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.
Engine and Powerplant Identification Code
BMW Parts and Accessories
M47 / M47TU / M47T2
M57 / M57TU / M57T2
M67 / M67TU
N47 / N47S / N47C / N47T / N57 / N57S / N57T
M52 / M52TU / M54
M56
N20 / N26
N40 / N45 / N45T / N43
N42 / N46 / N46T
N51 / N52 / N52K / N52T / N53 / N54 / N55
N62 / N62TU
N63, N63O1. N63O2, S63, N74, N74O1, S63T0
Position (1) engine number.
Position (2) engine code letters.
N63, N63O1. N63O2
S63
N74, N74O1,
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
N73
S54
S85 / S65
S55
W10 / W11
W16
W17
N12 / N13 / N14 / N16 / N18
B37 / B38A / B47 / B48A
n the area of the oil sump
B38B / B48B
B38
B57
B58
