General Information
Working on ignition system
Removing and installing electronic control units
Welding work (overload protection of control units)
Disconnecting and connecting battery
Disconnec
IMPORTANT:
Disconnecting the vehicle battery will cancel the fault memories
of control
units. Consequently, before disconnecting the car's battery, always
interrogate the fault memories. Invest
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