12 12 011 Replacing all spark plugs (S65)

WARNING: This page is about a different car, the 2010 BMW M3, 2009 BMW M3, and 2008 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

12 1 171
12 1 172

See ENGINE ELECTRICAL SYSTEM - SPECIAL TOOLS .

Necessary preliminary tasks:

Switch off ignition.
Remove all ignition coils .

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

Clean spark plug slot with compressed air.

Unscrew spark plugs with special tool 12 1 171 .

Installation:

Tighten down spark plugs with special tool 12 1 171 and special tool 12 1 172 (torque limiter).

Without special tool 12 1 172 , observe tightening torque.

Tightening torque 12 12 1AZ , see IGNITION WIRES, SPARKPLUGS .

Fig 1: Tightening Spark Plugs With Special Tools (12 1 171) And (12 1 172)

Courtesy of BMW OF NORTH AMERICA, INC.