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:
REMOVING AND INSTALLING/REPLACING TRIM FOR HEAD-UP DISPLAY
Special tools required:
00 9 317.
Lever out trim for head-up display (1) with special tool 00 9 317 towards top.
Fig. 2: Removing Lever
Installation:
Make sure detent lugs (1) are correctly seated.
Fig. 3: Identifying Detent Lugs
REMOVI
Principle
Active Protection prepares occupants and the
vehicle for a possible accident in critical driving or
collision situations.
General information
Depending on the equipment and national-market
version, Active Protection consists of various
PreCrash functions.
The system is used to detect cert