Remove hydraulic unit
NOTE:
TECHNICAL INFORMATION
Before first working on the DSCi brake (integrated brake), the "DSCi" web-based training must be passed successfully.
The "DSCi" web-based training is started in the Learning Management System (TMSi).
Before first working on the DSCi brake (integrated brake), the "DSCi" web-based training must be passed successfully.
The "DSCi" web-based training is started in the Learning Management System (TMSi).
NOTE:
TECHNICAL INFORMATION
Before removing the hydraulic unit, the vehicle battery must be disconnected without fail!
The vehicle battery must never be connected during a repair!
Otherwise a brake bleeding procedure must be carried out after the repair.
For additional information: see VENT BRAKING SYSTEM (DURING PART EXCHANGE) .
The vehicle battery may only be reconnected when the brake system is completely filled with brake fluid and vented!
Before removing the hydraulic unit, the vehicle battery must be disconnected without fail!
The vehicle battery must never be connected during a repair!
Otherwise a brake bleeding procedure must be carried out after the repair.
For additional information: see VENT BRAKING SYSTEM (DURING PART EXCHANGE) .
The vehicle battery may only be reconnected when the brake system is completely filled with brake fluid and vented!
NOTE:
TECHNICAL INFORMATION
Use only BMW-approved brake fluids.
For additional information see: "Fluid Capacities" tab for the selected vehicle.
Use only BMW-approved brake fluids.
For additional information see: "Fluid Capacities" tab for the selected vehicle.
Preliminary work
- Refer to DEACTIVATING VEHICLE ELECTRICAL SYSTEM .
- Refer to REMOVING THE COVER OF THE ENGINE COMPARTMENT AT THE REAR LEFT .
- Refer to REMOVING THE COVER OF THE REAR RIGHT ENGINE COMPARTMENT .
- Refer to REMOVING LEFT AND RIGHT WIPER ARM .
- Refer to REMOVING WINDSHIELD PANEL COVER .
- Refer to REMOVING TRAILING LINK AT SPRING BOLT .
- Refer to REMOVING THE TRIM PANEL FOR PEDAL ASSEMBLY .
- Unfasten plug connections (1).
- Remove the cable clip (2).
- Disconnect plug connection (1).NOTE: TECHNICAL INFORMATION
Do not interchange brake lines. Mark the brake lines before disassembly (for example, VL/VR/HR/HL).
Do not bend brake lines.
Close off connecting bores with seal plugs. - Unfasten brake lines (1).
- Retract release tool 2 409 646 between brake pedal and brake booster.
- Place support (1) of the special tool (release tool) 2 409 646
on the bearing bracket. If necessary, position the support (1) permanently by turning the screws on the special tool.
- Press the special tool 2 409 646
in the arrow direction and lever the brake pedal from the brake booster.
- Loosen nuts (1).
- Remove hydraulic unit (1).