12 12 011 Replacing all spark plugs (S54): Notes
WARNING: This page is about a different car, the 2002 BMW M Roadster, 2002 BMW M Coupe, 2001 BMW M Roadster, and 2001 BMW M Coupe. However, it is still accessible from the selected car via links, so may be relevant.
Switch off ignition.
Remove ignition coils. Refer to 12 13 511 Replacing ignition coil (S54) .
Unscrew and remove spark plugs with special tool 12 1 171.