Minimum set: Mechanical tools
Note: For torsion angle tightening of cylinder head bolts (all engines) And
reinforcement plate front axle carrier
E46
Series: E12, E21, E23, E24, E28, E30, E30/C, E30tou, E31, E32, E32/3, E34,
E34tou, E36, E36/2, E36/3,
E36/5, E36/7, E36/C, E36tou, E38, E38/3, E39, E
REPLACING ALL SPARK PLUGS (N42, N40, N46, N45, N52, N52K, N51)
Special tools required:
12 1 171
12 1 200.
Necessary preliminary tasks:
Switch off ignition
Remove ignition coils.
Unscrew spark plugs with special tool 12 1 171.
Installation:
Tighten down spark plugs with special tool 12 1 171a