Ignition system components, removing and installing: Notes

1 - Connector

• Black, 4-pin
• Before removing, mark connector belonging to component

2 - Hood

• For camshaft position sensor

3 - Camshaft Position (CMP) sensor

• Before removing, mark connector belonging to component

Cylinder bank 1 

• Camshaft Position (CMP) Sensor G40 for intake camshaft
• Camshaft Position (CMP) Sensor 3 G300 for exhaust camshaft

Cylinder bank 2 

• Camshaft Position (CMP) Sensor 2 G163 for intake camshaft
• Camshaft Position (CMP) Sensor 4 G301 for exhaust camshaft

4 - 10 Nm

5 - 20 Nm

• Tightening torque influences the function of the Knock Sensor

6 - Knock Sensors

• Contact surfaces between Knock Sensor and cylinder block must be free of corrosion, dirt and grease.

Installed location:

• Knock Sensor (KS) 1 G61 , black Knock Sensors 1 and 2 for cylinder bank 1 
• Knock Sensor (KS) 2 G66 , brown Knock Sensors 1 and 2 for cylinder bank 1 
• Knock Sensor (KS) 3 G198 , orange Knock Sensor 3 for cylinder bank 2 
• Knock Sensor (KS) 4 G199 , grey Knock Sensor 4 for cylinder bank 2 

7 - 3-pin connector

• Contacts gold plated
• Black for Knock Sensor (KS) 1 G61
• Brown for Knock Sensor (KS) 2 G66
• Orange for Knock Sensor (KS) 3 G198

• Grey for Knock Sensor (KS) 4 G199

8 - Spark plug, 30 Nm

• Type and spark plug gap → Technical data, spark plugs  , test data, spark plugs
• Removing and installing with Spark Plug Removal Tool 3122 B

9 - Ignition coil with power output stage (N70 N127, N291, N292, N323 to N326)

• Removing and installing → Ignition coils with power output stage, removing and installing