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
SEE MORE:
General information
Installation only possible with roof rack.
Roof racks are available as special accessories.
Safety information
Warning
When driving with a roof load, for instance with
roof-mounted luggage rack, the vehicle's center
of gravity is higher, which increases the risk
of the vehicle t
REPLACING DRIVE FLANGE ON LEFT/RIGHT REAR AXLE SHAFT
Special tools required:
33 2 116
33 2 160
33 2 201
33 4 200
Remove rear wheel.
IMPORTANT: Expand turning lock sufficiently to avoid damaging thread
when releasing
collar nut.
Release collar nut (1), activate parking brake for this purpose.