Spark Plug: Service and Repair

12 12 011 - Replacing all spark plugs (N62, N62TU)





Special tools required:
- 12 1 171
- 12 1 172





Necessary preliminary tasks:
- Switch off ignition
- Remove all ignition coils.





Important!
Wear protective goggles.
Oil and dirt particles may get into your eyes!

Clean spark plug slot with compressed air.





Unscrew spark plugs with special tool 12 1 171.

Installation Note:
Tighten down spark plugs with special tool 12 1 171 and special tool 12 1 172 (torque limiter).
Without special tool 12 1 172, observe tightening torque.
Tightening torque 12 12 1AZ [1][2]Specifications.