Remove/replace knock sensors at left (N63 B40/B44 O 1, S63 B44 T 2) (X6 M)

Necessary preliminary tasks: 

• Read out the fault memory of the DME control unit.
• Switch off ignition.
• Remove LEFT INTAKE PLENUM .

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

Release screws on both knock sensors (2).

Tightening torque 13 62 5AZ .

Remove knock sensors (3).

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note: 

Clean contact surface of knock sensors on engine block.

Courtesy of BMW OF NORTH AMERICA, INC.

Clear diagnostic fault entries from fault memory.