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:
OVERVIEW OF INTERIOR LIGHTS
Fig. 33: Location Of Interior Lights
Glovebox light
Footwell light (footwell)
Front ceiling light
Mirror light
Interior light
Luggage compartment light
Footwell light (on floor trim panel, rear)
Footwell light (door)
REMOVING AND INSTALLING/REPLACING LEFT OR RI
Activating the voice control
system
General information
There are various methods for activating the
voice control feature:
Press the button on the steering
wheel.
The microphone on the driver's side is active.
Say the wake word ›Hello BMW‹ or a personal
wake word.
The microphones on the