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. See 12 1 200 TORQUE
LIMITER 30 NM.
Tightening torque 12 12 1AZ0.
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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:
Data transmission
Principle
The vehicle offers different services, whose use
requires a data transfer to BMW or a service provider.
The data transmission can be deactivated
for some services.
General information
When the data transmission is deactivated, the
respective service cannot be used.
Only
Ultrasound sensors in the front/
rear bumpers
The ultrasound sensors of the
Park Distance Control PDC are located
in the bumpers.
Ultrasonic sensors, side
The ultrasound sensors of the Automatic Parking
Assistant are located on the side of the vehicle.
System limits of the ultrasonic
sensors
The de