Necessary preliminary tasks

• Turn off ignition
• Disconnect NEGATIVE BATTERY CABLE
• Remove INTAKE PLENUM

Unlock plug (1) and remove.

Unfasten nut.

Tightening torque 12 41 3AZ .

Remove battery positive lead (2).

Fig 1: Identifying Plug And Battery Positive Lead

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1).

Installation: