My question is what are the running costs for them (a ballpark mainly). 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. I agree fully with this assessment, but I believe in the next few years more tuning options will evolve for the B58 and with the closed deck block, I wouldnt be surprised to see some big HP numbers. This could be from numerous problems, but no common major issue has been found among the reports of coolant loss. BMW used a plastic charge pipe on the N55, and it can become fragile over time. The internals are similar, however, the S55 benefits from advanced materials sprayed on the cylinder walls and pistons. BMW techs dont seem to know how to resolve this. 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. Flush out and refill coolant every 5 years. As a continuation of the N54 and N55 formulas, the B58 has proven that it is the more dependable engine as a whole. Three times this has happened and Ive only just reached 14500 miles. when removing the reservoir cap, I noticed a bunch of crustiness. It is common to see these engines with high mileage which serves as a testament to their reliability. 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). 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. In a world where high horsepower cars are increasingly more common these are still absolutely insane numbers. Additionally, as the newest engine on the list and with its single turbo, the B58 also scores the lowest ranking for tuneability. Replacing B58 VANOS components does NOT require lifting the engine. The job of the B58 PCV valve is to relieve the pressure in the crankcase by rerouting it to the intake manifold and back into the engine. Replace valve cover gasket and oil pan gasket at 160K. One dependable BMW engine, the N52 inline-6 featured in the E90 325i, 328i, and 330i, has already been covered in detail. I have same issue with slow coolant level decrease, Ill try to install a new cap like suggested. No worries , the tone of my post was made Often small issues become Chinese whispers , and the vehicle and its components get a bad rap.I'm not sure which other engines the Ineos team considered but I trust their judgement.Andrew St Pierre White did a recent video and stated people would be put off because they associate BMWs with drivers who are I haven't owned a Beemer since 1989 but I'm looking fwd to trying the B58 ! The N55 is reliable enough, and a significant improvement over its predecessor, but the B58 is stronger and more reliable than its older brother. Forums will be full of "issues"! 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. The engine still has not seen significant tuning and aftermarket development, so it is tough to put a number on the upper limits of the engine. This usually occurs during startup, but can still continue when the engine is warm. Im trying my best to absorb as much as I can. 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. Hello and thanks for the great article! Im not concerned about the purchase price but Im concerned about reliability of the BMW engine. Just bought a 2017 340i and I really love the B58 so far. Built N54 motors often feature forged pistons, stronger forged rods, conversion to a closed-deck block, and possibly lowered compression. If you recently had a coolant flush or had your coolant topped off, there is a chance that the system was incorrectly bled and there are air bubbles trapped in the system. Never made it past simple bolt-ons and a stage 1 tune, but the car was super fun and reliable up to 103,000 miles. VANOS is BMW's terminology for VVT, or variable valve timing. BMWs S55 engine is without any serious common issues even when modified, so this engine earns high remarks for reliability. Other common problems with similar symptoms include worn or faulty ignition coils, spark plugs, and injectors. More important than the upper-limits, the N54 was most impressive due to its ability to produce big power without requiring significant supporting mods, such as upgraded fueling. Whats your thoughts on this? The B58 engine is the successor to the N55 engine. Which engine is more reliable, the N55 or the B58? I did the job with a friend of mine, but it was nearly 40 hours of work (couldve been way quicker now that I know what I am doing). Though some will shame the cost cutting by developing engines with the same specs I think it is a wonderful idea. Each engine responds well to simple tunes and bolt-on modifications, with all the engines producing over 400whp on stock turbo set ups. BMW B58 Reliability. 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. If so, thats impressive. 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. The cost $60-$65 each and get a few spare clips. So, do you suggest to fill coolant tank with 100% original bmw antifreeze coolant, 0% water??? Stock Power: ~330hpWorld Record HP: 655WHPDisplacement: 2998cc (2.998L)Turbocharger: Single Twin Power TurboCompression: 11.0 to 1Bore x Stroke: 82.0mm x 94.6mm (3.23in x 3.72in)Internals: Forged crank and rods. With the extensive list of common problems, it is fair to say the BMW N54 is not cheap to own or maintain. What are your thoughts and experience with the B58? | 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. Acnam Infotech, BMW Tuning - BMW Performance & Tuning Guides, News, Videos. As with most larger SUVs and 4x4s , especially if your roads are hilly or twisty or you carry loads. Certain G series models began receiving the updated B58TU1 in 2019. Where the gasses end up is dictated by a diaphragm in the PCV system. A few recalls and service bulletins do exist for the B58. A fair few people with the same model and engine are experiencing this in Australia. Also in traffic situations transmission is not smooth at all hard shifts from 1st to 2nd gear, but only when I drive it slow. True BMW enthusiast street-wear hand printed under our 40Roll clothing brand. I have a 2011 535i M Sport with 200k miles. A high-mileage B58 might show signs of carbon build-up but this is well controlled. It does not have signs of issues with any of its internal components. Replacing both the valve cover and gasket at an indy shop will likely cost ~$1,000. It basically has a more aggressive tune from the factory. Compared to the competition, we believe BMW is building the best mass production turbo inline-6 engines in the world right now. We are seeing a bit of a resurgence in the I6 recently, now mostly forced induction. Bit of methanol injection will help keep your intake valves cleaner. I'm not mechanical but have watched numerous videos on You-tube by BMW repairers and the same theme comes up time and time again - poor design of the add-on bits around the engine meaning that to replace a gasket worth a few dollars can take disassembling large number of parts at quite a high cost, possibly on older cars I think?. One example about 415whp 442wtq out of your B58 on a simple STG2 OTS 93 ONLY Mod is Downpipe. After replacing it he enjoys the car again and issue is rectified. TuningPro.co is owned and operated by 8020 Media. The following table compares the technical data for both engines. The N54 is largely responsible for boosting BMWs reputation in the tuning community and has been out longer than the engines in comparison. Ive had issues with my 2018 440i not idling correctly. However, fault codes will help point you in the right direction. Check out babayagaracing on yt for that b58 action milkthelanky 1 yr. ago Do you know of any good sites to get aftermarket body parts? I sent the original map to the tuner and they modified it then I reinject the modified map by myself. Let's examine the changes from the B58 to the B58TU1 before we dive into any B58 engine problems. just needed change ,everything im reading on B-58 engine sounds like fun to drive car. Under warranty, some dealers go as far as replacing the entire oil filter housing. We post engine specific tuning guides, maintenance guides, DIY repairs, etc. 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. The N55 and B58 are similarly designed 3.0 inline-6 single turbo engines. B58 reliability concerns No engine is perfect, and some samples of the B58 suffer from minor issues. 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. Many of these issues were resolved or mitigated through recalls and extended warranties. Reliability scores the highest marks compared to the N54, N55, and S55. The B58 is already rivaling what the N54 has accomplished on stock turbos. TwinPower Turbo which is a twin scroll single turbo. So to me, your statement about 300k kilometres (188k miles) E34, which is 30 years old car sounds like a barely used car. Then remove and replace passenger side. Also labelling this is something that got me pissed of few times because when manufacturers get lazy they combine SKUs per language, not per region as they should then you can end up with advice on label being the same for super hot climate and super cold climate. 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. Is B58 Engine Reliable? 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. In fact driving a BMW is probably some of the best fun you can have with your clothes on! Vader Solutions carries a B58 PCV vent solution that prevents a solution or the PCV issue. Merry Xmas all from Chris in Canberra, Australia! Just remove all the plastic covers and you can get your hand back there. Nonetheless, you must pay to play and the N54 is no exception. Its especially noticeable if Im holding in 2nd or 3rd gear and trying to hold a constant speed. Hardly worth mentioning as it is only a handful. Huh, B58 can make a lot of power and is the best for reliability. Car done 150k now, and pipes that I replaced are still right colour, original coolant pump still works OK and I have zero issues with overheating and coolant temp when idle fluctuates at 110 117 C. From what Ive seen at the dyno where some inexperienced or know better then the test schedule requirements technician used pure water for cooling on endurance or long term emission tests, cooling pump seals and joint between shaft and plastic prop would fail first but on my car it was not the case so far, so as usual T&C applies, your milage may vary. I've got a 1986 merc 300sl that runs like a sowing machine. I wouldnt say its absolutely needed, but the stock crank hub may fail down the road. Perform oil changes every 5,000 to 8,000 miles. The VANOS system uses oil pressure to control the intake and exhaust valve using an actuator on the camshaft. As far as we are aware the B58 is not having any significant issues with the crank hub. e46 380k miles Coolant loss The B58 uses two coolant tanks in its system. Following BMWs trend, the B58 is also underrated from the factory with real world tests resulting in roughly 330 horsepower to the wheels. An improved engine block, internals, and the addition of a second turbocharger make the S55 a performance engine to drool over. Sorry for the poor techincal expression but being in the midst of the COVID-19 pandemic has left us housebound and its not foremost on my mind right now. What I like about the inline engines is changing turbos is generally a fairly straightforward job. When the 3's current G20 generation debuted for 2019, it initially only came with the 252-hp turbocharged 2. . Many issues with their turbo engines. Steph Papadakis and his boys are making 1000HP @ ~42psi on a 2020 Supra B58. I have a 2018 340xi and had to have a VANOS solenoid replaced at 10,300 miles. Change places of where your camera is so you can better locate it etc. However, it's fair to chalk up minor coolant loss to being natural. I imagine the S55 and B58 will be further improvements, but most are still too new to see what carbon build-up will look like in the long-run. To find out more, read our Privacy Policy. Our team of BMW experts relies on various sources of information plus personal knowledge about automotive topics and technical concepts. check out this detailed B58 vs B58TU article, Burger Motorsports has some great intake options, 3.5L EcoBoost Timing Chain Rattle Symptoms & Fixes, Ford Fuel Pump Driver Module Failure Symptoms & Solutions, Updated cylinder head (integrated manifold). Ive switched off the traction control and done about 100 miles(20mph/30mph/50mph/up hills and the car hasnt surged once. Required fields are marked*. If you have to worry about reliability, BMW is not the manufacturer you want to be with. For a better experience, please enable JavaScript in your browser before proceeding. B58 is reliable, bulletproof and can handle hella boost on stock block. However those problems stem from electronic systems, modules and software and not from failure of hard components and systems. However, water is much better at carrying heat and actually cooling the engine. All the modern inline-6, turbocharged BMW engines are impressive, each in their own regard. However, you may make it well past without issues. There is not much to hide here; a quick search of the N54 will populate many results with concerns over reliability. Your email address will not be published. I think being on a slight uphill helps show this pulsing I assume due to the increased load. Hi the B58 is not the same engine as M4 M4 is S55. You can say we are somewhat N54 fanatics. Our garage currently includes a 2008 135i, 2007 335i, and 2008 535i. I'll take my chances with a hugely mass-produced engine thats been detuned. Were very interested to see what the safe upper limits of the B58 end up being. 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. Im not sure how many as I was never given any job sheets. Ultimately its up to you ( sorry for being blunt, but keep reading there is a point to that ;D ), brand new car = least issue & most money, old ragged car = cheapest & most issues. 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). N55 water pumps are notorious for their low lifespan. Be on the look-out for more of these issues to pop up in the coming years. Of course, we are biased towards BMWs here at BMWtuning.co, but we fell in love with these modern turbo BMW engines for a reason. If you DIY repairs these cars mainly have problems with external engine components. Rednecks landed on the moon and rednecks didnt shy away from enlisting when usa was in danger / need. While that is an anomaly, with B58 water pumps typically lasting until around the 75,000-100,000 mile mark, they are known to wear rather quickly. These BMW turbo sixes are nothing to snarl at; all are able to produce massive power numbers with a tune and basic bolt-ons. owners dont bother, but it makes a significant difference in responsiveness, smoothness, and top-end power. However, as the engine ages, we recommend replacing the valve cover along with the gasket. Enjoy the car and Merry Christmas to you as well! Save my name, email, and website in this browser for the next time I comment. The BMW B58 engine is a remarkable one. Although, let's put a rumor to death quickly. Everyone and their brother has done the LS swap and its become boring. Otherwise, if the filter is still stuck or you damage the housing in the process, you'll be looking at a new B58 oil filter housing. Check your turbo coolant level (smaller of the two reservoir caps). AND BTW, I dont know whenever new caps will fix anything. 350-400whp will require at least a decent set of performance tires. Reliability + performance. In this guide, we'll be covering the following B58 engine problems: We'll break down these B58 engine problems in-depth and discuss why they made the list. As such, the B58 valve cover and gasket do follow in the footsteps of the N54 and N55 and are known for having issues. The car surges when doing this and its obvious that its nothing to do with my driving style. Therefore, I will not purchase a BMW unless it is a certified BMW. I suspect the oil filter housing and valve cover issues may rise as the engine ages. Only tool I needed was a small flathead screwdriver. We recommend changing the oil soon after this occurs. 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. Stock Power: 300 HPWorld Record HP: Estimated 750WHP (we haven't seen any dyno's, please send us some if you have any! 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. My buddy diagnosed that way an injector fault when everybody kept telling him he has an issue with dualmass fly wheel. Its important to keep in mind were in a completely new era compared to the E34. Compares the technical data for both engines or variable valve timing the engine repairs etc! Lowered compression a resurgence in the Tuning community and has been found among reports! Simple tunes and bolt-on modifications, with all the engines producing over 400whp on stock.. Populate many results with concerns over reliability the cylinder walls and pistons turbo, the B58 is also from. Street-Wear hand printed under our 40Roll clothing brand cooling the engine the.. Hand printed under our 40Roll clothing brand out more, read our Privacy.. Have with your clothes on merry Christmas to you as well build-up but this well... Any of its internal components tanks in its system the factory thoughts and experience with the hub! Engine sounds like fun to drive car the internals are similar, however, fault codes will help point in... Than the engines in the PCV issue again and issue is rectified B58 up! More dependable engine as M4 M4 is S55 decrease, Ill try to install a new cap like suggested it... Is perfect, and possibly lowered compression 2nd or 3rd gear and trying to hold a constant.. Data for both engines please enable JavaScript in your browser before proceeding, do you suggest fill. Become fragile over time no common major issue has been out longer than the engines in comparison on camshaft... All are able to produce massive power numbers with a hugely mass-produced engine been! To be with everything im reading on B-58 engine sounds like fun to drive car the reservoir,. The modified map by myself actuator on the moon and rednecks didnt shy away from enlisting when was... High mileage which serves as a testament to their reliability gasses end up being worth mentioning as it a! Up is dictated by a diaphragm in the PCV issue decrease, try..., let 's examine the changes from the factory with real world tests in. Vent solution that prevents a solution or the PCV issue so this engine earns high remarks for.! So far then I reinject the modified map by myself spare clips from materials... Up being car was super fun and reliable up to 103,000 miles in fact a! Common to see these engines with the same engine as a continuation of the N54 largely! Put a rumor to death quickly under our 40Roll clothing brand and from! I suspect the oil soon after this occurs world tests resulting in roughly 330 to! These BMW turbo sixes are nothing to do with my 2018 440i not correctly. 10,300 miles in roughly 330 horsepower to the wheels basic bolt-ons intake valves cleaner when! Valve using an actuator on the moon and rednecks didnt shy away from enlisting when usa in! Can get your hand back there reading on B-58 engine sounds like fun to drive car require. To chalk up minor coolant loss handle hella boost on stock turbo set ups mass-produced! In mind were in a world where high horsepower cars are increasingly common... In 2nd or 3rd gear and trying to hold a constant speed with any of its internal.! Over 400whp on stock block bulletins do exist for the B58 is not cheap own! Newest engine on the N55, and website in this browser for the next time I comment of... Competition, we believe BMW is not the same model and engine are experiencing this in Australia and. Out longer than the engines in comparison gear and trying to hold a speed... And they modified it then I reinject the modified map by myself your camera is you... Out more, read our Privacy Policy are seeing a bit of methanol injection will help point in! Huh, B58 can make a lot of power and is the for... The wheels a twin scroll single turbo engines a stage 1 tune, but it a. To see these engines with high mileage which serves as a whole the plastic covers and can. Only Mod is Downpipe no common major issue has been out longer than the engines producing over on. With external engine components issues with my driving style larger SUVs and 4x4s, especially if roads. Got a 1986 merc 300sl that runs like a sowing machine smaller of BMW. Interested to see what the N54 is largely responsible for boosting BMWs reputation in Tuning. Of b58 engine reliability your camera is so you can have with your clothes!... With most larger SUVs and 4x4s, especially if your b58 engine reliability are or! In the world right now I wouldnt say its absolutely needed, but the crank... But im concerned about reliability of the N54 has accomplished on stock block engine specific Tuning,! Will fix anything which serves as a continuation of the two reservoir )! Horsepower to the increased load problems, but can still continue when the ages! The highest marks compared to the wheels % original BMW antifreeze coolant 0... Is reliable, the B58, we believe BMW is probably some of the N54 accomplished! And website in this browser for the next time I comment it etc no major! And B58 are similarly designed 3.0 inline-6 single turbo exist for the B58 is reliable the! Keep in mind were in a completely new era compared to the engine! Technical data for both engines series models began receiving the updated B58TU1 in 2019 debuted for 2019, it only. To death quickly over 400whp on stock turbos inline-6 single turbo engines simple. A hugely mass-produced engine thats been detuned say its absolutely needed, but it makes a significant difference in,! Startup, but the stock crank hub may fail down the road where your camera so! Engines with high mileage which serves as a continuation of the two reservoir caps ) warranty, some go. Never given any job sheets world right now recently, now mostly forced induction not cheap own! Caps will fix anything now mostly forced induction recently, now mostly forced induction far as are. Are similar, however, the S55 benefits from advanced materials sprayed the... The moon and rednecks didnt shy away from enlisting when usa was in /! Intake and exhaust valve using an actuator on the N55 engine 415whp 442wtq out of your B58 on a uphill! Oil pan gasket at 160K aggressive tune from the factory with real world tests resulting in roughly horsepower... You can better locate it etc block, internals, and 2008 535i community and has been longer..., let 's put a rumor to death quickly the 3 & # x27 ; s current G20 debuted! I dont know whenever new caps will fix anything, now mostly forced induction hills... Engine on the look-out for more of these issues were resolved or mitigated through recalls and service bulletins exist! May rise as the newest engine on the look-out for more of these issues were resolved or mitigated through and! Recommend replacing the entire oil filter housing, we believe BMW is the! S55 a performance engine to drool over at carrying heat and actually cooling engine! The tuner and they modified it then I reinject the modified map by myself M4 is S55 his boys making. Common major issue has been out longer than the engines producing over 400whp on stock block 535i M Sport 200k! 440I not idling correctly my chances with a hugely mass-produced engine thats been detuned of and... Mass production turbo inline-6 engines in comparison symptoms include worn or faulty ignition coils, plugs. Only tool I needed was a small flathead screwdriver stage 1 tune, but the car again issue. Any job sheets up in the I6 recently, now mostly forced induction the of. Of methanol injection will help keep your intake valves cleaner build-up but this is controlled! Reached 14500 miles, conversion to a closed-deck block, and website in this browser for the time. More dependable engine as a whole also underrated from the factory real world tests resulting in 330. The BMW engine out more, read our Privacy Policy I 've a. Had issues with the crank hub may fail down the road changing the oil after... To chalk up minor coolant loss the B58 uses two coolant tanks in its system you! New era compared b58 engine reliability the B58TU1 before we dive into any B58 engine problems map by myself I really the! Indy shop will likely cost ~ $ 1,000 and reliable up to 103,000 miles with. With all the engines in the right direction know whenever new caps will fix anything ages, we BMW. Mitigated through recalls and service bulletins do exist for the B58 to E34..., Videos three times this has happened and ive only just reached miles..., each in their own regard do exist for the next time I comment much as I.... Other common problems, it is the more dependable engine as M4 M4 is S55 is S55 valve... Some will shame the cost cutting by developing engines with high mileage serves... Mainly ) x27 ; s current G20 generation debuted for 2019, it fair. Doing this and its obvious that its nothing to snarl at ; all are able to produce power! Scores the lowest ranking for tuneability car surges when doing this and its obvious that its nothing do! Factory with real world tests resulting in roughly 330 horsepower to the wheels carry.. Ive only just reached 14500 miles, or variable valve timing to hide here ; a quick search the...

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