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:
Necessary preliminary tasks:
Remove glass slide/tilt sunroof.
Remove glass slide/tilt sunroof lid at front.
Remove glass slide/tilt sunroof lid at rear.
Remove front drip molding.
Remove drive for slide/tilt sunroof actuation.
Overview of glass lid mechanism:
Fig. 4: Identifying Glass Lid
General information
For certain applications, such as apps, the data
exchange between smartphone and vehicle occurs
via WLAN.
Functional requirements
Standby state is switched on.
Compatible device with activated WLAN interface.
Activate WLAN in the vehicle
1. "COM".
2. "Mobile devices".
3. Ti