Spark Plug: Service and Repair

12 12 011 Replacing All Spark Plugs (S54)

Special tools required:
- 12 1 171

- Switch off ignition.
- Remove ignition coils. Service and Repair

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

- Clean spark plug slot with compressed air.





- Unscrew the spark plugs with special tool 12 1 171 and an extension with joint.

Installation note:
- First, screw the spark plugs into the engine hand-tight with special tool 12 1 171 and an extension with joint.

- Next, tighten the spark plugs with a torque wrench, special tool 12 1 171 and an extension with joint.

Observe tightening torque.
- Tightening torque 12 12 2AZ.