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:
Functional requirements
Compatible device with Bluetooth interface.
Compatible devices.
The vehicle key or BMW display key is in the
vehicle.
The device is ready for operation.
Bluetooth is switched on in the vehicle and
on the device.
The pairing readiness is displayed on the
Control Disp
WARNING: Read and comply with safety regulations for handling airbag
modules and
pyrotechnical belt tensioners.
Improper handling can lead to triggering of the pyrotechnical seat belt
tensioner or side airbag, resulting in injuries.
Switch off ignition!
Necessary preliminary tasks:
Remove head r