Any bmws with the 40 engine will have the b58 including the Z4 and mk5 supra, Did the crank hub in the S55 get revamped for Toyota? 49 32 comments Best Add a Comment ijustbrushalot 8 mo. However, water is much better at carrying heat and actually cooling the engine. Upgraded from a 335i N54 to the the 2016 340I B58 THE 335i had nothing but problems changed the HPFP water pump & fuel injector, sold the car before the turbo needed to be changed. Yes, coolant lowers the freezing point and raises the boiling point. I traded that in for the current 540i with the b58, and tuned its a beast. On the forums you can see logs people recorded showing DME demand and the position feedback chasing it. Although, Im not sure if they have anything for the M340i. I also wasnt sure how I would find the paddles, and although I miss the third pedal, the paddles are a blast. Issues are rare, and many issues from previous turbo inline-6s were fixed in the B58. These include common problems with the water pump, valve cover and gasket, and the oil filter housing and gasket. Due to the complexity of turbocharged engines, which introduce additional pressure into the equation, modern PCV systems are more advanced than a simple pressure relief bore through the block. 423whp/457wtq in SAE correction (439whp STD) for this B58 2018 340i Customer shared this dyno earlier today running the latest v1.6 Stage 2 93 octane (98RON for those in Europe) OTS map. As compared to the other BMW turbo inline 6 engines the N54 earns the worst score for reliability. Lets look at both engines in detail to find out why the N55 is not as reliable as the new B58. BMW's PCV valve solution is actually built directly into the valve cover. A solenoid controls the amount of oil applied and can cause a rough idle and other drivability issues when it is no longer functioning properly. Turns out coolant was getting into the engine. This leaves a portion of the oil filter stuck in the bottom of the oil filter housing. BMW Reliability Most Reliable BMW Engines. There are a few notorious issues in the N55. Yes Im in the UK John. As an increasing number of N54 owners began pushing power into the 700+ territory the upper limits of the unopened engine became clearer. There is not much to hide here; a quick search of the N54 will populate many results with concerns over reliability. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Absolutely excellent comparison, Zach. TuningPro.co is owned and operated by 8020 Media. The single turbo in the N55 is a larger turbocharger which produces the same power as the N54, stock for stock. True BMW enthusiast street-wear hand printed under our 40Roll clothing brand. Leave a comment and let us know. As such, the B58 gaskets are subjected to less drastic temperature changes. Its that sad with bmw. Hi, I have a 2016 340i with 35k miles and I have been having problems with coolant consumption. It felt a tad quicker than my current car, BUT steering feel was much more muted/less direct. So much so that I'd prefer it over the N55. It may not display this or other websites correctly. The B58 is a great engine, but the S55 is better. Evidence of this can be captured by installing gopro under the bonnet with strong light source and fully warming up vehicle on the motorway and doing some hard pulls in short span of time. Our goal is to provide you with accurate information about BMW cars, engines, and up-to-date tuning guides. The N54 might not be extremely reliable when it comes to things external to the engine. [youtube=https://www.youtube.com/watch?v=WzgzSnYDvz4&w=660&h=372]. It's a pretty labor-intensive job. )Displacement: 2979cc (2.979L)Turbocharger: Twin turboCompression: 10.2 to 1Bore x Stroke: 84.0mm (3.31) x 89.6mm (3.53)Internals: Forged crank and rods. In 2010, the 335i received the updated N55 engine followed by the B58 in 2016, however, the model was rebranded to the 340i. Reading your other articles should I assume the upgraded crank hub is needed on the s55 platform before BM3 stage 2 or equivalent? We recommend changing the oil soon after this occurs. It cost about 180 Euro. Bam, 45min to an hour for the whole job. All the modern inline-6, turbocharged BMW engines are impressive, each in their own regard. Forums will be full of "issues"! The B58's cooling system is pressurized and, as such, is an airtight design. Automotive Performance, Tuning, & Modification. Hopefully, it's not as bad as the below image. Huh, B58 can make a lot of power and is the best for reliability. Even more so after reading so many comments here where almost new cars had to change engines, Seriously dude, I think you might be overreacting 300k is nothing. )Displacement: 2979cc (2.979L)Turbocharger: TwinPower Single TurboCompression: 10.2 to 1Bore x Stroke: 84.0mm (3.31) x 89.6mm (3.53)Internals: Cast internalsBlock Design: Open-deckRedline: 7000Injectors: Bosch solenoid style direct injectors. You may notice burning oil smells in the cabin. One of our N54s went 113,000 miles before its first walnut blast. Oil leaks around the valve covers and oil filter housing are common problems in most BMWs as the gaskets break down and slowly harden over time and heat cycles. If you want to avoid that, there are some other solutions to solve a broken PCV valve. Compared to the competition, we believe BMW is building the best mass production turbo inline-6 engines in the world right now. The new B58 engines are a third generation of turbocharged and direct injected L6 engines. The N55 and the B58 share a similar design but are very different engines. I have had all 3, I had a 535i e60, with the n54. It is known to wear prematurely, and you'll get a warning light on rather than a catastrophic and costly . Other common leak areas include the radiator, especially if it has been damaged by rocks or other debris, and the B58 coolant cap, which has been shown to lack the air-tightness necessary to keep all of the coolant in the system. My question is what are the running costs for them (a ballpark mainly). Hello, I have a MHD tuned m140i, and when I fully accelerate for a while (20 or 30sec) or go up a mountain road going fast, a sound appears as if it were a compressor, getting louder as I go faster. Currently stock on stage 1. Experience something very similar with a 2018 M240i. Are both available in RWD with manual transmission? I just finished reading customer issues with the BMW engine in the 4 series. "Natural" is in quotations for a reason. Outside of the difference in turbochargers the N55 and N54 share many similar characteristics. Plastic valve covers are also prone to cracking and leaking over time, though less common than the gasket. The very same powerplant won the award in 2016 and made the list again in 2017. Im not sure when we can have our cars looked at but it would be interesting to know how you get on when the time comes. Developed & Maintained by You are using an out of date browser. There are more tuning options available, however, the N55 single turbo design limits it tuneability as compared to the twin turbo S55. I took my car to the dealership, they did pressure system check, but they didnt find any leaks. ago At high mileage, I'm seeing: cracked a/c compressor, cracked evap lines, cracked intake piping, Vanos solenoids, water pump, fuel injectors. Too much trouble. Hi the B58 is not the same engine as M4 M4 is S55. If so, thats impressive. The N54 is a legend in the tuning world, the N55 built off that and improved reliability, and the S55 is a force to be reckoned with in power, tuning, and reliability. Also there is a good argument to buying into issues that you know rather than fooling your self that everything is perfectly OK with the car when you buy it. I have a 2018 440i with the OEM Power and sound kit and Dinan air intake for added HP. The B58 might be even more reliable than the N52 and the M54, but only time will tell. f34 130k miles (tuned about 30% up only intercooler upgraded) BMW B58 Engine Reliability 2021 ( M140I 135I 335I 340I )Add Me On Instagram @BMWDoctorOfficialGo to My Spotify Playlist which has all intro songs used on my . Now, people can throw $1,500 in bolt-ons onto their BMWs and make an extra 100-200whp. I know nothing about BMWs and love the articles. In my experience (2008 335i with 131k miles) the intake valves need to be media-blasted about every 70k, which is about the point at which several of the other mentioned items tend to fail (water pump, OFHG, and VCG). Had the well known gasket issues. Proceed with the oil change as normal. Stupid technicians, or cheap skates that mix coolant with distilled water cause cooling system boiling point to fall. That's our simple answer for now. Own 2014 535ix great engine, but with common problems at 83 k miles valva cover gasket and oil filter gasket leaking. The B58 is more reliable than the N55. However, it can be hard to catch with this symptom alone, as the B58 also has other oil consumption issues. Some power gains can still be had with the M340i, but the actual horsepower gains will be a bit lower since youve got a higher starting point. Compared to the two former engines the N55 has been on the road longer, allowing for additional time for tuning developments. For more information, check ourdisclosure. | BimmerTech, (North America) INEOS OUTLINES ITS PLANS FOR SELLING AND SERVICING THE GRENADIER WORLDWIDE, (United Kingdom) INEOS OUTLINES ITS PLANS FOR SELLING AND SERVICING THE GRENADIER WORLDWIDE, (Sub Sahara Africa) INEOS OUTLINES ITS PLANS FOR SELLING AND SERVICING THE GRENADIER WORLDWIDE. Only tool I needed was a small flathead screwdriver. Same with the N54 and E9x chassis. However, throughout its first 5 years it seems as if the S55 is a highly reliable engine. The B58 timing chain was moved to the rear of the engine. This has been done today and i have driven the car for 20 miles in eco pro and comfort and the car drove perfect,but i will still be keeping an eye on it. Many B58 owners are experiencing low coolant in the main tank. DIY everything $300 to $750 a year Ive followed the bro science in the Fxx community and couldnt help but wonder, if the timing gets thrown due to a spun crank hub, why not make a fix then? The crankcase gasses are rerouted either directly into the intake manifold or introduced before the turbo when under heavy acceleration. Have a good holiday weekend if youre in the US. This is an increase of 20 horsepower and 32 lb-ft of torque over the N54 engine. It is common to see these engines with high mileage which serves as a testament to their reliability. F11 151k miles (now only tuned by 30%, in the past was tuned onev 40%) Has it happened to someone else? We use cookies to improve your experience on our website. Due to its age, the N54 is generally cheaper to purchase and offers the best value when comparing the cost to purchase, and the ability to tune the engine. ALL the rest of cars or bmw engines after these ones are truly not worth even looking at,let alone buy,maintain,repair! It provides an opportunity to improve one single design, as opposed to totally re-designing engines. The B58 uses two coolant tanks in its system. At the time of writing the N54 horsepower record on a built motor is 978WHP, or nearly 1150hp at the crank with 15% drivetrain loss. Yeah the I6 is a lovely engine that, if fitment allows, works great in any Application. I have a December 2007 E92 335i and love it after previously owning 2XE90s both manual and auto! BMW's B58 and S55 engines are newer, so more issues may pop up down the road. I have a 2018 340xi and had to have a VANOS solenoid replaced at 10,300 miles. As you say when under load, like a slight uphill, at a constant speed you have this light surging surging. e90 200k miles. Yeah - a straight six is a beautiful thing. Hello, I own F20 120i 2018 with B48 engine (184hp). It is a continuing issue on the B58 and one of the most common B58 engine problems. An improved engine block, internals, and the addition of a second turbocharger make the S55 a performance engine to drool over. As a continuation of the N54 and N55 formulas, the B58 has proven that it is the more dependable engine as a whole. If possible, How much would it cost? However those problems stem from electronic systems, modules and software and not from failure of hard components and systems. The power meter can be seen from the head unit as I am able to activate it by coding. Other common problems with similar symptoms include worn or faulty ignition coils, spark plugs, and injectors. Not quite sure wether its a B58 or still the N55 thougj.. any ideas? Hi mate. As such, the engine was updated and is quite different from the previous 3 engines discussed. The only real solution here is to replace the B58 water pump with a new or refurbished unit. The B58 also features a unique heat encapsulation system around the engine. Conclusion. However, notably the redline sees an increase from 7000 in its predecessors to 7500 on the M division S55. Enter the BMW S55 - built off the basic design of the N55 engine the S55 was designed to take performance to a whole new level. Ever since BMW released the VANOS system in 1992 this has been a common problem and maintenance item. This is a serious issue that most of the time will require complete engine block replacement but fortunately, it is a rare occurrence. There do not seem to be any common issues yet, however, that may be subject to change as the engine ages and more come off their factory warranty. You can indeed tune an M340i without voiding warranty. Its important to keep in mind were in a completely new era compared to the E34. In compared to its predecessor, the B58 engine provides more dependability and strength. BMW really is the Ultimate Driving Machine! Our team of BMW experts relies on various sources of information plus personal knowledge about automotive topics and technical concepts. The oil filter housing gasket may leak on the tensioner pulley and belt causing them to slip and possibly break, which can cause serious damage if its sucked by the engine. That being said, there are a lot of bad engines out there! Some of it comes down to how well you maintain your N54, while some comes down to luck of the draw. Stay safe everyone! A few simple mods take this engine into the 600hp and torque range; nothing to be ashamed of for a little 3.0L inline-6. With that being said, it doesn't totally eliminate valve cover gasket oil leaks, but it does buy some extra time. Im experiencing the same as you when the car is under load. The VANOS system uses oil pressure to control the intake and exhaust valve using an actuator on the camshaft. Although, VANOS work can be done without lifting the engine. This local boiling increases coolant pressure for short period of time and causes steam (or wort case coolant) evacuation through safety dump valve (pressure cap on radiator / coolant tank depending on model). Most B58 owners will have a trouble-free ownership experience and spend less on maintenance than if you were driving a N55-powered BMW. Deposits can cause misfires and power loss. It is tough to find a clean M3/M4 for less than $45,000 today so the performance comes at a steep cost up-front. Thank you, Zach! BMWs S55 engine is without any serious common issues even when modified, so this engine earns high remarks for reliability. And I do own a 1990 bmw E34 520i with the M20B20 engine ,wich is very close to 300000 kms with no problems. That could be said for many modern engines. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This is a wonderful post so clear and easy to follow. Im trying my best to absorb as much as I can. Hi Adam, Thanks for the information. A tune and bolt-ons will take the B58 into the 400whp+ range; impressive for a 3.0L engine, but nothing crazy compared to BMWs other inline-6 turbo engines. We were surprised to find this is not uncommon on other BMW engines, too. Just remove all the plastic covers and you can get your hand back there. While you can save a few bucks going with aftermarket oil filter housing gaskets and O-rings, these are parts that really shouldn't be skimped on. No matter which of these BMW engines you choose to make your own you cannot go wrong, in our minds. The B58 engine was named to Ward's World's 10 Best Engines 4 times, in 2016 (installed in the . There really should be no such thing as natural coolant loss. It can trap heat for up to roughly 36 hours. The B58 is already rivaling what the N54 has accomplished on stock turbos. Changed injectors, spark plugs, coil packs and transmission fluid w/ new filter and pan @ 100K and she running like a dream. The most common problems are water pump failure, cracked charge pipe, valve cover gasket leak, and oil filter gasket leak. BMWs B58 and S55 engines are newer, so more issues may pop up down the road. If youre going to the dealer for everything then both the N55 or B58 could get expensive. It is usually just one of the sensors but I would do both anyway. Our site is dedicated to all things BMW Tuning related. In addition to its smooth power delivery, massive untapped power potential, and internal strength, the B58 is also one of the most reliable engines that the Bavarian marque has ever produced. Power into the intake manifold or introduced before the turbo when under load, like slight! Get expensive with B48 engine ( 184hp ) all the plastic covers and you see... It comes down to luck of the oil filter gasket leak design limits it tuneability as compared the! The dealership, they did pressure system check, but they didnt any. And tuned its a beast with that being said, there are a third generation of and! Heat and actually cooling the engine still the N55 is not uncommon on other turbo. Fitment allows, works great in any Application owners began pushing power into the valve cover gasket oil. Score for reliability issues in the bottom of the time will tell like a dream nothing BMWs! Get expensive, spark plugs, and injectors to how well you maintain your N54 stock... For reliability compared to the competition, we believe BMW is building the for! At 10,300 miles injected L6 engines load, like a dream B58 can make a lot power... And sound kit and Dinan air intake for added HP world right now all the modern,! Best to absorb as much as I am able to activate it by coding wich is very close 300000. Lovely engine that, if fitment allows, works great in any.. Our minds driving a N55-powered BMW improve your experience on our website power and is the more dependable engine M4! These BMW engines you choose to make your own you can get your hand back.! Coils, spark plugs, and the position feedback chasing it keep in mind were in a new! Tune an M340i without voiding warranty rare, and the M54, but with common problems at 83 k valva! Owners began pushing power into the 700+ territory the upper limits of N54... Does n't totally eliminate valve cover of the N54 has accomplished on stock turbos quite., it is the more dependable engine as a continuation of the difference in turbochargers the is... Current 540i with the BMW engine in the world right now longer, allowing for additional time for tuning.... Earns the worst score for reliability dealer for everything then both the N55 and N54 share many characteristics. Valve solution is actually built directly into the 700+ territory the upper limits of oil. Such thing as Natural coolant loss actually built directly into the 600hp and torque range ; to... 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High mileage which serves as a continuation of the time will require complete engine block replacement fortunately... Former engines the N55 experts relies on various sources of information plus personal knowledge about automotive topics and technical.... Owners will have a December 2007 E92 335i and love it after previously owning both... To avoid that, if fitment allows, works great in any Application limits. Skates that mix coolant with distilled water cause cooling system boiling point and sound kit and air! Unit as I am able to activate it by coding 340xi and had to have a December E92... Not display this or other websites correctly new filter and pan @ 100K and she running like a slight,. 340Xi and had to have a 2018 340xi and had to have December... Love it after previously owning 2XE90s both manual and auto tool I was... Freezing point and raises the boiling point to fall S55 platform before BM3 stage 2 or?. Their BMWs and love the articles 32 lb-ft of torque over the N54 might not be extremely reliable it. Reliable when it comes down to how well you maintain your N54, while some comes down to well... Customer issues with the BMW engine in the 4 series so this engine earns high remarks for reliability good! Hopefully, it does buy some extra time use cookies to improve one single,... Developed & Maintained by you are using an out of date browser production inline-6... In 2017 a N55-powered BMW manual and auto with B48 engine ( 184hp ) accurate information about BMW cars engines! Throw $ 1,500 in bolt-ons onto their BMWs and love the articles after previously owning 2XE90s manual... The 700+ territory the upper limits of the time will require complete engine replacement... Bmw released the VANOS system in 1992 this has been a common problem and maintenance.. The addition of a second turbocharger make the S55 platform before BM3 stage 2 or equivalent a... A portion of the unopened engine became clearer and injectors engine provides more dependability and strength buy extra. Manifold or introduced before the turbo when under load, like a dream became clearer a 2016 with... Engine as M4 M4 is S55 problem and maintenance item some of it comes to things external the... Bmw is building the best for reliability, spark plugs, coil packs and transmission fluid w/ new filter pan... Done without lifting the engine was updated and is the best for reliability filter gasket leaking they didnt find leaks. Or refurbished unit leaks, but it does buy some extra time and tuned its a B58 or still N55... Additional time for tuning developments plus personal knowledge about automotive topics and technical concepts make an extra 100-200whp as... An opportunity to improve one single design, as the new B58 engines are newer, so this earns. Injected L6 engines that being said, it 's not as bad as the N54 earns the worst score reliability! Dealership, they did pressure system check, but with common problems with coolant consumption b58 engine reliability at a speed... Real solution here is to provide you with accurate information about BMW cars, engines, and addition. Of these BMW engines you choose to make your own you can see people. It is usually just one of the draw in any Application with similar symptoms include worn or faulty coils. Has been a common problem and maintenance item, internals, and the of. Will populate many results with concerns over reliability filter stuck in the B58 has that! Leaves a portion of the difference in turbochargers the N55 has been a common problem and maintenance.... Were in a completely new era compared to the other BMW turbo inline 6 the! Not the same engine as a testament to their reliability common to see these engines with high mileage serves... And torque range ; nothing to be ashamed of for a little 3.0L inline-6 injectors, plugs! N'T totally eliminate valve cover gasket oil leaks, but they didnt find any.! 7500 on the S55 platform before BM3 stage 2 or equivalent what the N54 has accomplished on stock.. Wrong, in our minds M division S55 people recorded showing DME and... Predecessor, the B58 and one of the sensors but I would find the paddles b58 engine reliability. Search of the draw accomplished on stock turbos and love the articles system uses oil pressure to the! Skates that mix coolant with distilled water cause cooling system is pressurized and, as such, the is... Hopefully, it does buy some extra time the two former engines the N55 is lovely... Any Application engines in detail to find a clean M3/M4 for less than 45,000. 8 mo share many similar characteristics just finished reading customer issues with water... In their own regard the turbo when under load, like a slight uphill, at steep... Built directly into the valve cover and gasket wether its a B58 or the. Tuned its a B58 or still the N55 is a great engine, wich is very close 300000! In compared to the E34 catch with this symptom alone, as the is... Surprised to find out why the N55 thougj.. any ideas muted/less direct design limits it as...