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
Scheme 126
M57 / M57TU / M57T2
Scheme 127
M67 / M67TU
Scheme 128
N47 / N47S / N47C / N47T / N57 / N57S / N57T
Scheme 129
M52 / M52TU
Scheme 130
M54
Scheme 131
M56
Scheme 132
N20 / N26
Scheme 133
N40 / N45 / N45T / N43
Scheme 134
N42 / N46 / N46T
Scheme 135
N51 / N52 / N52K / N52T / N53 / N54 / N55
Scheme 136
N62 / N62TU
Scheme 137
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. 5-8.
E72 Vehicles must be imprinted on the left side cyl. 5-8.
Scheme 138
N73
Scheme 139
S54
Scheme 140
S85 / S65
Scheme 141
W10 / W11
Scheme 142
N12 / N13 / N14 / N16 / N18 / W16
Scheme 143
W17
Scheme 144
Assemble engine.
Check suction operation on the exhaust flap
Pull off the vacuum line to the EPDW at the vacuum reservoir and seal the connection at the vacuum reservoir with sealing cap (1).
Pull off the vacuum line (2) to the exhaust flap and connect to special tool 2 201 924 and vacuum reservoir using T-piece.
Note. When the IMIB is used the absolute pressure is displayed.
Follow diagnosis instruction.