12 14 611 Replacing Left Knock Sensors (N62, N62TU)

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(cylinder bank 5 to 8)

Necessary preliminary tasks:

Read out fault memory of DME control unit
Check stored fault messages
Switch off ignition
Remove INTAKE AIR MANIFOLD

IMPORTANT:

Mixing up the knock sensor plug connections will result in engine damage!

Routing of wires and plug connections must conform to the original routing. This eliminates the risk of confusion and mix-ups.

Release bolts.

Tightening torque 12 14 1AZ. See 12 14 ELECTRONIC SHIFT UNITS OR CONTROL UNITS .

Remove knock sensors (1).

Fig 1: Locating Knock Sensors

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE:

Now clear the fault memory.