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.

M47/M47TU/M47T2

Fig 1: Engine Identification Label (M47/M47TU/M47T2)

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M57/M57TU/M57T2

Fig 2: Engine Identification Label (M57/M57TU/M57T2)

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M67/M67TU

Fig 3: Engine Identification Label (M67/M67TU)

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

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

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M52/M52TU

Fig 5: Engine Identification Label (M52/M52TU)

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M54

Fig 6: Engine Identification Label (M54)

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M56

Fig 7: Engine Identification Label (M56)

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N20/N26

Fig 8: Engine Identification Label (N20/N26)

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N40/N45/N45T/N43

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

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N42/N46/N46T

Fig 10: Engine Identification Label (N42/N46/N46T)

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

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

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N62/N62TU

Fig 12: Engine Identification Label (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.l 5-8.

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

Fig 13: Identifying Engine Number And Codes

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N73

Fig 14: Identifying Engine Identification Mark (N73)

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S54

Fig 15: Engine Identification Label (S54)

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S85/S65

Fig 16: Engine Identification Label (S85/S65)

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S55

Fig 17: Engine Identification Label (S55)

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W10/W11

Fig 18: Engine Identification Label (W10/W11)

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W16

Fig 19: Engine Identification Label (W16)

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W17

Fig 20: Engine Identification Label (W17)

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W20

Fig 21: Engine Identification Label (W20)

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N12/N13/N14/N16/N18

Fig 22: Engine Identification Label (N12/N13/N14/N16/N18)

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B37/B38/B47/B48/B57/B58

Fig 23: Engine Identification Label (B37/B38/B47/B48/B57/B58)

Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.