BMW X5: Unlocking And Disconnecting Different Plug Connections
NOTE: Examples of unlocking and disconnecting different plug connections.
Press lock and open clip in direction of arrow.
Disconnect plug connection.
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Fig. 4: Pressing Lock
Press lock and open clip in direction of arrow.
Disconnect plug connection.
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Fig. 5: Opening Clip
Open clip in direction of arrow and disconnect plug connection in direction of arrow.
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Fig. 6: Disconnecting Plug Connection
Press lock and disconnect plug connection in direction of arrow.
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Fig. 7: Disconnecting Plug Connection
Press lock and disconnect plug connection in direction of arrow.
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Fig. 8: Pressing Lock
Press lock and disconnect plug connection in direction of arrow.
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Fig. 9: Disconnecting Plug Connection
Press lock and disconnect plug connection in direction of arrow.
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Fig. 10: Pressing Lock
Press lock and disconnect plug connection in direction of arrow.
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Fig. 11: Disconnecting Plug Connection
Press lock and disconnect plug connection in direction of arrow.
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Fig. 12: Disconnecting Plug Connection
TREATING CABLES AND FIBER-OPTIC CABLES
Special tools required:
- 61 1 190
- 61 4 320
NOTE: Special tools referred to in the repair instructions below are contained in the following special tool kits:
SPECIAL TOOL KITS REFERENCE
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Subject of repair instructions
- Special tools for wiring harness repairs.
- Cutting to length and stripping insulation from cables.
- Crimping stop parts (contacts).
- Butt connector for repairing a plug connection.
- Fan connector for retrofitting/repairs.
- Cutting to length and stripping insulation from optical fibers.
- Crimping optical fibers.
- Insulation displacement connector for repairing ribbon cables.
PERFORMING BATTERY "POWER RESET" (FOR PROGRAMMING/CODING CONTROL UNIT(S) )
IMPORTANT: Observe safety instructions for handling vehicle battery.
The following steps must be carried out for a "power reset":
- Switch off and disconnect battery charger.
- Switch off ignition.
Cars with ignition key: Turn ignition key to 0 position.
Cars with identification sensor: Remove identification sensor from slot.
Cars with comfort access system: Make sure terminal is in 0 position.
- Disconnect battery negative terminal.
- Reconnect battery negative terminal (to ensure bus activity).
- Waiting time (5-10 seconds).
- Disconnect battery negative terminal.
- Waiting time (1 minute).
- Connect battery negative terminal and tighten.
Tightening torque.
- Connect and switch on battery charger.
- Switch ignition on.
READ NEXT:
General Information On Intelligent Battery Sensor (IBS)
WARNING: Danger of destruction in event of mechanical strain
Do not introduce any additional connections at the battery
negative
terminal.
Do not modify the grounding cable.
The grounding cable
Opening Plug Housings And Removing Contacts Of Different Plug
Systems
Special tools required:
61 0 300
61 0 400
61 1 150
Abbreviations and what they mean:
ABBREVIATIONS MEANINGS
Ultrasonic-welded connectors:
Ultrasonic-welded connectors (1) can be identified by th
SEE MORE:
Oil Pressure, Oil Tempe
REMOVING AND INSTALLING/REPLACING OIL PRESSURE SENSOR (N52, N52K, N51,
N54, N53)
Necessary preliminary tasks:
Switch off ignition
N52, N52K, N51, N53 only:
Remove ignition coil cover.
N54 only:
Remove intake filter housing
WARNING: Scalding hazard!
Only perform this task on an engin
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 troubleshooting.
Oscillograms -> Normal oscillogram
-> Oscillograms of ignitio
