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:
Minimum set: Measuring and testing equipment
Note: As storage location "Y3" for MINI V-adapter leads (with launch of R56)
SI number: 2 09 06 313
Order number: 00 0 110
Cardboard box
Fig. 13: Identifying Cardboard Box (00 0 110)
CARDBOARD BOX (SET) FOR CABLE CABINET
Note: For storing adapter cables
AUTO program
Principle
The AUTO program cools, ventilates or heats
the car's interior automatically.
The air distribution and the temperature are controlled
automatically depending on the interior
temperature and the desired temperature setting
including the selected intensity of the air flow.
Switc