Removal & Installation
NOTE:
This repair instruction is valid for the following engines:>
- M52 / M52TU / M54 / M56
- S52 / S50US
Necessary preliminary tasks:
- Remove Ignition Coils .
Unscrew and remove spark plugs with special tool 12 1 171 in conjunction with special tool 12 1 200.
Installation:
If special tool 12 1 200 is not used,
Tightening torque, see 12 12 1AZ in ENGINE ELECTRICAL SYSTEM - TIGHTENING TORQUES .