Is the B58 more reliable than the B48?
As for the B48 vs B58 comparison, there isn’t a clear winner for reliability. A lot of it simply comes down to maintenance, repairs, and some luck of the draw. BMW’s N55 was in its twilight years when the new and improved B58 came into production, with mostly new parts and many upgrades to set it apart from the N55 and set it up for success as one of the brand’s most reliable and flexible engines ever.The BMW B58 engine has earned a strong reputation among car enthusiasts for its smooth power delivery and reliability. Found in popular models like the 340i, 540i, and Z4, the B58 BMW engine is known for being a solid all-round performer.While both the N55 and B58 engines offer impressive performance and reliability, the B58 engine is the clear winner in terms of power output, cooling efficiency, and tuning potential. Its more advanced design makes it the preferred choice for enthusiasts looking for greater performance and long-term reliability.As for the B48 vs B58 comparison, there isn’t a clear winner for reliability. A lot of it simply comes down to maintenance, repairs, and some luck of the draw.The short answer is yes. When maintained correctly and frequently with high-quality parts, the B58 is a very reliable engine – especially compared to older BMW straight-six engines like the N54 and N55. However, there are a number of common issues to be aware of – especially when servicing is neglected.
Is the B58 faster 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 5800RPM, and over 100HP extra at 2500RPM. 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. The B58 also features an engine-mounted heat encapsulation system to reduce engine wear and emissions during start-up. For durability and longevity, the rotating assembly has a forged steel crankshaft and forged connecting rods.The turbocharger helps the B58 produce a broad torque curve, with maximum torque available at a low 1,500 RPM, ensuring responsive acceleration.The standard B58 engine produces between 322 and 382 horsepower, depending on the model and year.Its robust engine architecture makes it a popular platform for aftermarket tuning. The B58 responds well to modifications such as ECU tuning, air intake, upgraded low pressure fuel pump, upgraded high-pressure fuel pump and exhaust upgrades, which can significantly increase its power output.
Is the B58 better than the 2JZ?
Not sure who needs to hear it but for the majority of owners, the B58 is a vastly better engine to have than the 2JZ. It’s lighter, it’s more responsive, and it’ll still hit 600 on a stock long block. More than enough for most, because not every 2JZ out there is a 1000+hp monster, contrary to popular belief. The B58 3. Supra and so many other BMW models is a legend in its own time. A more than worthy successor to the 2JZ, and one of the best engines on sale today.The BMW B58 engine is widely regarded as a reliable and durable powerplant, especially compared to earlier BMW turbocharged engines.BMW N63. It must the V8 engine will be included as one of the most reliable engines. The engine was used in models like the BMW F10 M5 and the BMW F15 X5 and had a beautiful sound that will surely make a car enthusiast fall in love with the engine.Performance: The B58 outperforms the N55 in terms of raw power. With more horsepower and torque on tap, the B58 is more responsive and quicker, especially in higher-performance variants like those found in the M340i and Z4 M40i.
Which is better, N55 or B58?
In conclusion, while both the N55 and B58 are incredible engines in their own right, the B58 edges out the N55 in terms of overall performance, efficiency, and future-readiness. That said, the N55 remains a fantastic engine for those who prioritize proven reliability and aftermarket potential. Valve Cover Gasket As with many modern BMW engines, the S55’s valve cover gasket is prone to cracking and leaking oil. As the vehicle ages, the gasket rubber hardens and with endless heat cycles, the gasket eventually cracks – allowing oil to leak out. This is a very common issue for the S55.The N55 still suffers from the classic oil filter housing and valve cover oil leaks that most BMW straight-six engines fight. The cooling system with its electric water pump can be a pain to deal with too. But overall, there are mostly just maintenance items to worry about here.Oil leaks are a common concern for BMW M140i owners. The B58 engine, although known for its performance and reliability, is susceptible to oil leaks from various points, including the valve cover gasket, oil filter housing gasket, and oil pan gasket.
Is the B58 similar to the 2JZ?
The 2JZ has a perfectly squared setup with a 86mm bore and 86mm stroke, while the B58 is an oversquared setup with 82mm bore and a 94. The 2JZ also runs lower compression ratios at 8:5:1 when compared to the 11:0:1 in the gen1 B58, and 10:2:1 in the gen2 and gen3 B58 variants. JZ-GTE Vs 2JZ-GTE conclusion The 2JZ-GTE is the winner! Both engines are absolutely fantastic, both engines are very similar in factory performance and in tuning potential, while the 2JZ-GTE has some advantages due to it’s displacement so the 1JZ-GTE has advantages due to it’s slightly cheaper cost.