BMW X5: Ignition Wires, Spark
REPLACING ALL SPARK PLUGS (N42, N40, N46, N45, N52, N52K, N51)
Special tools required:
Necessary preliminary tasks:
- Switch off ignition
- Remove ignition coils.
Unscrew spark plugs with special tool 12 1 171.
Installation:
Tighten down spark plugs with special tool 12 1 171and special tool 12 1 200
(torque limiter).
Without special tool 12 1 200, observe tightening torque.
Tightening torque 12 12 1AZ0.

Fig. 1: Identifying Special Tool (12 1 171) And (12 1 172)
READ NEXT:
NOTES ON CHECKING IGNITION SYSTEM
Troubleshooting -> Fault in fuel injection system
-> Spark plug faults
-> Ignition coil faults
-> Further fault patterns with evaluation
-> Additional
IMPORTANT: Read and comply with notes on protection against
electrostatic damage (ESD
protection).
IMPORTANT: Aluminum-magnesium materials.
No steel screws/bolts may be used due to the threat of ele
SEE MORE:
SPRING SUPPORT SPECIFICATION
Carry out thread repair with Heli-coil thread insert.
Read and comply with tool manufacturer's instructions.
Fig. 85: Identifying Spring Support
STAMPING VEHICLE IDENTIFICATION NUMBER
Special tools required:
41 0 000
41 1 190
41 1 191
41 1 192
NOTE: If the stamp
Settings
Setting the voice control
You can set the system to use standard dialog or
a short version.
The short version of the voice control plays back
short messages in abbreviated form.
1. "CAR".
2. "Settings".
3. "General settings".
4. If necessary, "Personal assistant".
5. "Voice control".