12 14 600 Removing/replacing knock sensors (N55 Hybrid)

The following points must be strictly observed prior to starting work: 

• Observe SAFETY INFORMATION  for handling hybrid cars.

Necessary preliminary tasks: 

• Read out the fault memory of the DME control unit.
• Switch off ignition.
• Remove HIGH PRESSURE PUMP .

Recycling: 

Fuel escapes when fuel lines are detached.

Catch and dispose of escaping fuel.

Observe country-specific waste disposal regulations.

Unlock connector (1) and remove.

Release screws on both knock sensors (1) and remove knock sensors (1).

Tightening torque 13 62 3AZ .

Installation note: 

Clean contact surface of knock sensors on engine block.

Check stored fault messages.

Clear diagnostic fault entries from fault memory.