What is the difference between N57D30B and N57D30C?
Despite all sharing the same displacement and core architecture, there are three main versions: N57D30A – Standard output (single-turbo), 208–255 bhp. N57D30B (N57Z) – High output (twin-turbo), 308 bhp. N57D30C (N57X) – M Performance (triple-turbo), 375 bhp. N57D30Ox uses a single turbocharger, while N57D30Tx uses twin-turbochargers, and N57S uses three turbochargers of varying size.How does the M57 compare to the N57 engine? The M57 is simpler and more durable, while the N57 offers improved efficiency and slightly higher performance but can have electronic and timing guide issues.The N57 family encompasses multiple variants tailored to different performance levels and emissions standards, including single-turbo (e. N57D30O0 and N57D30O1), twin-turbo (e. N57D30T0 and N57D30T1), and triple-turbo configurations (e. N57D30S1 for M Performance models).
What replaced the N57?
The B57 replaced the previous N57 diesel engine, and was first introduced in the G11 7 Series. The B57 is available in configurations of up to 4 turbochargers, that operate in a double-series layout. Despite all sharing the same displacement and core architecture, there are three main versions: N57D30A – Standard output (single-turbo), 208–255 bhp. N57D30B (N57Z) – High output (twin-turbo), 308 bhp.
Which is better, N57 or M57?
BMW replaced the M57 with the N57 in 2008. While the newer engine brought more power, better emissions compliance, and lighter weight, it also came with known issues: timing chain failures being the most famous. The M57 engine, by contrast, is widely considered more reliable and easier to work on. Is BMW N57 engine is reliable? With proper maintenance and regular oil changes, the engine N57 is reliable and can exceed 150,000 miles without major issues. How do I know if my N57 timing chain is failing? A metallic rattling noise from the rear of the engine, especially during cold starts, is the biggest sign.As with the four-cylinder N47 the N57 engine is prone to excessive timing chain wear which can lead to premature failure.The N57 is more reliable than the N47 but less than the M57. There has been the odd bearing failure in N57s. You often see ex Police N57 engines cars for sale that have either had a new engine or are in need of one.If reliability, lower failure risk, and cheaper servicing are priorities, the better choice is the M47 or its later version, the M47N/M47N2. If you care about better performance, quieter operation, and modern technology, you can go for the N47 – but be prepared for possible timing chain failures and high repair costs.
Is M57 better than N57?
BMW replaced the M57 with the N57 in 2008. While the newer engine brought more power, better emissions compliance, and lighter weight, it also came with known issues: timing chain failures being the most famous. The M57 engine, by contrast, is widely considered more reliable and easier to work on. The M57 engine is highly reliable when regularly maintained. Many reach 300,000 miles without major issues. What are the common BMW M57 engine problems? Turbo wear, EGR valve blockages, injector failures, and timing chain issues are most common in high-mileage M57 engines.Models equipped with inline-six engines like the M54, N52, or B58—and diesel workhorses like the M57 or B57—frequently reach 300,000 miles or more. From million-mile E30s tested under lab conditions to 500,000+ mile M5s driven daily, the high-mileage BMW isn’t a myth—it’s a well-documented reality.
Is the BMW N57 a good engine?
Yes, the N57 is super reliable. Just be prepared to do timing chains if you keep it long term. Is BMW N57 engine is reliable? With proper maintenance and regular oil changes, the engine N57 is reliable and can exceed 150,000 miles without major issues. How do I know if my N57 timing chain is failing? A metallic rattling noise from the rear of the engine, especially during cold starts, is the biggest sign.