Ignition system components, removing and installing

1 - Connector

• Black, 4-pin

2 - Ignition coils

• Cylinder 1 Ignition Coil -N-
• Cylinder 2 Ignition Coil 2 with Power Output Stage -N127-
• Cylinder 3 Ignition Coil 3 -N158-
• Cylinder 4 Ignition Coil 4 -N163-

• Checking → Ignition coils with power output stage, checking 

3 - Seal

4 - Spark plug, 30 Nm

• Remove and install using 3122B
• Type and electrode gap → Technical data, spark plugs 

5 - 3-pin connector

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

6 - 20 Nm

• Torque setting influences the function of knock sensor

7 - Knock Sensor (KS) 1 -G61-

• Sensor contacts and connector contacts gold plated
• check → Knock sensors, checking 

8 - Knock Sensor (KS) 2 -G66-

• Sensor contacts and connector contacts gold plated
• check → Knock sensors, checking 

9 - Connector

• Black, 3pin

10 - 10 Nm

11 - Camshaft Position (CMP) Sensor -G40-

• check → Camshaft Position (CMP) Sensor -G40-, checking 

12 - 25 Nm

13 - Washer

• Conical

14 - Hood

• For Camshaft Position (CMP) Sensor -G40-
• Observe installation location

15 - Ground (GND) wire

• Do not loosen or tighten unless ignition is switched off

16 - 10 Nm

• Do not loosen or tighten unless ignition is switched off