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 p
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Principle
Run-flat tires permit continued driving under restricted
conditions even in the event of a complete
tire pressure loss.
General information
The wheels consist of tires that are self-supporting,
to a limited degree, and possibly special
rims.
The reinforcement of the sidewall allows the ti
REMOVING AND INSTALLING/REPLACING ALL CAM FOLLOWERS (N52K)
Special tools required:
11 4 480
Necessary preliminary tasks:
Remove cylinder head cover
Remove intermediate lever
Remove exhaust camshaft
IMPORTANT: Rocker arms (1) are divided into bearing categories.
The tolerance classes are mar