BMW X5: Engine Electrical System
BMW X5 (G05) 2019-2026 Service & Repair Manual / Engine / Engine Electrical System
- Troubleshooting
- Ignition Wires, Spark
- Ignition Coil
- Electronic Switching On Or Control Unit
- Alternator With Drive
- Regulator
- Starter With Mounting
- Starter Lead
- Engine Wiring Loom
- Oil Pressure, Oil Tempe
READ NEXT:
Troubleshooting
CONTENTS OF ENGINE ELECTRICAL SYSTEM GENERAL
General Information -> Working on ignition system.
-> Removing and installing electronic control units.
-> Welding work (overload protection of co
Ignition Wires, Spark
REPLACING ALL SPARK PLUGS (N42, N40, N46, N45, N52, N52K, N51)
Special tools required:
12 1 171
12 1 200.
Necessary preliminary tasks:
Switch off ignition
Remove ignition coils.
Unscrew spark
Ignition Coil
NOTES ON CHECKING IGNITION SYSTEM
Troubleshooting -> Fault in fuel injection system
-> Spark plug faults
-> Ignition coil faults
-> Further fault patterns with evaluation
-> Additional
SEE MORE:
Convenient-Start System - System Functions
The convenient-start system allows the engine to be started in a
user-friendly manner as the starter motor
automatically remains engaged until the engine is running.
When the START-STOP button is pressed, the CAS control unit first activates
terminal 15. The relief relay for
the ignition coils is
Valvetrain
The valvetrain on the N52 introduced in 2006, used 5 mm valve stems on both
the intake and exhaust. To
increase durability, the exhaust valve stems were increased to 6 mm from 6/06
production.
All of the new NG6 engine have adopted the 6 mm valve stem for the exhaust, the
intake stem remains at
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