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)
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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
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Setting up a PIN
A driver profile with recognition cannot be activated
without vehicle key and without digital key.
In this case, a PIN can be set up to activate the
driver profile.
Countries in which ConnectedDrive is not available:
If a PIN was not set up or the PIN is not
known, the driver profi
General information
Screen Mirroring enables mirroring (outputting)
of the smartphone display on the Control Display.
Functional requirements
Compatible smartphone with Screen Mirroring
interface.
Compatible devices.
Screen Mirroring is activated on the smartphone.
WLAN is activated on the veh