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:
REMOVING AND INSTALLING OR REPLACING DSC HYDRAULIC UNIT
Necessary preliminary tasks:
Read and comply with General Information.
Extract brake fluid
NOTE: Extract brake fluid out of expansion tank. Use a suction bottle
used exclusively
for drawing off brake fluid.
Do not reuse drawn out brake fl
Principle
The Automatic High Beam Assistant detects
other road users early on and automatically
switches the high beams on or off depending on
the traffic situation.
General information
The Automatic High Beam Assistant ensures
that the high beams are switched on, whenever
the traffic situation allo