12 14 600 Replacing knock sensor

Necessary preliminary tasks:

Installation location:

The knock sensor is located under the intake manifold next to the starter motor.

Use a reversible ratchet (1) and extension to release the screw of the knock sensor from below.

Fig 1: Releasing Knock Sensor Screw Using Reversible Ratchet

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw and remove knock sensor (2).

Pull knock sensor slightly downwards until the connector of the knock sensor is accessible. Unlock connector (1) and remove.

Fig 2: Identifying Plug (1) And Knock Sensor (2)

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Clean contact surface of knock sensor on engine block.

Tightening torque 13 62 2AZ .

NOTE: Now clear the fault memory.