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:
Necessary preliminary tasks:
Remove decorative strip from middle fresh-air grille.
Unlock catches (1).
Press switch (2) out of decorative strip.
Fig. 212: Pressing Switch Out Of Decorative Strip
REMOVING AND INSTALLING OR REPLACING GRIP TRIM FOR GEAR SELECTOR
SWITCH
Special tools required:
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Principle
The BMW Intelligent Personal Assistant is a personal
assistant that enables natural voice operation
of various vehicle functions. The Personal
Assistant simplifies the operation of the vehicle
with the automation of processes and habits.
General information
BMW Intelligent Personal Assis