BMW X5: Mechanical-Hydraulic
REMOVING AND INSTALLING OR REPLACING DSC HYDRAULIC UNIT
Necessary preliminary tasks:
- Read and comply with General Information.
- Extract brake fluid
NOTE: Extract brake fluid out of expansion tank. Use a suction bottle used exclusively for drawing off brake fluid.
Do not reuse drawn out brake fluid.
After completing work:
- Bleeding braking system
IMPORTANT: Do not mix up brake lines.
If necessary, mark before removal.
Brake lines must not be bent.
Close off connection bores with plugs.
Disconnect plug connection (1).
Unfasten brake lines (2).
Tightening torque 34 32 1AZ.
If necessary, release brake lines from holder on bulkhead.
Unscrew bolt (3).
Tightening torque 34 51 6AZ.
Pull hydraulic control unit with holder out of guide pins (4) and remove.
.png)
Fig. 96: Identifying Brake Lines And Plug Connection
When replacing hydraulic unit:
Release screws (1) and convert holder (2).
Installation:
Tightening torque 34 51 5AZ.
.png)
Fig. 97: Identifying Convert Holder And Screw
When replacing control unit:
- Carry out programming/coding.
- Adjustment of steering angle sensor.
- Mix-up check of brake lines.
- Function check, hydraulic unit.
READ NEXT:
Replacing A Brake Pad Sensor (Front)
IMPORTANT: The brake pad wear sensor must be replaced once it has been
removed (brake
pad wear sensor loses its retention capability in the brake pad).
If a brake lining sensor that has already been
Overview Of Electronic Components
Fig. 103: Identifying Electronic Components
DSC control unit
Rotation rate sensor
Brake-pad-wear sensor
Pulse generator
REMOVING AND INSTALLING / REPLACING DSC CONTROL UNIT
IMPORTANT: Read and
SEE MORE:
Straightening Steel Parts
1.0 Recommended tools
Only use those tools designed for steel repairs.
2.0 Straightening outer shell
"Cold" straightening: Press dents out from their center and smooth in an
inwards direction with
gentle taps.
In the case of small, soft dents (hail and parking damage), this is also
possible
Replacing Seat Cover For Left Or Right Front Seat (Normal/Semi-Electric)
Special tools required:
52 0 050.
Necessary preliminary tasks:
Remove front seat.
Remove rear panel on front seat backrest.
Remove inner cover on front seat.
WARNING: US/CDN front passenger seat (with OC3 mat) only:
To avoid damaging the OC3 mat, it is essential to carry out the following
