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:
Principle
The Ambient Air Package can be used to clean
and scent the interior air with high-quality fragrances.
General information
Two different fragrances can be selected in the
vehicle. A variety of other fragrances is possible
by replacing the fragrance cartridges.
The following criteria can in
Principle
The xOffroad package supports the driver when
driving away from unpaved roads or with reduced
traction. The system offers four different xOffroad
driving modes for selection.
xOffroad driving modes and
levels
The xOffroad driving modes can be selected
based on the ground conditions.
When