NOTE: Owing to the different engine variants and equipment specifications, not all the components are taken into consideration.
The following list basically represents the removal sequence.
- Disconnect negative battery cable
- Remove bumper trim
- Remove front underbody protection assembly
- Remove front panel
- Remove front side panel left
- Remove trailing link on left spring strut dome
- Remove intake silencer housing
- Remove coolant expansion tank
- Remove front wheel arch cover (front section)
- Remove front wheel arch cover (rear section)
- Remove engine compartment lid
- Remove left engine compartment lid hinge
- Remove left partition wall for units compartment
- Remove brake booster
- Remove trailing link
- Remove left wishbone
- Remove spring strut with swivel bearing
- Release left wiring harness
BMW X3 Service & Repair Manual > Heater with operation: Replacing controller for heating and air conditioning system blower
Necessary preliminary work:
Remove TRIM FOR INSTRUMENT PANEL, BOTTOM LEFT
Removal:
Release screws (1).
Unlock and disconnect connector (2).
Remove controller (3) downwards.
Installation:
Position controller (3) correctly.
Tighten down the screws (1).
Connect connector (2).
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