BMW X5: Ignition Wires, Spark Plugs
BMW X5 (G05) 2019-2026 Service & Repair Manual / Engine Electrical System / Engine Electrical System V8 (N62TU) / Ignition Wires, Spark Plugs
FIRING ORDER
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Fig. 3: Firing Order (V8)
REPLACING ALL SPARK PLUGS (N62, N62TU)
Special tools required:
- 12 1 171
- 12 1 172
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:
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 fault notes for troubles
Electronic Switching Or Control Unit
REPLACING CONTROL UNIT (VALVETRONIC)
Switch off ignition.
Follow instructions for disconnecting and connecting battery.
Disconnect battery.
CAUTION: Follow instructions for removing and installing e
Alternator With Drive And Mount
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:
Removing And Installing/Replacing Control Unit For Active Front Steering
IMPORTANT: Read and comply with notes on protection against
electrostatic damage (ESD
protection)
Necessary preliminary tasks:
Disconnect battery negative lead.
Remove front left wheel arch cover (rear section).
Release nut (1) and disconnect ground cable.
Disconnect plug connections (2).
Unc
Gaskets And Seals
Head Gasket
The head gasket design on the N54 is unique to that engine.
It features a multi-layer steel design. There is no silicone rubber perimeter
"shelf" as on the N52. This is not
needed due to the aluminum block on the N54.
The N52KP and N51 engines are still using the head gasket that is f
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