Spark Plug: Service and Repair

Replacing All Spark Plugs (M52, M52TU, S52, S50US, M54)

Removing ignition coils.







Unscrew and remove spark plugs with special tool 12 1 171 in conjunction with special tool 12 1 200.

Installation Note: If special tool 12 1 200 is not used, tightening torque, Spark plugs (ungreased) 23 ± 3 Nm.