12 14 604 Replacing knock sensor (after vehicle diagnosis) (cyl. 3-4) (X2 sDrive 28i 2018-2023, X2 xDrive 28i 2018-2023)

Necessary preliminary work: 

• Remove INTAKE PLENUM .

Removal: 

Unlock connector (1) and remove.

Release 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!

See TIGHTENING TORQUE .

Attach connector (1).

Connector (1) must engage audibly.

Courtesy of BMW OF NORTH AMERICA, INC.

Required follow-up work: 

• Install INTAKE PLENUM .