12 14 600 Replacing knock sensor (N12, N14)

Necessary preliminary tasks:

Installation location:

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

Unlock plug (1) and remove.

Release screw and remove knock sensor (2).

Installation:

Clean contact surface of knock sensor on engine block.

For tightening torque refer to 13 62 2AZ in 13 62 SENDERS FOR CONTROL UNIT .

Fig 1: Knock Sensor, Mounting Screw And Plug

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Now clear the fault memory.