Operation CHARM: Car repair manuals for everyone.

Generic Scan Tool






Ignition System Overview






1 Knock Sensor (KS) 1 (G61)

Contacts gold plated

Removing and installing, refer to => [ Knock Sensor 1 (G61) ] Service and Repair

2 Ignition Coil with Power Output Stage

Ignition coil 1 with power output stage (N70)

Ignition coil 2 with power output stage (N127)

Ignition coil 3 with power output stage (N291)

Ignition coil 4 with power output stage (N292)

Removing and installing, refer to => [ Ignition Coils with Power Output Stages ] Service and Repair

To remove, use the ignition coil puller (T40039)

3 Spark Plug

30 Nm

4 Bolt

20 Nm

The tightening specification affect how the knock sensor functions

5 Bolt

10 Nm

6 Camshaft Position (CMP) Sensor (G40)

Contacts gold plated

7 O-ring

If damaged, replace O-ring