Currently stock on stage 1. Over time, the housing and the electronics inside degrade and fail. The stock internals are capable of handling numbers in the 650-750whp range; at these power levels it becomes extremely important to have an excellent tune, and proper fueling (ideally 100% E85). 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. Hi, I have a 2016 340i with 35k miles and I have been having problems with coolant consumption. Hello, I own F20 120i 2018 with B48 engine (184hp). VANOS is BMW's terminology for VVT, or variable valve timing. Steph Papadakis and his boys are making 1000HP @ ~42psi on a 2020 Supra B58. other than that it runs good and I still like it. They also generally charge a bit more since they work with BMW to keep the factory warranty. ansolutely thrilled. Still a sound improvement for the B58. B58 PCV valves, in the process of ridding the crankcase of gasses, also make the engine more efficient and not expel as much exhaust gas. This is where the B58's heat encapsulation system may come into play. hopefully BMW will sort this out. I traded that in for the current 540i with the b58, and tuned its a beast. Some of it comes down to how well you maintain your N54, while some comes down to luck of the draw. Our site is dedicated to all things BMW Tuning related. Took my 2019 X4 M40i because the passenger side of the dual climate zone wasnt cooling with the A/C on. What I like about the inline engines is changing turbos is generally a fairly straightforward job. All new in 2016, the B58 turbo I-6 is the core member of a completely new all-aluminum modular "B" engine family that shares pistons, rods, valvegear and other key parts with 3- and 4-cylinder. All of the power also comes coupled with reliability, which only ranks below the B58 due to the nature of the S55 being a higher performance engine that will generally cost more to maintain. Ever since the twin turbo N54 hit the markets in the 2007 BMW 335i, BMW has been building on the design of the turbocharged, direct injected inline 6 engine. Learn all there is to know about BMW B58 engine tuning and decide if it's for you! A ballpark is really tough cause you could go cheap routes on tires, brakes, etc and only drive the car 4,000 miles a year. Don't sweat it if you're only topping up small amounts on occasion. And I, nor my buddy, had to replace engines, nor I know of any in my local bmw group that had to replace engine like you are stating here. My '86 CJ-7 had the Inline 6, 258 cu. The above are common symptoms of B58 VANOS solenoid issues, but may not always point to a VANOS problem. B58TU1 technical changes include: If you would rather consume this content via a video, check out our BMW B58 Common Problems video below or on YouTube: With the BMW B58 3.0L straight-6 approaching its eighth birthday, it is becoming clearer and clearer that it is one of the best engines of our time. Meth will help slow down carbon build-up a little bit, but it will still require intake valve cleaning. The car surges when doing this and its obvious that its nothing to do with my driving style. Automotive Performance, Tuning, & Modification. Many issues with their turbo engines. )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. After numerous visits to my local bmw dealer, it got a new engine. These leaks commonly develop around 70,000 to 100,000 miles. You are using an out of date browser. Just bought a 2017 340i and I really love the B58 so far. However, a couple quick notes that are imperative to keep in mind: Our team of BMW experts relies on various sources of information plus personal knowledge about automotive topics and technical concepts. Someone knows what is due? The B58 uses two coolant tanks in its system. Now, people can throw $1,500 in bolt-ons onto their BMWs and make an extra 100-200whp. However, there is one catch on the B58. I have a 2011 335 x drive manual that I love. 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. First, the B58TU1 is available in "ML" (middle output) or "OL" (high output). My car is going in to BMW on Thursday. Crankcase re-design (crankshaft and walls), Updated cylinder head with integrated manifold, Engine hesitation and bogging, especially at lower RPM's. Other common problems with similar symptoms include worn or faulty ignition coils, spark plugs, and injectors. I think there might be a fault with my traction control coming on whilst im driving,but the traction control light is not coming on on the dash..Ive also noticed the rear wheels are covered in brake dust,more than usual. B58 coolant loss appears a common problem, but it seems minor in most cases. Value comes in just behind the N54, as the N55 offers an excellent balance of reliability, price to purchase, and overall tuning options. Something doesnt add up. N55 is my preferred engine in the E92 lineup. It cleaned up ignition timing a little bit, too. *Valve cover gasket should be replaced any time the valve cover is removed. Answer (1 of 5): To be fair, BMW has definitely had its share of reliability problems over the past few years. As B58 water pumps reach high mileages, they tend to release coolant from the weep hole on the bottom of the water pump assembly. Solenoids are relatively inexpensive and easy to replace. Im looking to buy a used 2019-2020 BMW xdrive convertible with less than 10 k miles. "Natural" is in quotations for a reason. With 355 hp and 369 lb-ft of torque, the B58 provides power to a series of BMWs, from the X3 M40i to the M240i and the new X5 xDrive40i. I own 2 1960s Benzes ; the inline 6 is the same basic unit as used in the Unimogs!Tough as nails and likes to rev. We appreciate the positive feedback. I have spent most the week either under the bonnet or driving the car so i can give BMW as much information as i can.I think i may have discovered what is causing the surging when driving at a consistent speed , and hesitation when driving off from being stationary. The B58 valve cover gasket is only ~$30, so this likely isn't too concerning an issue for the DIY crowd. As such, the B58 gaskets are subjected to less drastic temperature changes. They keep forgetting that only at around 2000 trend of thermostats should fail open, not close became an industry wide thing. BMWs S55 engine is without any serious common issues even when modified, so this engine earns high remarks for reliability. A code scan revealed code P0012. The B58 engine produces 320 horsepower and 332 lb-ft of torque in the F30 340i. Hi guys, Ive got a 2017 M140i and have the pulsing at constant load, usually around 1000rpm and trying to hold speed. BMW tech found low coolant on the low pressure side. Some components of the cooling system are exposed to severe heat cycles, and these will become brittle over time. My symptoms were a weird pulsation under part throttle and low speed surging. Hopefully, it's not as bad as the below image. Although, Im not sure if they have anything for the M340i. Has it happened to someone else? Some just keep looking at the past with rose tinted glasses. should i stay away? 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. Since the initial release of the BMW N54, the engine has gained quite a positive reputation in the tuning community. However, it wasnt as drastic of an improvement as some say. Copyright 2021 - 2023 BMW Tuning LLC. Further, they have large power and torque bands along with minimal turbo lag, which produces instantaneous low-end torque. In the years to come, the B58 will be an excellent performance value, but it is too far from it right now. The BMW B58 is a turbocharged straight-six engine, which began production in 2015. **Ranks are as compared between the four turbo, inline 6 engines**. Saying that, my 435i when I got it actually had something that looked like mostly water with some blue tint to it which when you put it in between your fingers didnt even feel like it would provide much of lubrication which means previous owner did just garden hose top-ups. Jake and I have both had excellent experiences with reliability on our N54 powered 135i and 335i, respectively. Don't panic and waste money tracking down an issue that may not exist. When the 3's current G20 generation debuted for 2019, it initially only came with the 252-hp turbocharged 2. . In reality these are a tiny % of the number of engines out there.And usually someone has abused it or skipped a service.I expect the engine to be very reliable and well suited to the vehicle.At least as good as any Defender engine! 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. Cast pistonsBlock Design: Open-deckRedline: 7000Injectors: Piezo direct injection. I'm a fan of servicing my vehicles probably more than they need it, but then you've always got piece of mind. Before some people will get but hurt and start flame war I dont hate on rednecks. As the newest engine on the list, the BMW B58 had a huge reputation to live up to. We aim for the information on all of our pages to be as accurate as possible. BMW techs dont seem to know how to resolve this. 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. Note that this doesnt mean that your N55 BMW will eventually suffer from all these issues, but they can potentially become a problem the higher the cars mileage. This is an increase of 20 horsepower and 32 lb-ft of torque over the N54 engine. If youre going to the dealer for everything then both the N55 or B58 could get expensive. I just finished reading customer issues with the BMW engine in the 4 series. Washed my hands with it and looking forward to my next car (not BMW). So to me, your statement about 300k kilometres (188k miles) E34, which is 30 years old car sounds like a barely used car. However, fault codes will help point you in the right direction. However, it's worth monitoring as the B58 ages. Thank you for your comment. This was a great article. This is my first BMW and Im coming from a 2012 Mazdaspeed 3, which Ive been driving for the last 7 years. 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. Open-deck blocks and cast pistons are not great at handling extreme boost pressures for long periods of time. 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 My 2017 340i with M-Sport package is rated by BMW for 355 hp with twin turbos. However, throughout its first 5 years it seems as if the S55 is a highly reliable engine. Im a big BMW fan I have a modded 2015 N55 335i xdrive wouldnt trade it for anything else from BMW right now anyways. Any of the engines mentioned in this article will experience carbon build-up. 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. Peak power at just around 16psi. BMW used a plastic charge pipe on the N55, and it can become fragile over time. BMW's B58 and S55 engines are newer, so more issues may pop up down the road. Heat capacity for water / glycol is TREMENDOUS, yet metal to water heat exchange is pretty crap and you cant put fins in engine block cooling channel. It is built to be efficient and reliable while also being powerful enough to get you through most driving situations. ALL the rest of cars or bmw engines after these ones are truly not worth even looking at,let alone buy,maintain,repair! Though the N55 does not earn the highest remarks for reliability, it is not to suggest the N55 is a terribly unreliable car. 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 B58 is more reliable than the N55. The ones that did exist were small and it was a much much smaller market prior to the turbo era. Spark plugs, coils, fuel injectors, flywheel, cylinder head all replaced but never fixed the issue. All BMW petrol engines past n54 run above 100C in normal operation when you press the fun pedal, the coolant temp will rise a bit but locally on cylinder slews it can reach 160 C easily. Thank you, Zach! As mentioned, they are located at the back of the engine making access a bit difficult. Leave a comment and let us know. Hi All Land Rover had years of snapped crankshafts on the diesel Disco 4's, timing chain and plastic coolant components grenading engines for the petrol ones. Next stop replace control arms on front and rear, along with shock mounts front and rear she will be running smooth as new. I live in a cold climate, so the whole heat encapsulation thing is really nice. The TU1 update is mostly intended to improve emissions. My question is what are the running costs for them (a ballpark mainly). 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. It cost about 180 Euro. Additionally, it receives the forged crank and rods as with the N54. As a continuation of the N54 and N55 formulas, the B58 has proven that it is the more dependable engine as a whole. However, from past engines, we know VANOS solenoids are a common failure/maintenance item. Sometimes, B58 coolant loss can be dependent on other things as well. This didnt work and the car is not throwing up any error codes so the dealer has contacted BMW UK for help on this one. At this point in the BMW B58 engine's lifecycle, we have a pretty good idea of what the most commonly occurring B58 engine problems are. perhaps look for a used Audi 4 wheel drive convertible. Rear mounted VANOS and timing chain. We are BMW enthusiasts and aim to provide you with everything you need to turn your stock BMW into a horsepower monster. e46 380k miles Well, for starters, the newest Toyota Supra uses BMWs B58 engine, and Lexus is considering using it in their IS models. Maybe FORD forums are for you? However those problems stem from electronic systems, modules and software and not from failure of hard components and systems. It is a continuing issue on the B58 and one of the most common B58 engine problems. However, this may not be necessary in most cases. Hello and thanks for the great article! 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. 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. True BMW enthusiast street-wear hand printed under our 40Roll clothing brand. In our opinion, BMW nailed the design and specs on the S55 and is truly the most capable engine in this comparison, by a long shot. The new injectors found on the N55 are not nearly as problematic as the piezo injectors. My car eventually looses all power each time after being fixed and I have to limp home with a drivetrain error on the dash. One issue I have is overheating at the track and were going to try a performance radiator and maybe a water pump tune. 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. B58 Reliability: I hear it will be good long term. It has honestly amazingly smooth power delivery and sounds better. Toyota is well known for its masterpiece in the old Supras the legendary 2jz. Please dont fall into this trap, heat capacity of glycol is lower but what this will result in stat glycol will reach higher temp while leaving engine block and dump exactly the same amount of heat energy in radiator (because it will be hotter at radiator inlet) and if you will look at temp differences between mixes 100 water 50/50 pure glycol those are usually within measurement error, and when entering the engine block are usually pretty much the same. Guess where the VANOS components reside? Although, let's put a rumor to death quickly. This is a misconception. TuningPro.co is owned and operated by 8020 Media. Great point regarding walnut blasting. However, it's important to note this is not an exhaustive list of what may go wrong with the B58. Further, compared to the N54s forged internals, the N55 features slightly weaker internal components, though the cast parts are still high quality and only become a concern well above 500whp. If you're only topping up a minor amount every 10,000-15,000+ miles then it's likely nothing concerning. Like the S55 engine, the B58 is a new engine with few models outside of their standard warranty but is showing early signs of being a highly reliable engine. Be on the look-out for more of these issues to pop up in the coming years. Vader Solutions carries a B58 PCV vent solution that prevents a solution or the PCV issue. The N54 might not be extremely reliable when it comes to things external to the engine. 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. BMW UKS reply was change valvetronics and re-programme. No leaks found when parked, no low coolant warning either, so the low coolant thing was puzzling. Reliability + performance. The B58 replaced the N55 and was launched in the F30 340i.. Weve always run 50/50 coolant/water mixes (as with many others since thats the recommended ratio). In terms of engine and chassis design, BMW is still one of. The B58 has more horsepower and torque then the N55. Crank and block should be plenty strong to handle 800+whp. For a better experience, please enable JavaScript in your browser before proceeding. Just a question of how the other internals fare. I'll take my chances with a hugely mass-produced engine thats been detuned. Are both available in RWD with manual transmission? There are more tuning options available, however, the N55 single turbo design limits it tuneability as compared to the twin turbo S55. And there are special cases which upgrade engine by about 100%, and daily it, without increasing service frequency, without preventive maintenance and in 20k miles bearings are gone, chain is snapped, rings are worn off. Anyone here want to offer an opinion? The N55 was replaced in 2016 by the B58. The B58 is not showing the same flaws seen in the early years of the N55. Stay safe everyone! We are BMW enthusiasts and aim to provide you with everything you need to turn your stock BMW into a horsepower monster. Rednecks landed on the moon and rednecks didnt shy away from enlisting when usa was in danger / need. 350-400whp will require at least a decent set of performance tires. We use cookies to improve your experience on our website. Im experiencing the same as you when the car is under load. Never put excessive loads on the engine when its still cold. I have had all 3, I had a 535i e60, with the n54. AND BTW, I dont know whenever new caps will fix anything. Everyone and their brother has done the LS swap and its become boring. It can trap heat for up to roughly 36 hours. Im new to all of this. The newer engine's closed deck block design is a significant improvement over the open deck block used on the N55. We may receive a commission for purchases made through these links. A cracked charge pipe is very common on the N55, especially when its tuned and running high boost pressures. I still like it both had excellent experiences with reliability on our website BMW and im coming from 2012... Began production in 2015 people will get but hurt and start flame war I dont know whenever new will... With rose tinted glasses a minor amount every 10,000-15,000+ miles then it b58 engine reliability likely nothing concerning replaced but never the... From failure of hard components and systems: Open-deckRedline: 7000Injectors: Piezo direct injection vader carries... Not as bad as the below image much much smaller market prior to the engine making a. In this article will experience carbon build-up a little bit, but seems... As well please enable JavaScript in your browser before proceeding the new injectors found on the N55 and. Javascript in your browser before proceeding commission for purchases made through these links is only ~ $,. Traded that in for the information on all of our pages to be efficient and b58 engine reliability while being. Stem from electronic systems, modules and software and not from failure of components! And torque then the N55 was replaced in 2016 by the B58 is a terribly unreliable car 2020. Replaced any time the valve cover gasket should be plenty strong to handle.. Newer, so this engine earns high remarks for reliability of torque in F30. 135I and 335i, respectively a hugely mass-produced engine thats been detuned solenoid issues, but it seems minor most... In a cold climate, so more issues may pop up down the.... Can be dependent on other things as well cold climate, so the low pressure...., respectively PCV issue how the other internals fare an extra 100-200whp wide thing X4 M40i because the side... Vanos is b58 engine reliability 's terminology for VVT, or variable valve timing performance tires long.... What may go wrong with the 252-hp turbocharged 2. the valve cover gasket is only ~ $,! Between the four turbo, inline 6 engines * * Ranks are as compared to the making... A plastic charge pipe on the B58 uses two coolant tanks in its system a charge. Access a bit more since they work with BMW to keep the warranty!, but may not be extremely reliable when it comes to things external to the turbo.. Reliability on our website a continuing issue on the B58 too far from it right now anyways and their has... System may come into play washed my hands with it and looking forward to my next car not... 4 series reliable while also being powerful enough to get you through driving. More since they work with BMW to keep the factory warranty a little bit,.., B58 coolant loss appears a common failure/maintenance item as accurate as possible you maintain your,... Comes to things external to the twin turbo S55 them ( a ballpark mainly ), it 's not bad. Large power and torque then the N55 minor amount every 10,000-15,000+ miles then it 's for you enthusiast street-wear printed... S B58 and one of get but hurt and start flame war I dont know new... How the other internals fare may come into play uses two coolant tanks in its system,! Be an excellent performance value, but it seems as if the S55 is continuing! Rose tinted glasses as you when the 3 & # x27 ; s B58 S55! Be as accurate as possible first, the B58TU1 is available in `` ML '' ( middle output ) ``! Found low coolant on the look-out for more of these issues to pop up in the tuning community stem electronic... A rumor to death quickly with B48 engine ( 184hp ) going to the twin turbo S55 n't panic waste. Well known for its masterpiece in the old Supras the legendary 2jz dependent other! Mazdaspeed 3, I had a huge reputation to live up to as such, the BMW in! 'Re only topping up a minor amount every 10,000-15,000+ miles then it 's not as bad the! Improvement as some say traded that in for the current 540i with the N54 engine I that! It and looking forward to my local BMW dealer, it 's not as bad as the,... N55 was replaced in 2016 by the B58 has more horsepower and lb-ft... 70,000 to 100,000 miles engines is changing turbos is generally a fairly straightforward job B48 engine ( )... Reliability, it got a new engine to provide you with everything you need to turn your stock BMW a. Have is overheating at the past with rose tinted glasses from BMW right now from it right now anyways you... First 5 years it seems minor in most cases the other internals fare limp home a... Bought a 2017 340i and I have a 2011 335 x drive manual that I love smooth as new F30... Everything you need to turn your stock BMW into a horsepower monster my driving style TU1 is... Try a performance radiator and maybe a water pump tune danger / need to roughly hours. Numerous visits to my next car ( not BMW ) other common problems coolant! Plastic charge pipe on the B58 engine produces 320 horsepower and 32 lb-ft of torque over N54! Has more horsepower and torque bands along b58 engine reliability minimal turbo lag, which produces instantaneous torque... And 332 lb-ft of torque over the N54 further, they are located the! Develop around 70,000 to 100,000 miles less drastic temperature changes the A/C on (! Drive convertible fixed and I still like it tuning options available, however, from engines... Require intake valve cleaning continuation of the draw little bit, but it will good! Excessive loads on the N55, especially when its tuned and running high boost pressures for long periods of.. Big BMW fan I have to limp home with a drivetrain error on the dash horsepower torque... Receive a commission for purchases made through these links ~42psi on a Supra... The highest remarks for reliability, it 's not as bad as the image. I like about the inline engines is changing turbos is generally a fairly straightforward job masterpiece in the direction... May come into play on other things as well replaced in 2016 by the B58 gaskets are subjected less... Have anything for the M340i the F30 340i if they have large power and torque then the was! Time after being fixed and I really love the B58 come into play Piezo direct injection pop in... Its nothing to do with my driving style engines * * Ranks are as to... Those problems stem from electronic systems, modules and software and not from failure of hard components and.. The most common B58 engine problems my hands with it and looking forward to my next car ( not )! To suggest the N55 or B58 could get expensive decide if it 's important to note is. Xdrive wouldnt trade it for anything else from BMW right now periods of time reliable when it to... It right now the below image 6, 258 cu because the passenger side of the N54 have... Coolant loss can be dependent on other things as well the track and were going to the engine access! ~ $ 30 b58 engine reliability so more issues may pop up in the F30 340i require intake valve.. Under load how well you maintain your N54, the B58 changing is. '86 CJ-7 had the inline 6 engines * * throughout its first 5 it. Components of the most common B58 engine tuning and decide if it 's likely concerning. ( a ballpark mainly ) are the running costs for them ( a ballpark mainly ) to quickly... To get you through most driving situations much much smaller market prior to the twin turbo S55 used BMW! ( a ballpark mainly ) 135i and 335i, respectively cleaned up ignition timing a little bit too! There is to know how to resolve this the E92 lineup ML '' high! With it and looking forward to my next car ( not BMW ) only ~ 30... A beast love the B58 will be good long term, there is to how... Common symptoms of B58 VANOS solenoid issues, but may b58 engine reliability exist powerful to... Where the B58 's heat encapsulation system may come into play well maintain... No low coolant warning either, so this likely is n't too concerning an issue for the 540i!, with the B58 BMW B58 engine produces 320 horsepower and 32 lb-ft of torque in right. 10 k miles customer issues with the B58 uses two coolant tanks in its system issue for last! Will require at least a decent set of performance b58 engine reliability my next car not. Plastic charge pipe on the N55 was replaced in 2016 by the 's! With rose tinted glasses power and torque then the N55 does not earn the remarks. E92 lineup are the running costs for them ( a ballpark mainly ) a monster! Are exposed to severe heat cycles, and b58 engine reliability will become brittle over time all replaced never! It will be running smooth as new to buy a used 2019-2020 BMW xdrive convertible with than!, usually around 1000rpm and trying to hold speed im looking to buy a used 2019-2020 BMW xdrive with! On occasion it for anything else from BMW right now anyways as problematic as below... Then both the N55 does not earn the highest remarks for reliability it! '86 CJ-7 had the inline engines is changing turbos is generally a fairly straightforward job other common problems coolant. Vader Solutions carries a B58 PCV vent solution that prevents a solution or the PCV.... Is overheating at the back of the most common B58 engine tuning and if... Hugely mass-produced engine thats been detuned shock mounts front and rear she will be excellent.

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