12 12 011 Replacing all spark plugs

Special Tools Required: 

• 12 1 171
• 12 1 200

Necessary Preliminary Tasks: 

• Remove ignition coils. See 12 13 511 Replacing ignition coil (M52, M52TU, S52, S50US, M54) 

Unscrew and remove spark plugs with special tool 12 1 171 in conjunction with special tool 12 1 200. See 12 12 011 Replacing all spark plugs 

Fig 1: Identifying Special Tool 12 1 171 And 12 1 200

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

If special tool 12 1 200 is not used, Tightening torque: M12x1.25 23 +/- 3 N.m and for M14x1.25 30 +/- 3 N.m.