Engine identification

WARNING: This page is about a different car, the 2011 BMW 750xi, 2011 BMW 750Lxi, 2010 BMW 750xi, and 2010 BMW 750Lxi. However, it is still accessible from the selected car via links, so may be relevant.

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.

M47/M47TU/M47T2

Fig 1: Identifying Engine Identification Mark (M47/M47TU/M47T2)

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M57/M57TU/M57T2

Fig 2: Identifying Engine Identification Mark (M57/M57TU/M57T2)

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M67/M67TU

Fig 3: Identifying Engine Identification Mark (M67/M67TU)

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N47/N47S/N47C/N47T/N57/N57S/N57T

Fig 4: Identifying Engine Identification Mark (N47/N47S/N47C/N47T/N57/N57S/N57T)

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M52/M52TU

Fig 5: Identifying Engine Identification Mark (M52/M52TU)

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M54

Fig 6: Identifying Engine Identification Mark (M54)

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M56

Fig 7: Identifying Engine Identification Mark (M56)

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N20/N26

Fig 8: Identifying Engine Identification Mark (N20/N26)

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N40/N45/N45T/N43

Fig 9: Identifying Engine Identification Mark (N40/N45/N45T/N43)

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N42/N46/N46T

Fig 10: Identifying Engine Identification Mark (N42/N46/N46T)

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N51/N52/N52K/N52T/N53/N54/N55

Fig 11: Identifying Engine Identification Mark (N51/N52/N52K/N52T/N53/N54/N55)

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N62/N62TU

Fig 12: Identifying Engine Identification Mark (N62/N62TU)

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Position (1) engine number.

Position (2) engine code letters.

N63, N63TU.

S63

N74

S63T0 to engine number 2001 0052 on right side cyl. 1-4.

S63T0 from engine number 2001 0053 on left side cyl. 1 5-8.

E72 Vehicles must be imprinted on the left side cyl. 5-8.

N73

Fig 13: Identifying Engine Number And Engine Code Letters

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Fig 14: Identifying Engine Identification Mark (N73)

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S54

Fig 15: Identifying Engine Identification Mark (S54)

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S85/S65

Fig 16: Identifying Engine Identification Mark (S85/S65)

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W10/W11

Fig 17: Identifying Engine Identification Mark (W10/W11)

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N12/N13/N14/N16/N18/W16

Fig 18: Identifying Engine Identification Mark (N12/N13/N14/N16/N18/W16)

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W17

Fig 19: Identifying Engine Identification Mark (W17)

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Assemble engine.