12 14 600 Replacing knock sensor

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2006 BMW X5, 2006 BMW X3, 2005 BMW X5, 2005 BMW X3, and 2004 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Check stored fault messages.
Switch off ignition.
Remove INTAKE AIR MANIFOLD .

Unclip plug connection (1) from holder of cable duct (2) and disconnect.

Fig 1: Unclipping Plug Connection From Holder Of Cable Duct

G03310553

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1) and remove knock sensor for cylinder bank 1-3.

Fig 2: Removing Knock Sensor For Cylinder Bank 1-3

G03310554

Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (2) and remove knock sensor for cylinder bank 4-6.

Fig 3: Removing Knock Sensor For Cylinder Bank 4-6

G03310555

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Clean support face of knock sensors on engine block.

Fig 4: Cleaning Support Face Of Knock Sensors

G03310556

Courtesy of BMW OF NORTH AMERICA, INC.

Tightening torque 12 14 2AZ .

Installation:

Read out fault memory of control unit of Digital Motor

Electronics (DME).

Now clear the fault memory.