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Engine identification

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 Mark - M47/M47TU/M47T2
G10144595Courtesy of BMW OF NORTH AMERICA, INC.

M57/M57TU/M57T2

Fig 2: Engine Identification Mark - M57/M57TU/M57T2
G10144596Courtesy of BMW OF NORTH AMERICA, INC.

M67/M67TU

Fig 3: Engine Identification Mark - M67/M67TU
G10144597Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 4: Engine Identification Mark - N47/N47S/N47C/N57 N57S
G10144598Courtesy of BMW OF NORTH AMERICA, INC.

M52/M52TU

Fig 5: Engine Identification Mark - M52/M52TU
G10144599Courtesy of BMW OF NORTH AMERICA, INC.

M54

Fig 6: Engine Identification Mark - M54
G10144600Courtesy of BMW OF NORTH AMERICA, INC.

M56

Fig 7: Engine Identification Mark - M56
G10144601Courtesy of BMW OF NORTH AMERICA, INC.

N20/N26

Fig 8: Engine Identification Mark - N20/N26
G10144602Courtesy of BMW OF NORTH AMERICA, INC.

N40/N45/N45T/N43

Fig 9: Engine Identification Mark - N40/N45/N45T/N43
G10144603Courtesy of BMW OF NORTH AMERICA, INC.

N42/N46/N46T

Fig 10: Engine Identification Mark - N42/N46/N46T
G10144604Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 11: Engine Identification Mark - N51/N52/N52K/N52T/N53/N54/N55
G10144605Courtesy of BMW OF NORTH AMERICA, INC.

N62/N62TU

Fig 12: Engine Identification Mark - N62/N62TU
G10144606Courtesy of BMW OF NORTH AMERICA, INC.

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: Engine Number And Code Letters
G10144607Courtesy of BMW OF NORTH AMERICA, INC.

N73

Fig 14: Engine Identification Mark - N73
G10144608Courtesy of BMW OF NORTH AMERICA, INC.

S54

Fig 15: Engine Identification Mark - S54
G10144609Courtesy of BMW OF NORTH AMERICA, INC.

S85/S65

Fig 16: Engine Identification Mark - S85/S65
G10144610Courtesy of BMW OF NORTH AMERICA, INC.

S55

Fig 17: Engine Identification Mark - S55
G10144611Courtesy of BMW OF NORTH AMERICA, INC.

W10/W11

Fig 18: Engine Identification Mark - W10/W11
G10144612Courtesy of BMW OF NORTH AMERICA, INC.

W16

Fig 19: Engine Identification Mark - W16
G10144613Courtesy of BMW OF NORTH AMERICA, INC.

W17

Fig 20: Engine Identification Mark - W17
G10144614Courtesy of BMW OF NORTH AMERICA, INC.

W20

Fig 21: Engine Identification Mark - W20
G10144615Courtesy of BMW OF NORTH AMERICA, INC.

N12/N13/N14/N16/N18

Fig 22: Engine Identification Mark - N12/N14/N16/N18
G10144616Courtesy of BMW OF NORTH AMERICA, INC.

B37/B38/B47/B48/B57/B58

Fig 23: Engine Identification Mark - B37/B38/B47/B48/B57/B58
G10144617Courtesy of BMW OF NORTH AMERICA, INC.

Assemble engine.