BMW X3 (F25) Service & Repair Manual: Mechanical/hydraulic components
- Removing and installing brake booster vacuum pressure sensor
- Removing and installing/replacing dsc hydraulic unit
Removing and installing brake booster vacuum pressure sensor
Detach service opening (1).
Disconnect plug connection (1) at vacuum sensor.
Carefully remove vacuum sensor (2) from brake booster in direction of arrow.
Installation note:
Check seal in brake booster and replace if necessary.
Removing and installing/replacing dsc hydraulic unit
Necessary preliminary tasks:
- Read and comply with GENERAL INFORMATION.
After completing repair work:
- BLEED BRAKE SYSTEM.
IMPORTANT: Do not mix up brake lines.
If necessary, mark before removal.
Brake lines must not be bent.
Close off connecting bores with seal plugs.
Press brake pedal down to floor and secure with pedal support.
NOTE: The brake pedal may only be released when the brake lines are reconnected.
This prevents brake fluid from emerging from the expansion tank when the brake lines are opened.
Disconnect plug connection (1).
Unfasten brake lines (1).
Undo screw (3) and remove hydraulic unit upwards in direction of arrow.
Release screws (1) and remove holder (2).
If the control unit is replaced:
- Carry out programming/encoding.
Parking brake
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Electronic components
OVERVIEW OF ELECTRONIC COMPONENTS
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Other materials:
BMW X3 (F25) Service & Repair Manual > HVAC: Refrigeration oil
2.0 REFRIGERATION OIL
OIL USED IN FREONÂ-CHARGED SYSTEMS
A mineral-based oil is used. The oil level in the compressor must be checked before filling an air conditioner
with refrigerant. It can be checked only if the system is without refrigerant.
Always check the oil level each time a new sys ...
