The BMW M56 is a 2.5-liter 184-PS (135 kW; 181 bhp) straight-six engine. It is a re-engineered version of the BMW M54B25 engine, manufactured in order to meet SULEV regulations in US states until 2006.

Nov 15, 2009 · What it the difference between an M54 vs an M56? I just bought a 2003 BMW 325Ci .. does anyone know which it is?

Mar 17, 2008 · Yes its a m56...as far as intake options I'm clueless. I do know that you're rocking some M54 parts such as intake manifold, MAF and other parts. Wow, there is a M56 engine? Does it have Valvetronic? How is it different from M52 and M54? Well I only ask because upon inspecting engine it doesn't look like a sulev motor.

Sep 27, 2022 · BMW M54 Radiator vs. BMW M56 Radiator. The M54 and M56 are similar engines only on paper. In reality, they are very different from each other. Unsurprisingly, they required two different radiators. One of the most notable differences was that the M56 radiator featured what BMW called a ‘Direct Ozone Reduction System’. This was a base metal ...

BMW M GmbH, formerly known as BMW Motorsport GmbH, is a subsidiary of BMW AG that manufactures High-performance luxury cars. BMW M ("M" for "motorsport") was initially created to facilitate BMW's racing program, which was very successful in the 1960s and 1970s.

Feb 6, 2025 · In this article, we will delve into the specific problems associated with the BMW M56 engine, shedding light on the common failures, their implications, and what owners can do to mitigate these issues.

BMW M56, a straight-6 automobile engine The core of the ATI Radeon Mobility X1600 graphics processing unit M-56 steel helmet , designed in East Germany in 1956

Feb 18, 2018 · A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. Come join the discussion about M performance, turbo kits, engine swaps, builds, modifications, classifieds, troubleshooting, maintenance, and more!

Nov 1, 2017 · I'm strongly considering a wagon 04 3series touring M56 engine. It's said to have the blown head gasket. Had been sitting for maybe 6mos. I can get it for a good price...under $600. Any have one of these wagons? I will be used as a family car...in case one of our primary cars goes down.

Mar 19, 2025 · Explore common BMW M56 engine problems, their causes, solutions, and owner insights to keep your vehicle running smoothly.