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:
Special tools required:
23 0 020
31 5 130
33 1 150
Necessary preliminary tasks:
Remove reinforcement plate.
Mark position of nut with respect to shaft with punch marks (arrow).
Lever out lockplate (1) with a suitable tool.
Fig. 107: Locating Lockplate
IMPORTANT: Risk of damage!
Do not plac
Principle
Driver profiles can be created to store personal
vehicle settings. If the vehicle is used by multiple
drivers, each driver can create his personal driver
profile. When a driver profile is selected, the vehicle
will automatically apply the stored settings in
the driver profile.
General info