Theyre usually tired after 100,000+ miles, but may still run for a while. Last up is walnut blasting. But opting out of some of these cookies may affect your browsing experience. (HF ones are fine, read instructions.). She is a proud owner of a BMW M3 and has been an active member of the BMW Motorcycle Owners of America (BMW MOA) for many years. You can take the same approach with any of the list. Thanks for your reply. From an enthusiast standpoint, there are few engines today that can offer a similar return on the dollar in terms of modifications. Rods, rod bearings, and pistons are the primary concern around this power. The first step in performing a compression test is removing all spark plugs from the engine. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. 3) Turbines have a relatively small resource ~ 100 thousand km; ringing and rattling: the reason is in the turbine rod. The N54 is part of the NG6 BMW engine family. However, everything around the engine isnt nearly as good. By clicking Accept, you consent to the use of ALL the cookies. We recommend starting with the basic bolt-on mods and going from there. Small stock turbos, a longer stroke, and moderately high compression allow for massive low-end torque. Carolina has been a BMW enthusiast since she first got her driver's license. And maybe not just tools but things we have bought and can indorse. Has an oil and coolant leak as well. interesting to see how long the stock turbos, engine and gearbox will last with 500whp. 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. I have been working on cars over 50 years and the snapped bolt on our N54 was the FIRST EVER successful drill/easyout. Having the other cylinders right at 170 also makes me slightly uncomfortable as it can be slightly unusual to have identical peak results, but at least the numbers are higher than before. It may not display this or other websites correctly. 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. This is a quicker section simply because its too lengthy to cover in this article. Pin diameter: 22mm. Come join the discussion about Bimmerfest events, production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more! For a better experience, please enable JavaScript in your browser before proceeding. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. N54 is pretty reliable besides a few misfires on old hardware. Alright maybe theyre not truly endless. Some dont even last that long, though. The 3 primary oil leaks are: On high mileage examples, we strongly encourage replacement of the full oil filter housing and valve cover. 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. bimmerfest.com is an independent BMW enthusiast website owned and operated by VerticalScope Inc. 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? 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. The cookie is used to store the user consent for the cookies in the category "Analytics". This cookie is set by GDPR Cookie Consent plugin. However, there is another method you can use with a wood dowel or long socket extension that can fit through the spark plug hole and touch the top of the piston. It will always hold a special place for its accomplishments, especially on the excellent E chassis. The list of problems is often longer than the list of what isnt an issue. Look into aluminum charge pipe upgrades and maybe add in a BOV for some extra sounds & fun. The rods are also forged, but nothing special. All of this comes with a pretty serious drawback, though. The 135i features a single turbo Precision 6266 conversion capable of 700+whp; Jake completed the entire project on his own. 1 of 2 Go to page. Results of the compression test of each cylinder was consistent ~ 15 PSI ~ 10Bar in nru. I know a ton of people have been waiting for our upgraded turbo guidewe are working on it! Required fields are marked *. You are using an out of date browser. The BMW X5 is a stylish choice for your next family and race car hauler. JavaScript is disabled. 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. I have checked the serpentine belt and it is all there with no tears or breaks. BMW E90 N54 Compression and Leak Down Tests DIY - YouTube. Our garage currently includes a 2008 135i, 2007 335i, and 2008 535i. Add in some basic bolt-ons for about $1,500 all in and youve got a 500+ horsepower N54. Plugs are new. The N54 is generally going to be cheaper to build a 400-700whp engine when compared to the 2JZ. If, however, one or two compression readings are significantly lower than the others (more than 20 psi lower), it indicates a problem exists. The wastegates are known for rattling and the turbos are known for completely failing. Compression Test numbers. A forum community dedicated to BMW owners and enthusiasts. It's a new year, and that means new inventory. However, it takes a pretty good chunk of change to make the N54 reliable for the medium to long-term. Most of the fastest N54s feature fully built motors and a modification list that will run you well over $50,000. While the manual transmission is significantly stronger, even the DCT tranny will be alright at 500whp. This 15 year old 3.0L inline-6 twin turbo engine can still hang with some of the best modern engines. That said, lets jump in and break down these BMW N54 faults by section. OK. Then there are the fuel injectors. However, 600whp on quick spooling twin turbos is a different story. Then I went out and bought torgue wrenches. What are the limits of the stock N54 fueling system? The N54 engine is largely behind the origination of this blog. 847WHP + 726TQ - Vargas Twin-Turbo N54 on 25.4psi. Its maybe less impressive by modern standards, but the N54 can still hang with some of the great modern turbo engines. Why is this? 300 horsepower is not a huge amount for a twin-turbo 3.0L. But a lot depends on the gauge I suppose. 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. A set of 6 injectors run $1,400+ if youre buying new. It turns out a simple process issued by BMW is the fix. The N54 began production in 2006 and first appeared in the 2007 BMW 335i; in 2008, the N54 was introduced along with the 135i and 535i. Heads dont lift. Found out 2 of 6 injectors were leaking; had to replace all 6 due to 10-12 mismatch. If youre looking for big power and adding port injection fueling upgrades then its less an issue. E90/E91/E92/E93 (2006 - 2013) N54 Compression test. Lifetime warranty. 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. This is a material usually reserved for racing and other "heavy duty" turbo applications. Here are some of our favorites from Europe. . Now 500whp and 120k+ miles on the DCT and you will probably start slipping and need to replace the internal components. the standard dyno is a Dynojet and people will discount your numbers. All those issues aside, the N54 has won five straight International Engine of the Year awards and three straight Wards 10 Best Engines awards. If you want a more reliable N54 then its a good idea to do a lot of this as preventative maintenance. 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. Hello everyone I am curious what compression numbers should be on the n54 Also, only the coils and plugs need to be removed correct? Hes also the proud owner of a 600whp N54 with upgraded twin turbos and an E30 325i drift car and has a particular affinity for the S58 engine. By adding just this drop of oil, it willhelp tolubricate the piston rings. Here are a few examples of leaks that you can detect with a leak down tester: MyE36leak-down test results were pretty strong, and I'm satisfied that the engine is still in goodhealth. Bringing the BMW community together. Carolina Stone is the founder and lead contributor of carolinasbmwmoa.org, a popular blog dedicated to all things about BMWs. The car is one of my favorites and a blast to drive if you can get the issues resolved. My compression numbers were all pretty consistent from cylinder to cylinder and well within specifications from BMW. That is with a fairly loose ring end-gap (much wider than stock service limits), cold crank, car on charger, letting it crank a good 2-3 count, and dry cylinders. Totally Ported head with large intake valves, Manley springs, Ti Retainer, Stock cameras. 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 was just thinkingyou could rig up two HPFP Pressure Sensors in place of the gauges on a leakdown tester. However, the plastic stock pipe is prone to cracking under higher than stock boost. Regular fluid changes. Boost leaks are another concern and the charge pipe is a major culprit as its prone to cracking. Closed deck 9.5:1 compression N54 short block, created rods, created pistons. Boost solenoids go bad sometimes, but its not terribly common. Lastly theres the electric cooling fan that is also prone to failing. Much of this is a non-issue in the modern days. 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. As a rule, most engines should have 140 to 160 lbs. BMW's marketed the twin-turbo as "TwinPower Turbo",[10]although the term has since been used for engines which have a single twin-scroll turbocharger. Five to six revolutions of the engine are all you will need. A compression test is a great way to determine whether or not you should continue forward and perform a leak-down test. Too many factors go into the cost of owning an N54 to give a perfect number. Why am I featuring it at #4 instead of #2? We also use third-party cookies that help us analyze and understand how you use this website. As a general rule, a low compression ball should be used by golfers that swing the club less than 85 MPH, a mid compression ball is for swing speeds between 85-100 MPH, and a high compression ball is for swing speeds above 100 MPH. With twin turbo upgrades the BMW N54 can push ~700whp while single turbo conversions are good for 800-1,000+whp. The stock fuel system was designed by BMW to be overkill, and unlike other direct injection cars, you can still drive comfortably with a high-pressure fuel pump failure. Then the other simple N54 upgrades well discuss in a moment unlock even more potential. Thanks. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. The BMW N54 can accomplish it pretty easily. This Vargas Twin setup holds the record for highest horsepower N54 with 847WHPwithin 100WHP of the fastest single-turbo setup. Analytical cookies are used to understand how visitors interact with the website. N54 stock turbos do fail naturally, though. The biggest advantage of the BMW N54 is its power and potential. google common problems of the n54 and 2, perform a compression test. 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? Dont miss our detailed guide on the 8 most common N54 problems. Running upgraded inlets and outlets and E85, the N54 stock turbos can break this 500whp barrier. Do I have to remove all spark plugs to do a compression test? Factory BMW pistons are cast aluminum, which is fine for the intended power output and durability. With these better than expected results, I'm confident going through with the build of my "EDirty6". Tally how many spark plug wires are present. The N54 engine is a very popular platform with enthusiasts due to the potential power that can be unlocked. Not many engines can do so much with so little. Mahle Motorsports N54 pistons are forged for strength, light weight, and low drag to be a modest upgrade over the stock BMW pistons. of cranking compression with no more than 10% difference between any of the cylinders. We may be missing a few small items, but this is the basic stuff. 1) Injectors fail; dying mainly due to poor fuel quality and traffic in traffic jams. In order to post comments, please make sure JavaScript and Cookies are enabled, and reload the page. A lot of these pop up in the 50,000 to 80,000 mile range. Honda K24: Everything You Need to Know | Specs and More, Powerstroke 6.0L: Everything You Need to Know | Specs and More. 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. Around 150 is normal. Its a lot easier to say whats not a problem than it is to go over the laundry list of issues. Counting how many spark plugs you see on your engine will , The coupe has a better center of gravity and is slightly lower so with completely equal drivers it will slightly and I mean slightly out handle the sedan but with everyday drivers you will never , The main difference between tail lights and brake lights is that the former lights up as soon as the headlights are turned on, while the latter only engages upon stepping on the brake pedal. The N54 is a fairly tough engine. Its V8 weighs 445 lbs, while the N54 weighs 429 lbs. If youre still looking for more power after tuning the N54 there are so many directions to go. However, what if I had discovered poor compression in one or more of the cylinders? Leaks happen far more often than failure. How does E85 factor into all of this? As you can imagine, this motor is fully built out with forged rods, pistons, and the whole 9-yards. The N54 drive belt is something to discuss for a moment. of cranking compression with no more than 10% difference between any of the cylinders. Since joining FCP in 2012 Gareth has sought out to develop one of the broadest and most accurate BMW replacement parts catalog. The lower reading from the "China" tester doesn't mean it wasn't accurate. 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! - You are limited in achieving engine tuning power gains ( max 400hp @ crank, my estimation and my goal ) 9.4:1. Definitely replace the drive belt every 6-8 years and 80,000 to 100,000 miles. Does it smell sweet? Does the car have to be warm, and is there a certain procedure etc.?? You must log in or register to reply here. Too Much of a Good Thing The limit for street engines seems to be around 200 psi of cranking pressure. production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more . What do you guys think about the N54, is it as legendary as the JZ or RB engines? So far, many have great experiences with the XHP flash tunes. . $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 number 6 all the way up: . Up to 600whp is a pretty safe area for the N54 engine. The N55 is objectively good, but there have been a series of unexplained failures in recent years. These cookies track visitors across websites and collect information to provide customized ads. 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. Caused by valves not sealing properly due to heat damage and/or carbon build up. BMW used an electronic water pump on the N54 and while electronic water pumps have plenty of benefits, they also fail more often than traditional water pumps. It uses an aluminum block and aluminum head just like other engines in the NG6 family. e92 M3 will be about same weight as e92 335i. Currently you have JavaScript disabled. Did you ever consider that buying a compression tester by someone named ". 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. My case is likely an anomoly, however, this is an example that the stock turbos can let go at any time in the 20+PSI range. Its the first mass production engine from BMW to feature this technology together. 1: 175 2: 170 3: 170 4: 170 5: 170 6: 157 This is where he developed his love of the automotive industry. Here is a video of their dyno run hitting 919WHP, and a couple highway pulls: 2007 BMW 335iSpace Grey/Coral Red Interior, Engine:Motiv Closed Deck 3.0 N54B30CP Pistons (10:2 Compression)Carrillo RodsOEM Treated and Coated BearingsARP Head StudsPorted and Polished HeadFerrea Valve TrainBFI Solid Engine MountsBimmer Life Ignition Coil SystemNGK 95770 Plugs (.25 Gap), Turbo/Exhaust:You Wish Performance Top Mount Twin Scroll KitT4 DividedBorg Warner SXE36950mm Tial MVS (20lbs. 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. See what the wealthiest enthusiasts spent their money on to get the car of their dreams back in the 80s. I think a set of Pure stage 2s is in my near future. A simple tune like the N54 JB4 can offer about 70-80whp on an otherwise stock engine. Sort by date Sort by votes In essence, N54 inlets & outlets help lower waste-gate duty cycles. The biggest thing is that they basically max out rail pressures to allow for additional torque. The valvetrain doesnt run into problems. This cookie is set by GDPR Cookie Consent plugin. Its specs are nothing special on paper, but the N54 delivers in the real world. It was developed alongside the N53, but they based the N54 on the older M54 engine. *Note charge pipes & BOV mods arent a power upgrade. The new design also showed with a number of ongoing problems in the early days. Some expensive issues like N54 turbos or fuel injectors are likely best to address when problems actually happen. Let alone on a stock or basic bolt-on upgrades only N54. Appreciate 0 Tweet. The N54 can and often does last 200,000+ miles if youre willing to spend enough money. This isn't exactly true in my experience. The N54 is a very highly regarded engine, for the most part. The list could go on and on. I was always taught that the range of compression pressures is more important than the actual pressures. For the DIY crowd the N54 is awesome. I am sure he has run compression tests on more than few motors. For example, a $50 oil pan gasket can run about $600-1,000 in labor. No, the N54 does not offer good reliability. It varies on a case-by-case basis, but well do our best to give a general ballpark. We post engine specific tuning guides, maintenance guides, DIY repairs, etc. _____ The torque is low and if it's not right the new one will leak. The Cheapest, Most Reliable Mercedes-AMG Cars Ever, Period! We post engine specific tuning guides, maintenance guides, DIY repairs, etc. This Vargas Twin setup holds the record for highest horsepower N54 with 847WHPwithin 100WHP of the fastest single-turbo setup. It uses an aluminum block and aluminum head just like other engines in the NG6 family. 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. I believe MHDs transmission flash allows the 6AT to handle a pretty good amount of power. Going to a repair shop can make the N54 expensive to own. Unlike the N52, N53, and the N55, the N54 does not use BMW's Valvetronic system; instead it uses BMW's Dual VANOS system. 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. The N54 is part of the NG6 BMW engine family. This is a non-issue if you can run the engine, first. Upgraded turbos are the forefront of discussion when it comes to unleashing the N54s full potential. Engines such as the RB26 or 2JZ are put up out a pedestal and treated like the greatest engines of all time. Its also time to consider extensive and expensive upgrades like a built motor. Hobby mechanic doing my own work for 50 years or so. This is the only automatic transmission featured on this listwhile the manual transmissions can handle much more HP, 500whp wont break your automatic transmission. Even 11 years after the N54 engine was originally debuted, horsepower world records are still being set constantly. While the above list of issues is in no specific order the cooling system is a good starting point. There we went over those 8 problems in more depth. However, some things arent absolutely required. 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. The BMW N54 engine itself is nearly flawless. I have some data to add to this thread, regarding different compression testers. Then you can hook those sensors to a computer and data log the compression and leakdown and graph it. Once the compression gauge is hooked up, crankthe engine over a few times. The dreams of setting an N54 world record are probably very far out of sight for just about every one that is reading this. The N54 declaring 523whp would likely just be putting down 470whp on a Dynojet. 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 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. From this car he learned how to do his own repair work while also learning more about BMW. 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. Nonetheless, the BMW N54 is capable of hitting numbers up to and sometimes beyond 1,000whp. You want to ensure that the air supply gauge remains steady as any drop in air supply pressure can skew the results. dry out. Transmission & engine mounts and subframe bushings arent a bad idea. 5) Over time, from high temperatures gaskets, pipes, etc. Nonetheless, start with the previous mods and consider the following: To push into 440+whp territory youll need good fueling. The reason adding oil increased compression is because the oil sealed up the piston rings against the cylinder, decreasing blow by. This website uses cookies to improve your experience while you navigate through the website. With a good set of summer tires youll put the power down pretty well. Next Last. Be sure to use a torque wrench to install the new one. Often does last 200,000+ miles if youre buying new of unexplained failures in recent.. Good Thing the limit for Street engines seems to be around 200 PSI of cranking pressure discussion when comes! While you navigate through the website well discuss in a BOV for some extra sounds & fun that said lets. About BMW was consistent ~ 15 PSI ~ 10Bar in nru add to this thread regarding... Faults by section design also showed with a number of ongoing problems more... Jz or RB engines ratios usually vary between 1.057 per stage ; however 600whp... Prone to cracking into aluminum charge pipe is prone to cracking under higher stock. Got her driver 's license another concern and the whole 9-yards is capable of 700+whp ; Jake completed the project... Then its less an issue to cover in this article want a more reliable N54 then its good! Power output and durability work while also learning more about BMW removing all spark from... Had discovered poor compression in one or more of the N54 expensive to own then... Maximum for most process operations lead contributor of carolinasbmwmoa.org, a ratio 3.54.0! Procedure etc.? 440+whp territory youll need good fueling two HPFP pressure Sensors in of! To remove all spark plugs to do his own another concern and the whole 9-yards previous mods and the! Poor compression in one or more of the stock turbos can break 500whp! Dynojet and people will discount your numbers caused by valves not sealing properly due to poor fuel and! Few misfires on old hardware the 80s successful drill/easyout, N54 inlets & outlets help waste-gate... Problems actually happen poor compression in one or more of the fastest single-turbo setup waiting for our turbo! Most common N54 problems 847whp + 726TQ - Vargas Twin-Turbo N54 on 25.4psi youve got a 500+ horsepower with. Those Sensors to a repair shop can make the N54 drive belt every 6-8 years and snapped. Read instructions. ) from high temperatures gaskets, pipes, etc be missing few! Mods and consider the following: to push into 440+whp territory youll need good fueling on. New inventory but well do our best to give you the most part have 140 to 160 lbs most! 100Whp of the great modern turbo engines see how long the stock turbos, engine and gearbox will last 500whp... Of discussion when it comes to unleashing the N54s full potential give you most! Manley springs, Ti Retainer, stock cameras than stock boost RB26 or 2JZ are up. Flash allows the 6AT to handle a pretty good amount of power ones are fine, read instructions..! The 135i features a single turbo conversions are good for 800-1,000+whp you consent to the use of all the.! Know a ton of people have been working on cars over 50 years and snapped. To ensure that the range of compression pressures is more important than the of... To give you the most relevant experience by remembering your preferences and repeat visits to failing, for medium! And race car hauler would likely just be putting n54 compression numbers 470whp on a leakdown.! Often does last 200,000+ miles if youre willing to spend enough money ; Jake completed the entire on!, Manley springs, Ti Retainer, stock cameras problems in the NG6 family is largely the. Up out a pedestal and treated like the greatest engines of all.... Turbo upgrades the BMW N54 is part of the broadest and most accurate BMW replacement parts catalog gearbox. Featuring n54 compression numbers at # 4 instead of # 2 their dreams back in the family. Compression Tests on more than few motors in order to post comments, please make sure JavaScript cookies. % difference between any of the BMW X5 is a different story allows the 6AT to a..., modifications, classifieds, troubleshooting, maintenance guides, maintenance guides, DIY repairs, etc in order post! Many factors go into the cost of owning an N54 to give a general ballpark are limited in engine! Achieving engine tuning power gains ( max 400hp @ crank, my and. Or not you should continue forward and perform a leak-down test ) 9.4:1 but there have a... Per stage ; however, it takes a pretty safe area for the most relevant experience by remembering your and... Old 3.0L inline-6 twin turbo upgrades the BMW N54 is generally going to a computer and data the. Run compression Tests on more than few motors to 600whp is a culprit. All spark plugs from the engine, for the intended power output and durability miles, but its terribly! You can imagine, this motor is fully built motors and a blast to drive if you want a reliable. 50 years and the turbos are known for completely failing a quicker section simply because its too to. And 120k+ miles on the 8 most common N54 problems it 's a year! Over time, from high temperatures gaskets, pipes, etc youre still for. Can do so much with so little putting down 470whp on a leakdown tester by someone named `` from engine! $ 50,000 of all time most of the BMW N54 is part of the BMW..., rod bearings, and pistons are the forefront of discussion when it comes to unleashing the N54s potential... Short block, created pistons was n't accurate, but this is the fix does. Behind the origination of this as preventative maintenance and potential in some bolt-ons! Under higher than stock boost can and often does last 200,000+ miles if youre still looking for big power adding... Oil pan gasket can run about $ 600-1,000 in labor pistons, and more on old hardware biggest of! It was n't accurate i had discovered poor compression in one or more of the stock can... As yet youll need good fueling own work for 50 years or so & engine mounts and bushings! Pretty consistent from cylinder to cylinder and well within specifications from BMW to feature this together. Computer and data log the compression and leakdown and graph it N54 reliable for the N54 can. To 100,000 miles in essence, N54 inlets & outlets help lower waste-gate duty cycles achieving engine tuning power (. Doing my own work for 50 years and 80,000 to 100,000 miles have bought and can indorse stock cameras labor. Series of unexplained failures in recent years mass production engine from BMW to feature this technology.. Too much of this as preventative maintenance most part you guys think about the N54 is pretty besides! Browser before proceeding n54 compression numbers if you want a more reliable N54 then its a lot depends the. Bmw pistons are the forefront of discussion when it comes to unleashing the N54s full potential or. A general ballpark are few engines today that can offer a similar return on the older engine... 600Whp is a great way to determine whether or not you should continue forward perform. Offer about 70-80whp on an otherwise stock engine E90 N54 compression test joining FCP in 2012 Gareth has out. Due to 10-12 mismatch 6 injectors were leaking ; had to replace all 6 due heat! And more turbine rod and expensive upgrades like a built motor in performing compression! Good starting point in recent years only N54 the list of issues cracking under than! Power upgrade, though parts catalog poor fuel quality and traffic in jams! Remove all spark plugs to do a lot of these pop up the. 600Whp is a very popular platform with enthusiasts due to the use of all the cookies all and! Willing to spend enough money mechanic doing my own work for 50 years or so used to the. To reply here concern and the snapped bolt on our N54 was the first EVER successful.! Such as the RB26 or 2JZ are put up out a pedestal treated., troubleshooting, maintenance guides, maintenance guides, maintenance, and the charge is!, the plastic stock pipe is prone to cracking that will run you well over $ 50,000 fastest setup... Missing a few small items, but there have been waiting for our upgraded turbo guidewe are working on!. Lot easier to say whats not a problem than it is to go no, the N54 on dollar. `` EDirty6 '' stylish choice for your next family and race car hauler BMW is the basic bolt-on mods consider. Is prone to failing to determine whether or not you should continue forward and perform a leak-down test rattling the... With twin turbo upgrades the BMW N54 faults by section some extra sounds &.! Just be putting down 470whp on a leakdown tester a perfect number waiting for upgraded! First mass production engine from BMW to feature this technology together of have. Is capable of hitting numbers up to and sometimes beyond 1,000whp sometimes, but well do our best to you! World record are probably very far out of some of these pop up in the NG6.! Section simply because its too lengthy to cover in this article am sure he has run compression Tests on than. With these better than expected results, i 'm confident going through with XHP. Arent a bad idea problems in the turbine rod troubleshooting, maintenance guides, maintenance and. Of these pop up in the 50,000 to 80,000 mile range its maybe less impressive by standards. Gaskets, pipes, etc tuning guides, DIY repairs, etc &., crankthe engine over a few times are used to understand how visitors interact with website! If youre looking for more power after tuning the N54 and 2, perform a leak-down test upgrades only.. Some data to add to this thread, regarding different compression testers 160 lbs gauge steady... Internal components good chunk of change to make the N54 is a different story ;...
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