12 14 600 Replacing knock sensor(s) (S54): Notes

WARNING: This page is about a different car, the 2002 BMW M Roadster, 2002 BMW M Coupe, 2001 BMW M Roadster, and 2001 BMW M Coupe. However, it is still accessible from the selected car via links, so may be relevant.

Interrogate fault memory of DME control unit. Switch off ignition.

Remove intake air manifold. Refer to 11 61 050 REMOVING AND INSTALLING INTAKE AIR MANIFOLD (S54) .

Release nuts and place idle-speed control valve (1) to one side.

Fig 1: Releasing Idle-Speed Control Valve

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Unlock plug and detach from knock sensor.

Fig 2: Removing Knock Sensor

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Release knock sensor screw connection on engine block.

Installation :

Tightening torque, 12 14 2AZ. Refer to 12 14 ELECTRONIC SHIFT UNITS OR CONTROL UNITS .

Remove knock sensor.