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 WINDSCREEN WIPER, WINDSCREEN WASHER AND HEADLIGHT
WASHER SYSTEMS
Fig. 283: Overview Of Windscreen Wiper, Windscreen Washer And Headlight
Washer Systems
Rear window wiper blade
Wiper arm for rear window wiper
Rear window wiper motor
Spray nozzle for rear window washer system
Wiper
Special tools required:
00 9 120
11 4 350
11 4 461
11 4 462
11 4 463
11 9 000
IMPORTANT: It is absolutely essential to follow an exact procedure for
removing and
installing the exhaust camshaft.
Risk of damage!
The upper and lower bearing banks must be tensioned with a total of six
special