BMW X5: Ignition Wires, Spark Plugs
FIRING ORDER
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Fig. 3: Firing Order (V8)
REPLACING ALL SPARK PLUGS (N62, N62TU)
Special tools required:
Necessary preliminary tasks:
- Switch off ignition
- Remove all IGNITION COILS.
Unscrew spark plugs with special tool 12 1 171.
Installation:
Tighten down spark plugs with special tool 12 1 171 and special tool 12 1 172
(torque limiter).
Without special tool 12 1 172, observe tightening torque.
Tightening torque 12 12 1AZ.
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Fig. 4: Tightening Down Spark Plugs With 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 fault notes for troubles
REPLACING CONTROL UNIT (VALVETRONIC)
Switch off ignition.
Follow instructions for disconnecting and connecting battery.
Disconnect battery.
CAUTION: Follow instructions for removing and installing e
REPLACING ALTERNATOR BELT PULLEY
Special tools required:
12 7 110
Remove and install alternator drive belt.
Depending on alternator type, grip shaft with:
hexagon socket
multi-tooth socket or
SEE MORE:
Special tools required:
34 1 050.
34 1 280.
IMPORTANT: The brake pad wear sensor must be replaced once it has been
removed (brake
pad wear sensor loses its retention capability in the brake pad).
Necessary preliminary tasks:
Remove wheels.
Remove brake pad wear sensor.
Fig. 42: Identifyin
WARNING: Danger to life!
Mount securing fixture for vehicle on lifting platform to prevent the
vehicle from slipping off or tilting down.
Secure engine in installation position to prevent it from falling down.
Necessary preliminary tasks:
Remove left output shaft.
Secure right output shaft with