B58 vs s55. BMW M54 vs. N52; BMW S54 vs. N54; BMW S55 vs. B58; BMW N52 vs. N20; BMW S65 vs. S85; BMW B58 vs. Toyota 2JZ-GTE; BMW N47 vs. B47; ABOUT; BMW M54 vs. N52 Comparison: Horsepower, Reliability, Tuning, & Sound. The M54 and the N52 engines from BMW will go down in automotive history as the last naturally aspirated straight-six engines made by the ...

1) The B58 is without a doubt the torquiest and packed the largest punch down low... can also be tuned heavily.... it felt like the best daily driver motor. 2) The S55 …

B58 vs s55. Nov 13, 2021 · The BMW M2 Competition is the more powerful car, so let’s check that one first. Its S55 engine is a 3.0 liter twin-turbocharged inline-six that makes 410 PS (405 horsepower) and 550 Nm (406 lb ...

Mar 9, 2021 · The BMW B58 engine can handle around 600-650whp and 550-600wtq on the stock block and internals. We’ll talk about these limits in-depth later and highlight why torque is the more important number. That’s our simple answer for now. However, there are a few quick notes that are imperative to keep in mind.

Dec 28, 2019 · 1) BMW S55 Tune. The first mod that comes to mind is a tune. A simple tune, such as the JB4, is able to push the S55 to 500+whp. This is already mind blowing power for a small 3.0L engine straight out of the factory. However, a tune only S55 is barely scratching the surface of its true potential. The B58 is a single turbo engine that sounds creamy and crisp primarily because of its single turbo setup. The S58 has 2 turbos that really muffle sound. This can be mitigated a bit via aftermarket parts such as: catted downpipes, catless downpipes, single midpipes, x-pipe midpipes, various axle backs, etc.

4. BMW N54 NGK 97506 2-Step Colder (500-700+whp) If you want one of the most proven BMW spark plugs then look no further. People run these spark plugs on everything from highly modded N54, N55, N63, S55, S63, B58, and more engines. They’re actually OEM spark plugs for the N20 inline-4 turbo engine.1) The B58 is without a doubt the torquiest and packed the largest punch down low... can also be tuned heavily.... it felt like the best daily driver motor. 2) The S55 …The old S55 engine is more powerful but the B58 is more effective than its specs suggest and is actually better to use. So what happens when you put the two head-to-head? In this new video from...At this point, it is more cost-effective to opt for a B58-powered BMW. While the N55 has a higher power ceiling than the N20, it is an open-deck engine without forged internals, and this ultimately limits its maximum power output. Tuneability Winner: N55. N20 vs. N55 Reliability & Common IssuesYes, the B58 engine does have an intercooler. However, it is not the common intercooler setup you would see on most turbo vehicles. While most forced induction engines use "direct" air-to-air cooling, the B58 intercooler uses an "indirect" water-to-air cooling system. ... N54 vs N55 N54 vs N55 vs B58 vs S55 2JZ vs N54: Join The Email ...The important changes between the N55 and S55 are the S55's closed deck block, stronger pistons, sodium filled exhaust valves, double-piston high pressure fu...The S55 is still comfortably faster in a straight line than a tuned B58 with more power. The B58 engine isn’t producing the real life speed that would be expected from the power it produces. With similar levels of tuned power the N55 is faster than the B58. Table of Contents show.The B48 engine in the G30 530i is more reliable than the N20 engine in the F10 528i. Similarly, the B58 engine in the G30 540i is a significant improvement in reliability over the N55 engine in the F10 535i. That said, the B family of engines will have costlier repairs if something goes wrong. Read more: N55 vs. B58 ReliabilityTo summarize for those who can't or don't want to watch it: The new B58 is a closed head, has forged pistons, rods, and crank, as well as sufficient oil cooling for plenty of extra power. That makes it similar to the 2JZ. However it has a twin scroll single turbo charger instead of twin turbos (EDIT: Sequential turbos) of the 2JZ as well as a ...

There are excellent single turbo setups that can support 500-1,000+whp. Twin turbo upgrades can support anything from roughly 450-700whp. Yes, some TT’s can and have made 750+whp. However, they’re few and far between. That’s in part due to the fact many people believe the N54 is simply better suited to a big single turbo at 700+whp.N54 vs N55 vs B58 vs S55 B58 vs B58TU BMW F30 Buyer's Guide: BMW N54 Content List. Performance & Tuning: N54 500 Horsepower for $1,500 N54 MHD Tuning Guide JB4 Data-Logging Guide JB4 vs COBB vs MHD Tunes: Bolt-On Mods: N54 FMIC Guide N54 Intake Guide N54 Downpipes Guide N54 Inlets & Outlets Guide N54 CP & …Nov 22, 2022 · The S55 and S58 are also BMW M designed engines while the B58 is a standard engine. The M3’s deliver more revs, power, and torque. 0-60 times are from BMW and are generally on the conservative side. these are refurbished in-house injectors, resealed, and includes decouplers. We have been in the N54/N55/S55 platform for a long while now. Time after time we see a countless amount of catastrophic failure due to failed N54 Piezo Injectors and N55/S55 Solenoid injectors.Neglecting these injectors leads to nothing but a money pit.Vader Solutions ...

MHD offers flash tunes for the turbo BMW N54, N55, S55, B58, and N13 engines. Their app is easy to use and makes tuning your BMW a breeze. However, the app is only available on android devices. Unfortunately, Apple prohibits the use of 3rd party USB cables, so iOS is out of luck (not completely)….

What's more - A2A cooling isn't holding N55 back. Efficient aftermarket Intercooler is as good if not better than S55 W2A. And you see how B58 struggle with cooling from its less capable W2A. The only correct engine for M2 in my book would be current N55 block + B58 turbo + S55 fueling and intercool system.

The MOTIV Re|Flex Plus is an Advanced I/O Integration module allowing a level of precise control of auxiliary components. In addition, the Re|Flex Plus can incorporate external data into the factory DME/ECU in parallel through optional CANbus integration. Utilizing the CANbus option, multiple digital and analog signals.There are excellent single turbo setups that can support 500-1,000+whp. Twin turbo upgrades can support anything from roughly 450-700whp. Yes, some TT's can and have made 750+whp. However, they're few and far between. That's in part due to the fact many people believe the N54 is simply better suited to a big single turbo at 700+whp.The B58 engine was named to Ward's World's 10 Best Engines 4 times, in 2016 (installed in the 340i), 2017 , 2019 and 2020. The S58 engine, which was released in early 2019, is the high-performance version of the B58. …SKU: KMSMULTI-DMEUNLOCK-N20. $250.00. Style: N20/N26 - 1 DME. N20/N26 - 1 DME N55 - 1 DME B48/B58 - 1 DME S55 - 1 DME S58 - 1 DME N63/S63 - 2 DMEs. Quantity: Add To Cart - $250.00. Description. IMPORTANT NOTICE: We have a verification process in place to confirm that we can unlock your DME before you ship this to us.

BMW M54 vs. N52; BMW S54 vs. N54; BMW S55 vs. B58; BMW N52 vs. N20; BMW S65 vs. S85; BMW B58 vs. Toyota 2JZ-GTE; BMW N47 vs. B47; ABOUT; BMW B48 Reliability & Engine ... MHD offers flash tunes for the turbo BMW N54, N55, S55, B58, and N13 engines. Their app is easy to use and makes tuning your BMW a breeze. However, the app is only available on android devices. Unfortunately, Apple prohibits the use of 3rd party USB cables, so iOS is out of luck (not completely)….iTrader: ( 0) Quote: Originally Posted by hayko_M340. Hello, looking into changing plugs on my M340i, nearing 28k miles. I saw the differences between the normal B58 and B58TU1 plugs which many people don't realize. Majority of the time I run stock 91 tune, but once in a while bump up the boost with E40 mix for a tank or two.S55�Engine 1.�Introduction 1 1.1.�Highlights The�S55�engine�is�the�successor�to�the�S65�engine.�Similar�to�the�engines�in�the�X5M,�X6M,�F1x�M5/ M6�and�F06�M6�with�S63�engine,�the�S55�is�based�on�a�production�engine�of�BMW�AG.�As�the�engineWelcome to the G20 BMW 3-Series Forum. Welcome to BIMMERPOST, the ultimate BMW forum and community! You will have to REGISTER before you can post: click the register link above to proceed. However, feel free to browse all you want until you are ready to register. 2019+ BMW 3 AND 4-SERIES FORUMS (G2x Generation)This B58 JB4 model is compatible with all GEN1 and GEN2 B58 motors. For the newest B58TU2 GEN3 motor refer to this product page. JB4_B58 is CARB Approved Under Executive Order (EO) No.D-744-4 for all 2016-2018 BMW 230i, 330i, 430i, 530i, 340i, 440i, 740i, M240i, and X1 applications.We finally wrote some methanol injection guides for the N54 and B58 engines a couple of months back. Now it's time to show the N55 some love and discuss water-methanol injection. ... N54 vs N55 N54 vs N55 vs B58 vs S55 2JZ vs N54: BMW N55 Content List. Performance & Tuning: 400whp N55 for $1,500 N55 E-Chassis MHD HP Gains N55 F-Chassis MHD HP ...The important changes between the N55 and S55 are the S55's closed deck block, stronger pistons, sodium filled exhaust valves, double-piston high pressure fu...Oct 11, 2022 · Unlike the N55, the B58 features a closed-deck engine design. It also offers 20% more boost pressure and an increased compression ratio of 11.0:1. The B58 is a marginally larger engine — displacing 2,998cc compared to the N55’s 2,979cc — and weighs 18 lbs more, but while making notably more power. these are refurbished in-house injectors, resealed, and includes decouplers. We have been in the N54/N55/S55 platform for a long while now. Time after time we see a countless amount of catastrophic failure due to failed N54 Piezo Injectors and N55/S55 Solenoid injectors.Neglecting these injectors leads to nothing but a money pit.Vader Solutions ...B58 S55 Universal Turbos Garrett AGP Borg Warner Precision Pure Vader Solution. DAW N54 Flow Max + 19T. Sold Out View. Dynamic Autowerx. DAW N54 Stage 2+ (775RS) 17T. Sold Out View. Vader Solution. N54 Twin Turbo Replacement Kit. Sold Out View. Vader Solution. Pure 600’s Twin Turbos N54 ...BMW N54 vs N55 vs B58 vs S55: Performance & Reliability. By Zach Mayock May 20, 2019 July 18, 2023. Ever since the twin-turbo N54 hit the market in the 2007 BMW 335i, BMW has been building on the design of the turbocharged, direct-injected inline 6 engine. In 2010, the 335i received the updated N55 engine followed by the B58 in 2016, …Added one old b58 O1 variant. October 5, 2023 17:40. F series N20. N20 ewg euro rom. May 3, 2021 16:03. F series N55 S55 N13. Fixed antilag boost deviation min/max. August 29, 2023 16:54. FlexFuel/ Motiv ECA Firmware. Delete FlexFuel/Calibration Format Tool directory. June 30, 2022 10:47. N54.BMW N54 vs N55. BMW N54 vs N55 vs B58 vs S55. One of the most notable differences are the turbochargers. The N54 features a true twin turbo setup while the N55 receives a single twin-scroll turbo. It's generally understood that the N55 took a step down from the N54 in the performance department.Most N54’s run a 50/50 mix and we tend to agree with this being a solid option. We advise against running more than 50% methanol. The S55 powered M4 GTS actually utilizes 100% water injection. Even injecting straight water will help with performance. Water is great at absorbing heat, cooling temperatures, and acting as a knock suppressant.An S55 powered M3 can be found for roughly $10,000 more than a B58 car. The B58 is a great engine, but the S55 is better. Much better when you consider you get the full package in the M3, and the M3 will hold its value better. For that reason, the B58 scores the worst value rating. Is the S55 twin turbo? The S55 is essentially a strengthened ...Insulator thickness at the end of the threaded section. NGK 4.77mm. Champion 4.33 mm. Depth of insulator nose (from electrode strap measuring to inside of the threaded section) NGK has 2mm less depth compared to the Champion plug. NGK has a shorter, thicker insulator nose and should be colder than the Champion.Mar 9, 2021 · The BMW B58 engine can handle around 600-650whp and 550-600wtq on the stock block and internals. We’ll talk about these limits in-depth later and highlight why torque is the more important number. That’s our simple answer for now. However, there are a few quick notes that are imperative to keep in mind.

The BMW F-series B58 engine is found in a wide array of BMW vehicles (M140i, M240i, 340i, 440i). The motor is similar to the S55 engine found in the latest generation F8x M3/M4 (and new M2 competition) in that it has an indirect water-to-air charge cooling system with a supplemental front mount heat exchanger to cool the water that circulates through the charge cooler.N55 vs B58 (M135i vs M140i) On a technical level, the differences are wide ranging, N55 is open deck, B58 is closed deck. N55 is air-air intercooled, B58 is water-air charge-cooled. ... Is the B58 stronger than the S55? As you can see, now the B58 is really getting somewhere. It is making significantly more power than the S55 right up to ...BMW B58 vs S55 Testing; BMW M2 Competition vs BMW M4 Competition Testing; Fiesta ST Tuning - Ford 1.5 Ecoboost Development and Results. Abarth Tuning - 695 Rivale 180; BMW 320i B48 Tuning; Abarth Tuning Guide; M135i vs M140i (N55 vs B58) Ford Ranger Remap; Blog; Account. Login/Register. Search. Search. Advanced Search. All Categories.Also, the B58 is a closed aluminum deck, but the EA888 in the S3/R is a closed deck iron block engine with years of tuning history. The EA888 being an iron block is a big plus to it. Usually the EA888 is the last thing to blow in an S3/R. The B58 is comparatively new.Jake currently owns two N54 powered BMW's - an E60 535i and E82 135i. Jake has 10 years of experience maintaining, repairing, and upgrading his BMW's. The 135i features a single turbo Precision 6266 conversion capable of 700+whp; Jake completed the entire project on his own. With over 200 automotive articles published, Jake brings a ...B58 72 S55 Voting closed 2 29 29 comments Best Add a Comment papi3100 F82 M4 • 9 mo. ago End of day it doesn't really matter…B58 is newer and has better cooling system, S55 lighter engine and more track designed. Anyone can tune either engine to make more power than the other so it's a pointless argument.

N54 vs N55 vs B58 vs S55 B58 vs B58TU BMW F30 Buyer's Guide: BMW S55 Content List. Performance & Tuning: 600whp S55 for $2,000 S55 BM3 Tuning Guide: Bolt-On Mods: S55 Intake Guide S55 Downpipes Guide S55 Intercooler/Heat Exchanger Guide S55 Charge Pipe Guide S55 Water Meth Injection (WMI)ProECU Tuning Guide. The B58 engine, found in BMW vehicles as well as the MKV Toyota Supra, continues the trend with manufacturers moving toward modeled systems in the ECU. Looking at the diagram below we can begin to get an idea of how the different systems are put together. While some information is shared between the …Bootmod3 Stage 1 HP. 91 Octane: 470-485whp / 490-510wtq. 93 Octane: 485-500whp / 500-520wtq. A bone stock S55 M3 or M4 will generally dyno somewhere in the 400-420whp and 410-430wtq ballpark. S55 bm3 stage 1 tunes will likely fall in the ballpark of 470-500whp depending on fueling.Compared to the stock N54/N55 ignition coils the B58 coils are capable of producing 2.3x the energy output while providing a longer spark duration than the Precision Raceworks N54/N55 coils. The B58 coils are a coil on plug design that removes the need for additional spark plug wires and utilizes the same mounting location as the stock coils ...F-Series S55/N55 - OEM Fuel Hat ... *** NOTE *** B58 Gen1 G-Series and Gen2 G-series/A9x Supra vehicle plug and play harness and flex fuel sensor adapter are in the works *Flex Fuel Sensor Provided* We are proud to bring out this truly awesome product that makes getting the required Flex...BMW B58 vs. N55 Changes. Compared to its predecessor, the N55 engine, the B58 received a number of changes alongside the change away from the modular N-series engine to the new B-series. ... BMW N54 vs N55 vs B58 vs S55: Performance & Reliability. By Zach Mayock. B58 Engine Specs. Configuration: Inline-6: Displacement: 2,998cc (3.0L) Aspiration ...The B58 in the M340i sounds better than the S55 in the F80. On the other hand, the B58 of the G20 M340i has a deeper and richer engine note. It sounds elegant and quiet with the factory exhaust, but if you want to make it louder and more aggressive, a simple catless downpipe can enhance engine sound tremendously. BMW B58 vs S55 Testing; BMW M2 Competition vs BMW M4 Competition Testing; Fiesta ST Tuning - Ford 1.5 Ecoboost Development and Results. Abarth Tuning - 695 Rivale 180; BMW 320i B48 Tuning; Abarth Tuning Guide; M135i vs M140i (N55 vs B58) Ford Ranger Remap; BlogThe S58 has a slightly larger bore and shorter stroke (84.0/90.0) compared to the B58 (82.0/94.6). Displacement is technically down five cc, and it’s still an undersquare engine. Theoretically ...As you can see, now the B58 is really getting somewhere. It is making significantly more power than the S55 right up to 5800RPM, and over 100HP extra at 2500RPM ...The B58 is probably the better engine for street use and light track use where the thermal limitations will not be seen. S58 is a beast and no one will be looking back at S55 once they see what it can do in the upcoming M3/M4. I would buy a Supra if it came with a manual and a bit more aggressive suspension setup.B58 Common Problems S54 Common Problems S55 Common Problems S62 Common Problems S65 Common Problems S85 Common Problems Diagnosing a Failing VANOS System: Engine Mod Guides: N52 Bolt-On Mods Guide N54 500hp for $1,500 N55 400whp for $1,500 B58 500hp for $1,500 B48 300whp for $1,500 N20 350hp for $1,500 S63 700+hp for $1,500 S55 600+whp for $2,000F22, F25, F3x, F1x, F4x, and F8X with N55 and S55 engines. F series Gen1 B58B30M0 Engine with Automatic Transmission (Any HPFP) G30(5 Series), G01 (X3 Series) Gen1 B58 Engine with Automatic Transmission (Any HPFP) G20 , Supra, G01 (X3 Series), G30 (5 Series) Gen2 B58 Engine with Automatic Transmission (Any HPFP) - EcuTek OnlyA lot of that has to do with the B58's larger size. The inline-6 B58 is around 50% larger than the inline-4 B48. Generally speaking, it is harder to stress a larger engine than a smaller one due ot better heat dispersion characteristics. That makes the B58 a bit more reliable than the B48. With that being said, both engines are exceedingly ...How do the BMW N54 vs N55 vs B58 vs S55 stack up against each other? BMW N54 Since the initial release of the BMW N54, the engine has gained quite a positive reputation in the tuning community.On the n20/n55/s55, you can swap in s63tu injectors to have about 25-40% more flow. Sure a custom tune + upgraded HPFP is necessary, but they work with install + coding via ISTA+. ... The B48/B58 part numbers for injectors - 13538625396 (HPFP about 2800psi stock). The B48TU/B58TU part numbers for injectors - 13538656548 (HPFP about 5000psi ...Compression Ratio: 11.5:1 Engine Weight: 452lbs Horsepower: 405-493 hp Torque (lb-ft): 295-406 lb-ft The BMW S55 is a 3.0L inline-6 engine that utilizes two mono …B58 hits you with a wave of torque early on in the midrange and pulls strongly all the way to redline. It's very entertaining on the street. S55 does not hit you as hard initially but pulls so much more strongly to redline and just keeps pulling and pulling. It's much more linear and motorsport-oriented.

BMW B58 vs S55 Testing; BMW M2 Competition vs BMW M4 Competition Testing; Fiesta ST Tuning - Ford 1.5 Ecoboost Development and Results. Abarth Tuning - 695 Rivale 180; BMW 320i B48 Tuning; Abarth Tuning Guide; M135i vs M140i (N55 vs B58) Ford Ranger Remap; Blog; Account. Login/Register. Search. Search. Advanced Search. All Categories.

Dyno Proven Performance Gains on the BMW M140i POWER: ⏫7️⃣5️⃣PS TORQUE: ⏫1️⃣0️⃣5️⃣Nm The BMW M140i is fitted with the B58 engine and is one of the most...

BMW M54 vs. N52; BMW S54 vs. N54; BMW S55 vs. B58; BMW N52 vs. N20; BMW S65 vs. S85; BMW B58 vs. Toyota 2JZ-GTE; BMW N47 vs. B47; ABOUT; BMW B48 vs. B58: Horsepower, Tuning, Reliability & Sound. The BMW B48 and B58 engines are part of BMW's modern modular B engine family, offering enhanced power and efficiency over their predecessors.N55 vs B58 (M135i vs M140i) On a technical level, the differences are wide ranging, N55 is open deck, B58 is closed deck. N55 is air-air intercooled, B58 is water-air charge-cooled. ... Is the B58 stronger than the S55? As you can see, now the B58 is really getting somewhere. It is making significantly more power than the S55 right up to ...Nov 18, 2022. #9. S58 is a racing engine compared to the B58 tractor engine. Revs matter and in time we will have 9,000 rpm S58 when the B58 tractor won't push past 7,500 without trouble. Everyone's opinion on sound will change when they hear the S58 spin up and leverage the inherent benefit of being a i6. Low end torque is a waste in ...即使硬體規格大致承襲B58B30設計,但M GmbH為滿足自我的高性能要求,在S58B30引擎身上也經過相當幅度的變革!. 相較於採用82.0mm缸徑X94.6mm衝程、2998cc的B58,S58因缸徑X衝程變更為84.0mmX90.0mm致使排氣量下縮到2994cc,不過汽缸內壁看齊「前輩」S55採用電弧噴塗技術 ...The only point at which the S55 is now beating the B58 is in a narrow band between 6000 and 6600RPM, and still only by a maximum of 17hp. Will the supra get the S58? According to a new report from Spyder7, the GRMN Supra will, in fact, get BMW's S58 inline-six from the M3 and M4, it will supposedly be tuned to deliver some 533 horsepower ...Compared to the B58, if both cars experience turbo failure, the BMW would likely come out as being significantly less expensive to repair. Win for BMW. However, I suspect that the Z as a whole is overall more reliable. The chassis electronics, HVAC, trim, lighting, etc will likely be far more reliable than the BMW.Product Details. Compared to the stock N55 and S55 ignition coils the B58 coils are capable of producing 2.3x the energy output while providing a longer spark duration than the Precision Raceworks N55 coils.The B58 coils are a coil on plug design that removes the need for additional spark plug wires and utilizes the same mounting location as the stock coils providing excellent clearance for ...Conclusion. The B58 and S58 engines are both impressive pieces of engineering that offer unique benefits to drivers. The B58 is a versatile and reliable engine that provides smooth power delivery and good fuel efficiency, while the S58 is a high-performance engine that offers incredible acceleration and speed.

tier list ssbmrausch funeral home obituariesfuture publix adsteve jbara atomic honey B58 vs s55 smog check mira mesa [email protected] & Mobile Support 1-888-750-8057 Domestic Sales 1-800-221-4194 International Sales 1-800-241-6201 Packages 1-800-800-4905 Representatives 1-800-323-3537 Assistance 1-404-209-8309. Dec 28, 2022 · BMW B58 BM3 Tuning Guide – Info & Horsepower Gains. By Zach Mayock August 4, 2020. Though bootmod3 (bm3) is a newer flash tuning option they have quickly become one of the most popular BMW tunes. Pro Tuning Freaks bm3 offers a web interface and mobile apps for simple flash tuning. . kohls mason ohio 2) Big Boost S55 Turbo Upgrade (750-900+whp) Price: $5,500. Big Boost is another company well known in the BMW world for their single turbo kits. They did some excellent work on the B58 and were the first to set many power records on that platform. Their S55 single turbo kit is also a great looking option.Our Industry Leading B58 Pure800 for first generation B58 BMW platform (F3x & F2x) ... BMW M2/M3/M4 S55 PURE Stage 2 HF Upgrade Turbos. Select options. Subscribe To Our Newsletter Get all the latest information on events, sales and offers. OEM Upgrade Turbos, OEM replacement Turbos, Aftermarket Turbos, Horsepower. nursing badge reference cardsnurselogic priority setting frameworks advanced The important changes between the N55 and S55 are the S55's closed deck block, stronger pistons, sodium filled exhaust valves, double-piston high pressure fu... wells fargo center seat mapgas stations selling kerosene near me New Customers Can Take an Extra 30% off. There are a wide variety of options. The Eldor S55 ignition coils can fit N54,N55,S55 BMW Direct Ignition Coil - Eldor 12138616153 In Stock BMW has had an ongoing problem with spark degradation through the direct ignition system.300-335 HP. Torque (lb-ft) 300-332 lb-ft. The BMW N54 engine utilizes a twin turbo, direct gasoline injection design. It's the first mass production engine from BMW to feature this technology together. An aluminum open-deck block and aluminum head help keep weight down. A forged crank and rods deliver solid strength.Exactly. N55 and S55 are 2 steps colder than OEM to begin with iirc. Heat ranges aren't a very big deal unless you're too hot or too cold, but too hot can be bad. Too cold can misfire and foul if you put around town for short trips and the engine never even gets up to temp, but too hot can cause knock.