All about the BMW M54 engine in the E46 3-series, E39 5-series, X3, X5, Z4 and more BMW’s. M54 engine problems and bolt-ons guides. More M54 content coming in the future!
Let’s face it, BMW doesn’t have the best reputation for reliability. When I told my father that I had just purchased a 30-year-old BMW 325i for a daily driver, he nearly laughed me out of the room. He, along with all of the wannabe comedians in my family loved throwing the oh-so-creative “Big Money Waster”…
The BMW E46 is a fan-favorite 3-Series chassis. Not only is it known for its fantastic chassis dynamics, but also its overall reliability and comfort. Along with some 4-cylinder options, the non-M E46 was known for its two inline-6 powertrains including the M52TU in early models and M54 in late models. Both engines received critical…
In 1995, BMW was facing some tough competition. Mercedes were cooking up the next E-Class which would release in 1996, with all of the luxury and technical prowess that the world had come to expect from BMW’s Stuttgart-based neighbors. Audi was putting out some winners too. The 1995 Audi A6 might not have been able…
To date, BMW has released the 3-Series over seven generations. As the most recognizable and celebrated model of the entire BMW lineup, the 3-Series epitomizes the fun daily driver. To the die-hard BMW enthusiasts out there, a battle rages on in regard to the 3-Series. Which generation is the best? While some BMW enthusiasts claim…
Most owners of M54-powered BMWs will attest that the factory exhaust system is overly restrictive. The factory M54 exhaust headers are severely bottlenecked near the mounting flange, making it more difficult for exhaust gasses to escape through the exhaust system. Reduced power, torque, and throttle response are the results. Aftermarket, high-flow headers are the easiest…
Anyone that owns a BMW E30 325i knows that the factory M20B25 2.5L engine leaves a lot to be desired in the horsepower department. While the factory 6-cylinder is certainly enough to get a 2600 lb 325i going under its own weight, you won’t be winning any drag races. Other than adding forced induction to…
The BMW M54 engine first hit markets in 2000. It’s available in 2.2L, 2.5L, and 3.0L variants that offer 170-228 horsepower. It may not sound like a lot by today’s standards and it’s probably not. However, the performance is highly impressive for the early 2000s and the E46 BMW’s are pretty light. There’s no question…
Differenzierte Sauganlage – and because German’s can’t pronounce this either, BMW just took the first two letters from each word and called this the DISA Valve. BMW’s engineers discovered that the air path through the engine system has an impact on performance. In an effort to improve performance, BMW released the DISA valve in 1995….
Whether you’re new to BMW or a long-time enthusiast, engine reliability and problems are always a topic of conversation. BMW is held in high regard to their straight six engines, with the M54 being an iconic engine. The M54 engine is a naturally aspirated inline-6 that was primarily featured in the 2000-2006 E46 3-series, in…
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