12 12 011 Replacing all spark plugs (S54): Installation:
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.
Using special tool 12 1 171 in conjunction with special tool 12 1 172, tighten spark plugs.
If special tool 12 1 172 is not used, observe tightening torque. Tightening torque, 12 12 1 AZ. Refer to 12 12 SPARK PLUGS .