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Home >> BMW >> 2013 >> Z4 28i, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 1422 (Engine - Repair (N55, 2013-)) >> Engine, General >> Engine identification

Engine identification

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Engine number at the marked surface.

Replacement drives are already assigned a number containing the identification and engine number at the factory.

The old drive number must be imprinted for replacement crankcases.

Magnesium crank cases feature a label, the engine number does not need to be embossed.

Fig 1: Identifying Engine Identification Mark - N51/N52/N52K/N52T/N53/N54/N55
G11165215Courtesy of BMW OF NORTH AMERICA, INC.