Replacing the knock sensor (B36, B38) (Cooper)

Preliminary work needed: 

• Remove INTAKE PLENUM .

Removal: 

Unlock connector (1) and detach.

Remove screw (2).

Remove knock sensor (3).

Courtesy of BMW OF NORTH AMERICA, INC.

Preparation for installation: 

Clean contact surface of knock sensor on engine block.

Installation: 

Install knock sensor (3).

Tighten screw (2).

Observe tightening torque without fail!

Tightening torque 13 62 3AZ .

Attach connector (1).

Connector (1) must engage audibly.

Courtesy of BMW OF NORTH AMERICA, INC.

Required follow-up work: 

• Install INTAKE PLENUM .