BMW X5: Control Unit Box
REPLACING FAN FOR ELECTRONICS BOX
NOTE: Follow instructions for removing and installing electronic control units.
- Remove control unit.
- Read fault memory. Switch off ignition.
Unclip plug (1).
Remove DDE control unit (3).
Remove relay plug-in (5) towards top.
Release screws (4).
Lift out device carrier (2).
Unfasten plug connection and disconnect.
Release air cowl (1).
Remove electric fan (2) with bracket.
Add final details to vehicle.
Read fault memory.
Additional Fault Notes For Troubleshooting
Necessary preliminary tasks:
- Connect diagnosis system
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Fig. 79: Identifying DIS
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Contents Of Engine Electrical System General
General Information
Working on ignition system
Removing and installing electronic control units
Welding work (overload protection of control units)
Disconnecting and connecting battery
Disconnec
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Removing And Installing Or Replacing Both Rear Brake Discs
Special tools required:
34 1 280.
Necessary preliminary tasks:
Remove wheels.
Remove and clean brake pads.
After completing work:
Adjusting handbrake.
Read and comply with notes on braking in new brake discs / brake pads.
Check minimum brake disc thickness:
Position special tool 34 1 2
Chassis components, Two-axle self-leveling
suspension
Chassis components
The chassis components are optimized for the
vehicle and its application range and thereby ensure
the best possible Driving Dynamics.
Two-axle self-leveling suspension
Principle
Air suspension ensures best possible driving
comfort under all load conditions. Due to a variable
adjus
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