12 14 611 Replacing Left Knock Sensors (N62, N62TU)
WARNING: This page is about a different car, the 2008 BMW Alpina and 2007 BMW Alpina. However, it is still accessible from the selected car via links, so may be relevant.
(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 . See 11 61 095 REMOVING AND INSTALLING/REPLACING DISADJUSTMENT UNIT .
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.
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. See ENGINE ELECTRICAL SYSTEM - TIGHTENING TORQUES .
Remove knock sensors (1).
NOTE:
Now clear the fault memory.