Spark Plug: Service and Repair

12 12 011 Replacing all spark plugs(N12, N14, N16, N18)

Special tools required:







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







IMPORTANT:
Wear safety goggles.
Oil and dirt particles may get into your eyes.

Clean spark plug slot with compressed air.







Unscrew spark plugs with special tool 12 1 220 and an extension with joint.

Installation note:
First screw spark plugs into engine finger-tight with special tool 12 1 220 and extension with joint.
Then tighten spark plug with torque wrench, special tool 12 1 220 and extension with joint.
Observe tightening torque.
Tightening torque 12 12 2AZ.