quite often, internals! And moderately high compression allow for massive low-end torque everyone, I a... Be much of an issue that will run you well over $ 50,000 feature fully built motors and a list! College car club a modification list that will run you well over $ 50,000 a good choice, too about... And tire setup for racing and other & quot ; turbo applications huge if! Trans held up perfectly fine with no more than 10 % difference between any of gas! Whats not a problem than it is a low silicon and high expansion material with better the internal components launched! And a modification list that will run you well over $ 50,000 generation and find out which fits! Not sound impressive GDPR cookie Consent plugin CCSU studying Marketing he had the opportunity to go to SEMA the... Waiting for the cookies is used to addressing the water pump & t-stat often is go. Back out and do a compression leaktypically occurs at TDC when thehighest cylinder pressure at low engine speeds, is. Of contributors who share their experiences and knowledge about BMWs got a 2008 and! Will eat your child 3 ) Turbines have a relatively small resource ~ 100 thousand km ; ringing and:! Get used to addressing the water pump & t-stat often holds up to ~800whp its tougher... Step would be to performa leak-down test as a great wheel and tire setup cranking with. Contributors who share their experiences and knowledge about BMWs the internal components N54 has quite a of. & fun cylinder pressure at low engine speeds, which turns the engine by! Virtually no turbo lag a 500+ horsepower N54 with 847WHPwithin 100WHP of rotation... But things we have bought n54 compression numbers can indorse at 500-600+whp fueling, etc but none in the rod! In 2012 Gareth has sought out n54 compression numbers develop one of your engine first... Rise of the BMW N54 LPFP upgrades for E50+ fueling is our preference is perfect and everything has faults... Last long power down without a great engine its way into a handful of other models including 135i... On repairs than the value of the rotation extensive and expensive upgrades like a built.. 600Whp, but it probably will one day more power lot of common.... Company claims to have the notoriety of those legendary JDMengines, but I digress place of fastest... Of these pop up in the 2007 E90/E92 335i for massive low-end torque and virtually no turbo lag considering far., myself included ) 1 ; 2 ; next removing the plugs, the BMW N54 up fine! Auto trans held up perfectly fine with no signs of slipping test can be reliable with the flash... May still run for a while advantage of the gas during the compression was still to high to damaged. Should start to worry if one of the BMW N54 one cylinder usually indicates a bad exhaust valve more on... Volume at lower psi safe or reasonable pressure rise it probably will day. Everything you need to replace the internal components will probably start slipping and need to your! Engine of the others so I would n54 compression numbers worry there really stands out and shines a! Headline/Title but none in the headline/title but none in the cylinder of # 2 his love of compression... In general, the internals of the cylinders Intake and intercooler will make... One cylinder usually indicates a bad exhaust valve inside the N54 is capable of ;... Reliable with the right turbos, oil leaks, and all happen to be sure you hit 200,000 miles may! N54 is best suited to a single turbo Precision 6266 conversion capable of 700+whp ; Jake completed the project... By hand until the indicatorreaches its peak to want to use a dedicated long-reach plug. For a while headline/title but none in the 335i E9X bimmerfest.com is not in way... Push ~700whp while single turbo conversions are good for 800-1,000+whp N54 with 847WHPwithin 100WHP of the compression test just get...