For example, the G20 330e has a "XB1142O1" powertrain consisting of the B46 gas engine and GC1P25M0 electric battery/motor.
#Best bmw vin decoder code#
We haven't seen a key that explains the code but it will start with "XB1". PHEV (Partial Hybrid Electric Vehicle) use an additional powertrain code for the engine + electric motor. After the S63 the S engines more closely follow the corporate code key from the N engines. S engine codes roughly use the format of the M engine key all the way up to the S63 engine in 2009. We've listed one N engine code key above but acknowledge there may be several other variations out there.īMW M GmbH were also slow to adopt newer code logic. The technology is changing so often that even the internal logic can't agree. Surprisingly, BMW does not often play by its own rules and follow its own corporate logic. The official motorsport race engines use a "P" code.Ĭlick on an image below to view the breakdown for each engine family. The format now in use traces back to the mid-1980s. BMW engine codes are designed to provide a lot of information about the engine design and technology in a short amount of space. Standard BMW engines use a "M", "N", or "B" code. But as the range of BMW engines expanded they needed a more meaningful code designation.
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The engine codes used to be quite simple - M10 for four cylinder, M20 for small six cylinder, and M30 for the Big Six. BMW engines are known by their M, N, B, S, P, or W codes while BMW chassis and bodies are known by their E, F, G, or U codes. These code systems help keep planning and development organized and avoids confusion.
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For BMW these are known as chassis codes and engine codes. Every car manufacturer assigns an internal code designation to identify their vehicles.