12 14 611 Removing/replacing left knock sensors (N63, S63)

WARNING: This page is about a different car, the 2013 BMW X5, 2012 BMW X5, and 2011 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Read out fault memory of DME control unit
Turn off ignition
Disconnect BATTERY NEGATIVE LEAD
Remove left intake manifold . See 11 61 065 REMOVING AND INSTALLING/REPLACING LEFT INTAKE MANIFOLD (N63) .

Unlock and disconnect plugs (1) on both knock sensors.

Release screws on both knock sensors (2).

Tightening torque: 13 62 5AZ .

Remove knock sensors (3).

Fig 1: Identifying Knock Sensors Plugs

Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Clean support face of knock sensors on engine block.

Fig 2: Locating Knock Sensors On Engine Block

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Check stored fault message.
Delete fault memory.