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/Replacing Fuel Pump (Petrol/Gasoline
Vehicles)
Special tools required:
00 9 252
Recycling
Fuel escapes when fuel lines are detached. Have a suitable collecting
container ready.
Catch and dispose of escaping fuel.
Observe country-specific waste-disposal regulations.
IMPORTANT: Ensure adequate ventilation in the place of work!
Ensure absolut
Brake Lights
REMOVING AND INSTALLING/REPLACING AUXILIARY BRAKE LIGHT
Necessary preliminary tasks:
Remove rear spoiler.
Release screws (1).
Lift auxiliary brake light (2) in direction of arrow from rear spoiler.
Fig. 30: Lifting Auxiliary Brake Light
Disconnect plug connection (1).
Unclip spray nozzle (2) f
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