![]() The technical update versions of the M52 received some significant upgrades that would go on to inform the M54 engine to follow. These updated variants were given the “technical update” title, designated by a “TU” in the middle of the engine codes (i.e. In addition to the base models listed above, each of the variants also received an updated version in 1998 to introduce new upgrades to the M52 platform. There was also a 2.4L variant available in Thailand only. The most common displacements included the 2.0L M52 called the M52B20, the 2.5L M52 called the M52B25, and the 2.8L M52 called the M52B58. The BMW M52 engine came in a variety of displacement options depending on the model in which they were placed. Like the M50, the M52 also made use of an aluminum cylinder head.ĭisplacement: 1,991 cc (121 cu in) - 2,793 cc (170 cu in) While M52 engines in the majority of the world received lighter aluminum blocks, the North American spec engines retained the M50’s cast iron block design. In many ways, the M50 and M52 engines are nearly identical, both in terms of construction and design. Pin BMW M52 Engine SpecsīMW had learned from the previous generation M50 straight-6 engine and worked to improve the formula. In this guide, we’ll cover the BMW M52 engine and discuss its stats, some of the most common modifications, and some of the engine's most common problems. While forced induction is a common route, there are plenty of naturally aspirated M52 modifications that can yield a significant performance gain. Due to the fact that the M52 is an extremely strong and resilient motor with bulletproof internals, the M52 is a choice engine to modify. ![]() ![]() While the M52 provides respectable power, especially in M52TUB28 form, there is plenty of room for additional performance. While you might expect there to be more significant changes between engine generations, the M50 served as a fantastic starting point that proved to be extremely reliable while producing ample power. The engines are nearly identical, barring differences in displacement, VANOS arrangement, and a number of small design tweaks. The BMW M52 evolved from the BMW M50 engine that preceded it. The BMW M52 engine was a critical part of that revision process and an engine that served as a stepping stone for other BMW straight-6s to follow. Since then, BMW has revised and perfected their 6-cylinder formula to a point where they truly hold the crown. A lot of BMW’s straight-6 expertise comes from extensive experience, with the first BMW inline-6 being released in 1917. Among many other things, BMW is famous for their straight-6 engines.
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