12 12 011 Replacing all spark plugs (N42, N40, N46, N45, N52, N52K, N51)
WARNING: This page is about a different car, the 2010 BMW X3, 2009 BMW X3, 2008 BMW X3, and 2007 BMW X3. However, it is still accessible from the selected car via links, so may be relevant.
Special tools required:
See 12 ENGINE ELECTRICAL SYSTEM .
- 12 1 171
- 12 1 200
Necessary preliminary tasks:
- Switch off ignition
- Remove ignition coils, see 12 13 511 Replacing ignition coils (N52, N52K, N51) .
Unscrew spark plugs with special tool 12 1 171.
Installation:
Tighten down spark plugs with special tool 12 1 171 and special tool 12 1 200 (torque limiter).
Without special tool 12 1 200 , observe tightening torque.
Tightening torque: 12 12 1AZ, see 12 12 SPARK PLUGS .