It is also known as a straight-six naturally aspirated engine. Weve inspected few more pipes and fact that it was running pure water just corroded plastic & rubber hoses inside (those turned bright yellow from black) after cutting pipe with knife the discolouration was 1-2 mm deep. The BMW N55 followed the N54 with its initial release in the 335i beginning in 2010. Deposits can cause misfires and power loss. 2015 335i 4 series coupe has been a great auto. Although, Im not sure if they have anything for the M340i. Relatively speaking, yes. The cap leaking does seem to be a part of the cause. I suspect the oil filter housing and valve cover issues may rise as the engine ages. There are more tuning options available, however, the N55 single turbo design limits it tuneability as compared to the twin turbo S55. The only real solution here is to replace the B58 water pump with a new or refurbished unit. Compared to the two former engines the N55 has been on the road longer, allowing for additional time for tuning developments. perhaps look for a used Audi 4 wheel drive convertible. Im guessing something might be coming up in future Im not sure if any other b58 owners have this or if its common TwinPower Turbo which is a twin scroll single turbo. It makes hellcat owners cry all day, every day. My history with bmw is: Save my name, email, and website in this browser for the next time I comment. In reality, it was worse than the factory part. Quite a few reports claim that even BMW-certified repair centers have difficulty diagnosing some B58 coolant loss symptoms. JavaScript is disabled. The car I bought is off a 3 year lease and appears to be in pristine condition, so Im hoping this engine is super reliable going forward. As mentioned, they are located at the back of the engine making access a bit difficult. However, water is much better at carrying heat and actually cooling the engine. The B58 is definitely an awesome engine and were impressed with how quickly things are moving forward with the platform. Fortunately, this does not seem to be the case apart from the random, flukey issues. There are plenty examples of newer BMWs holding up pretty well past 200,000 miles. Tuned car = more power = more temperature in combustion chamber = more temperature on cylinder walls touching the coolant = more possibility of localised boiling. I never owned an N54, but my friends 2007 335i was nice to drive, but had issues. Not only do they produce significant power, but the engines also do so without much turbo lag and long power bands. Enjoy the car and Merry Christmas to you as well! The B58 might be even more reliable than the N52 and the M54, but only time will tell. The closed deck block is huge, but the N54 never really had issues with the open deck design. When the 3's current G20 generation debuted for 2019, it initially only came with the 252-hp turbocharged 2. . Most B58 owners will have a trouble-free ownership experience and spend less on maintenance than if you were driving a N55-powered BMW. The B58 has had minor oil leaks, and some report coolant loss, but the internals of this engine have held up over time while providing ample performance. After replacing it he enjoys the car again and issue is rectified. BMW UKS reply was change valvetronics and re-programme. B48's are more reliable than the v8's BMW makes which eat themselves to death after 80k miles. Only truly good engines bmw made were M20B20 series(2.0, 2.5 , 2.7) and the big sixes M30B35 along with all its smaller or bigger versions. Hi Hank, Ive currently been having issues with my M140i. Independent repair shops often have much better pricing, but repairs will still be expensive if and when theyre needed. They can hold, but not everyone maintains them well, tunes safely, has proper supporting mods, etc. Like the S55 engine, the B58 is a new engine with few models outside of their standard guarantee however is showing early indications of being an extremely . Car ran perfectly well prior to walnut blasting despite the valves having quite a bit of build-up. There have been a few cases of issues with the crank hub, however it was blown out of proportion due to a company coming up with a product that was claimed to solve the issue. ?Any accuracy in this? Toyota is well known for its masterpiece in the old Supras the legendary 2jz. It cleaned up ignition timing a little bit, too. The B58 is also more fuel efficient than the N54, with an EPA rating of 26 mpg combined compared to the N54's 23 mpg combined. Im very familiar with pressure testing (I have a fully equipped shop), but at this point, I think it would be pure luck for me or anyone to find any leak. Original BMW coolant (the one in 1.5 litre bottles) has boiling point of 180 C and when pressurised in normal coolant loop, boiling point raises to 190 ~ 200 C however if you mix it with water 50-50% you can expect those numbers to be 140C for unpressurised, 150-1160 C pressurised. Did this fix the problem? **Ranks are as compared between the four turbo, inline 6 engines**. You shouldn't notice any B58 drive-ability issues with a leaking valve cover and/or gasket. Repair shop for all work $1000 to $2,000 a year, Informative article, however Im surprised that carbon buildup on the intake valves wasnt mentioned, at least in the context of the N54. Anyone here want to offer an opinion? Maybe FORD forums are for you? If you can pull out the broken filter, inspect and clean any debris. Just a question of how the other internals fare. We also think the B58 should hold up a bit better as it ages. Hi guys, Ive got a 2017 M140i and have the pulsing at constant load, usually around 1000rpm and trying to hold speed. BMWs B58 and S55 engines are newer, so more issues may pop up down the road. It has honestly amazingly smooth power delivery and sounds better. After any major B58 cooling system repairs, it is vital to pressure test the system to ensure that the repairs were done correctly. The pipe that goes over the radiator was so brittle that not only was leaking, but when I had wrench & beer evening with my old friend it was just cracking in our hands like crisps (or chips if youre from US). Yes, B58 is reliable. We are BMW enthusiasts and aim to provide you with everything you need to turn your stock BMW into a horsepower monster. Stock power comes in significantly underrated at 424hp, while independent testing shows similar numbers to the wheels. 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). BMW techs dont seem to know how to resolve this. Nonetheless, you must pay to play and the N54 is no exception. BMW B58 Reliability. Looks like they successfully create turbo engines that will match the stature of M54 and N52. Our goal is to provide you with accurate information about BMW cars, engines, and up-to-date tuning guides. The car seems to have lost some pep. We may receive a commission for purchases made through these links. I traded that in for the current 540i with the b58, and tuned its a beast. Had n55 in a 2011 335cvt, w manual. It is usually just one of the sensors but I would do both anyway. Im sorry to drop the news on you, but your car is not a true twin turbo design. Im (sort of) confident they will eventually find the source of the problem but until they do its very frustrating. A fair few people with the same model and engine are experiencing this in Australia. 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. I'll take my chances with a hugely mass-produced engine thats been detuned. The ones that did exist were small and it was a much much smaller market prior to the turbo era. They are holding up at stock power level and beyond stock power, and were starting to see early B58 units reaching 200,000 miles and more with no issues. The ZF 6SP auto gearbox is also perfect to get the power to the rear wheels! My m140i has now been back to the dealers 3 times in the last 9 days.They have done a software update and said it would cure the problem of power surging at low rpm,or when the car is underload. Just go hard more. Im trying my best to absorb as much as I can. That could be said for many modern engines. Trust me she still has a lot of life yet to go. The new injectors found on the N55 are not nearly as problematic as the piezo injectors. In normal condition like drawing to grocery and not even touching accelerator, you will never see this happening, but when doing hard acceleration because you want to get out of dodge, negotiate out of slip road and you need to rapidly gain 40mph, just having fun Smoke from the valve cover area is common if the leak is bad enough. After the success of I6 naturally aspirated engines: M54 and N52, BMW switched to turbo engines. Stay safe everyone! Typically, boosted engines are better suited for lower compression, as a longer stroke subjects the internals to boosted pressures for longer periods. Leave a comment and let us know. What are your thoughts and experience with the B58? Nonetheless, carbon build-up is standard on almost any directed injected engine. "Natural" is in quotations for a reason. Thanks for the great read. If you get a downpipe and aftermarket tune youll definitely want to remove the cold start function. I dont want to be that guy. With a built motor, the S55 has been pushed to 1150WHP, and surely we will see more impressive numbers as the engine sees further tuning and aftermarket development. Crank and block should be plenty strong to handle 800+whp. We havent had any issues with coolant loss on the N54 (apart from when theyve developed actual leaks). The N54 might not be extremely reliable when it comes to things external to the engine. There is a general rule of thumb that third of energy goes into wheels, third into exhaust and last third into cooling and only true professionals do anything about it. If you DIY repairs these cars mainly have problems with external engine components. B58 is reliable, bulletproof and can handle hella boost on stock block. Flush out and refill coolant every 5 years. Its a pretty simple 20-45 minute install and uninstall. So to me, your statement about 300k kilometres (188k miles) E34, which is 30 years old car sounds like a barely used car. That's our simple answer for now. Last replaced plugs and coils at 190K. A 2017 340i M Sport uses the B58 engine, which is a single turbo. Good luck with finding the issue with yours. In the case of a leaking B58 water pump, you'll have to replace the water pump assembly (this is an urgent issue if you notice your B58 overheating). 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. Wich is a totally different animal Good for 1400 hp or even 2000 hp ,on the dyno at the wheels! A handful of early production B58's experience issues with the crankshaft guide bearing. It cost roughly 3-4K US to have a new design installed to prevent a possibility it may spin. Hi, I have a 2016 340i with 35k miles and I have been having problems with coolant consumption. 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. B58 reliability concerns No engine is perfect, and some samples of the B58 suffer from minor issues. The new B58 engine uses a water-to-air intercooler integrated into the intake plenum, thus reducing the charged air volume between the compressor and the intake. The search goes on but in honesty I do enjoy searching for my next vehicle and I do like a car with character ( minor issues) lol. Hi Adam, Thanks for the information. BMW B58 vs. S58: Performance, Tuning, Reliability & Sound, BMW M340i vs F80 M3 Comparison: Acceleration, Performance & Handling, BMW F30 340i vs. G20 M340i: Performance, Handling, Drivetrain & Interior, BMW F30 LED Sequential Turn Signal for Side Mirrors, is a participant in the Amazon Services LLC Associates Program. However, from past engines, we know VANOS solenoids are a common failure/maintenance item. . In the years to come, the B58 will be an excellent performance value, but it is too far from it right now. I drive a 2017 M240i and had the Dinan Stage 1 installed right after purchasing it. Own 2014 535ix great engine, but with common problems at 83 k miles valva cover gasket and oil filter gasket leaking. Solenoids are relatively inexpensive and easy to replace. We do believe it is better than some suggest, however, if you take the car to the shop for every minor issue and do not DIY an repair jobs the bills can certainly add up quickly. I dont know what is the spec on the cap and what is the cap spring ageing characteristics it wont hurt, but changing emergency valve opening point MAY cause something else in the pressurised system fail to release the excess pressure SO: brand new cap YES, adjusting staff on the cap NO (unless you are professional and actually redesigned and rebuild whole cooling system to handle higher pressures) best way is just to limit limit potential for pressure raise, by increasing boiling point of coolant. To find out more, read our Privacy Policy. Also right after purchase of my 435i I went straight into replacing oil and filter (during same beer & wrench event) and oil filter was also brittle as hell and snapped in half while taking it out so draw your own conclusions from that. They are both great dependable engines, but the newer B58 has a reliability advantage over its predecessor. BMW's B58 and S55 engines are newer, so more issues may pop up down the road. However, our N54 535i (maintained much better than my 335i) has experienced countless issues. Our team of BMW experts relies on various sources of information plus personal knowledge about automotive topics and technical concepts. The M340i is a beautiful car and the B58TU is a great engine. In fact driving a BMW is probably some of the best fun you can have with your clothes on! DIY everything $300 to $750 a year Other than that car runs like a beast, throttle response and driving is smooth love the pops from the m kit exhaust at 5k rpm they literally sound like gunshots, nothing to worry about, the wastegate is open during cold start, and you have a more free flowing system because of MPPSK exhaust which has no resonator in the midpipe and bypasses the muffler with valves open (valves open during cold start and in sport modes), thats why the car vibrates. The B58 is part of BMW's new modular engine family, each engine using a displacement of 500 cc (30.5 cu in) per cylinder, following the B38 and B48 engine.. Outside of that, meth definitely has some great performance benefits. We are BMW enthusiasts and aim to provide you with everything you need to turn your stock BMW into a horsepower monster. Don't sweat it if you're only topping up small amounts on occasion. Bimmerly is a hub for BMW enthusiasts. Notably, the engine stepped down from the true twin turbo design, found in the N54, to a twin power single turbo. BMW Reliability Most Reliable BMW Engines. Reading your other articles should I assume the upgraded crank hub is needed on the s55 platform before BM3 stage 2 or equivalent? So far the valves have been cleaned, DME & transmission software has been updated and most recently the 8 speed auto transmission was completely replaced by BMW Sydney but the problem persists. Bmw engines and cars have turned to money pits ,unreliable things that should/must be avoided. When you lookup BMW coolant, you will see that there is same mixing advice for 1.6 non charged 80bhp mini cooper for Canada region and M3 for UAE region. Though some will shame the cost cutting by developing engines with the same specs I think it is a wonderful idea. However, the relatively simple single turbo design of the N55 kept things reliable as long as stock power wasnt exceeded by magnitudes. When your BMW B58's PCV valve fails, or is nearing failure, one of the most common symptoms is smoke coming from your exhaust. Never put excessive loads on the engine when its still cold. It's always the minority of people with issues that shout the loudest. If youre going to the dealer for everything then both the N55 or B58 could get expensive. The single turbo in the N55 is a larger turbocharger which produces the same power as the N54, stock for stock. It also comes down to each specific engine. It does not have signs of issues with any of its internal components. A failing injector may trigger a check engine light and depending on the severity the car might not be drivable. The BMW S55 is an impressive engine from top to bottom and will continue to shine in the tuning world. When the N54 first popped up in 07 there were hardly any performance/tuning companies out there. So much so that I'd prefer it over the N55. Yeah - a straight six is a beautiful thing. BMW's B58 engine also provides a great balance of fuel economy and reliability. Count the 2020 M340i as the tenth official long-term test subject of the 3-series kind. Although the block and internals are stronger than the N54 and N55, the increase in compression is odd. Hi the B58 is not the same engine as M4 M4 is S55. Bm3 offers some great tunes, and I think youll be happy with the move over to bootmod. 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. Some just keep looking at the past with rose tinted glasses. Ill try to describe what I suspect as a secondary issue. 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. Specialty tools assist in making the VANOS solenoid replacement straightforward. B58s threads and videos are popping up everywhere of blown pistons on the B58 at 650+/- Hp My point is if the B58 is limited to same horsepower as a N55 then I benefit from a better handling car , Honorable mention for Built N55s from the M2s. Second, last night I purchased a 2017 340 with 30k. Perform oil changes every 5,000 to 8,000 miles. This can indicate that the water pump is in need of replacement and is a possible source of a coolant leak. A cracked charge pipe is very common on the N55, especially when its tuned and running high boost pressures. Not an ideal strategy, but at this point Im not ready to let dealership mechanics to tear this car apart. Of course, this may vary a lot from shop to shop. While gearbox (even manual ones) were a constant issue in the past now I cant remember anybody that did not mod the car to have a single issue with one. Once youve done it a few times it becomes very quick and easy. Stock Power: 300 HPWorld Record HP: 978 WHP (~1150hp at the crank assuming 15% drivetrain loss)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. Ive switched off the traction control and done about 100 miles(20mph/30mph/50mph/up hills and the car hasnt surged once. Many early N55 engines have suffered from unexpected rod bearing failure. However, a couple quick notes that are imperative to keep in mind: Only reason I was asking if you can swap the B58 into a 335i coupe is because I was reading about the reliability and performance reviews on the B58, and it seems like an engine made by the BMW Gods. A question of how the other internals fare goal is to provide you with everything you to... Larger turbocharger which produces the same power as the piezo injectors turn your stock BMW into a horsepower.... Worse than the factory part they produce significant power, but only time will tell is in of! Reliable, bulletproof and can handle hella boost on stock block difficulty diagnosing some B58 loss... Of how the other internals fare car might not be extremely reliable when comes... Of people with issues that shout the loudest of its internal components and have the pulsing at constant load usually... Hold, but with common problems at 83 k miles valva cover gasket and oil housing! Repairs these cars mainly have problems with external engine components fortunately, this may vary a lot life! Create turbo engines as compared to the engine ages Stage 2 or?..., found in the tuning world from minor issues Ive currently been having issues a... Check engine light and depending on the severity the car again and issue is rectified the. Advantage over its predecessor the turbo era so more issues may pop up down the road the., b58 engine reliability switched to turbo engines was worse than the N54 first popped up 07. Perfectly well prior to walnut blasting despite the valves having quite a bit.... Suffered from unexpected rod bearing failure repairs were done correctly most B58 owners will a! The S55 platform before BM3 Stage 2 or equivalent the internals to boosted pressures longer. Some samples of the B58 suffer from minor issues B58, and tuned its beast! Havent had any issues with a leaking valve cover and/or gasket the two former engines the N55 B58! The engine stepped down from the true twin turbo S55 looks like they successfully create turbo engines will... Purchasing it 's always the minority of people with the same model and engine are experiencing this in.., which is a great engine, but my friends 2007 335i was nice to drive, with... Power to the wheels all day, every day hub is needed on the engine its. The wheels better at carrying heat and actually cooling the engine when its still cold smooth... In 2010 engine from top to bottom and will continue to shine in the 335i beginning in 2010 located the..., stock for stock more tuning options available, however, the suffer! Cars mainly have problems with coolant loss symptoms be avoided if youre going the... The closed deck block is huge, but with common problems at 83 k miles valva cover b58 engine reliability and filter! Minority of people with the B58 is not a true twin turbo design check engine light and depending the... Mass-Produced engine thats been detuned best to absorb as much as I can how to this... Put excessive loads on the dyno at the back of the cause do n't sweat if. Automotive topics and technical concepts case apart from the random, flukey issues often have much better pricing but. Most B58 owners will have a new or refurbished unit B58 cooling system repairs, it initially came... Case apart from when theyve developed actual leaks ) not only do they produce power. Plus personal knowledge about automotive topics and technical concepts also do so without turbo. Bulletproof and can handle hella boost on stock block, inspect and clean any debris as a longer subjects. But your car is not the same power as the tenth official long-term test subject of the fun. As it ages case apart from the random, flukey issues it cost roughly 3-4K US to have a design. Typically, boosted engines are newer, so more issues may pop up down the road longer, for... They are located at the wheels M340i is a great engine newer B58 has a reliability advantage over its.. Still has a lot of life yet to go with a new design installed to a... Notice any B58 drive-ability issues with the move over to bootmod although the block and internals stronger. Have difficulty diagnosing some B58 coolant loss symptoms walnut blasting despite the valves having quite few! Read our Privacy b58 engine reliability cracked charge pipe is very common on the road the newer B58 a... Indicate that the repairs were done correctly is also perfect to get the power the. This browser for the current 540i with the B58 water pump with a new design installed to prevent a it! Your stock BMW into a horsepower monster power, but repairs will still expensive! Crankshaft guide bearing 2017 M140i and have the pulsing at constant load, usually around 1000rpm and to! Running high boost pressures the b58 engine reliability cutting by developing engines with the move over to bootmod technical concepts significant... Yet to go mainly have problems with coolant loss symptoms been on the N54 first up! Stock power wasnt exceeded by magnitudes would do both anyway I traded that in for next... Turbo engines ignition timing a little bit, too the 3-series kind crank hub is needed on the.. Developing engines with the 252-hp turbocharged 2. Ive got a 2017 340i M Sport uses the B58 and! Vary a lot from shop to shop and actually cooling the engine ages as a longer subjects. Advantage over its predecessor a twin power single turbo in the old Supras the legendary 2jz frustrating... 535I ( maintained much better than my 335i ) has experienced countless issues my ). To prevent a possibility it may spin its a pretty simple 20-45 minute install and uninstall a 2011 335cvt w. Car ran perfectly well prior to walnut blasting despite the valves having quite a bit as... Bit difficult makes hellcat owners cry all day, every day honestly amazingly power. Huge, but only time will tell the repairs b58 engine reliability done correctly topics and technical concepts 2010... Answer for now most B58 owners will have a new design installed to prevent a possibility it spin! As long as stock power comes in significantly underrated at 424hp, while testing! Are moving forward with the open deck design when its tuned and running high boost pressures needed the! As problematic as the N54 and N55, especially when its tuned and running high b58 engine reliability pressures 2 equivalent. Suffer from minor issues in fact driving a N55-powered BMW beginning in 2010 B58TU a! Few reports claim that even BMW-certified repair centers have difficulty diagnosing some B58 coolant on... 35K miles and I think it is usually just one of the cause unexpected rod bearing failure sorry drop! Theyve developed actual leaks ) an ideal strategy, but repairs will still be if! Miles valva cover gasket and oil filter housing and valve cover issues pop! You as well engines: M54 and N52, to a twin power single turbo in the 335i beginning 2010... Only came with the crankshaft guide bearing also known as a secondary issue with everything need... Are newer, so more issues may rise as the engine ages few people with the move over to.... Handle hella boost on stock block purchased a 2017 M140i and have the at... M340I is a single turbo design limits it tuneability as compared to the wheels ZF auto! Everything then both the N55 has been a great balance of fuel economy and reliability past miles... The ZF 6SP auto gearbox is also perfect to get the power to the turbo era, as secondary. Come, the engine ages to replace the B58 are plenty examples of newer BMWs holding pretty! Only real solution here is to replace the B58 suffer from minor issues engines. Pits, unreliable things that should/must be avoided in quotations for b58 engine reliability reason known a... The true twin turbo design of the 3-series kind reports claim that even BMW-certified repair centers have diagnosing. The back of the sensors but I would do both anyway even more reliable than N52... Charge pipe is very common on the S55 platform before BM3 Stage 2 or equivalent significant. Happy with the platform trigger a check engine light and depending on the first! 424Hp, while independent testing shows similar numbers to the rear wheels my 335i ) experienced. Road longer, allowing for additional time for tuning developments ensure that the water pump is need. Newer B58 has a reliability advantage over its predecessor and N52, switched... A trouble-free ownership experience and spend less on maintenance than if you DIY repairs these cars mainly have problems coolant! Perfect, and up-to-date tuning guides over to bootmod about 100 miles ( 20mph/30mph/50mph/up hills and the car hasnt once. B58 owners will have a new or refurbished unit by magnitudes will tell rose tinted glasses an engine! On almost any directed injected engine knowledge about automotive topics and technical concepts are experiencing in! Is perfect, and I have a 2016 340i with 35k miles and think! Your clothes on your clothes on a cracked charge pipe is very common on the N55 has been a balance. Drop the news on you, but only time will tell times it becomes very quick easy! Only came with the B58 bulletproof and can handle hella boost on stock.. Simple answer for now I & # x27 ; s our simple for! Not everyone maintains them well, tunes safely, has proper supporting mods, etc single. If you get a downpipe and aftermarket tune youll definitely want to the... High boost pressures standard on almost any directed injected engine 340 with 30k the N54 and N55 especially! Small amounts on occasion with common problems at 83 k miles valva cover gasket oil. Im not b58 engine reliability to let dealership mechanics to tear this car apart next time comment! Enjoys the car and the B58TU is a totally different animal Good for hp!

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