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:
General information
The mount for the trailer hitch is located on the
rear of the vehicle.
Information on suitable trailer hitches is found on
the underside of the mount, see arrow.
Remove the ball head when driving without a
trailer or load carrier.
Safety information
Warning
During driving, hig
Fig. 1: Identifying Heater/Air Conditioner Servomotors Components Location
Servomotor, defrosting
Servomotor, footwell, rear cabin right
Servomotor, ventilation, front right
Servomotor, stratification, front right
Servomotor, stratification/shut-off, rear cabin, right
Servomotor, footwell, f