3 Series E46 320d (M47) TOUR
34 00 050
Bleeding brake system with DSC3
Note:
Read and comply with General Information.
When replacing or repairing, observe the filling and bleeding
instructions for the following parts:
1. Brake master cylinder
2. Hydraulic unit DSC3
3. and components/connecting lines which are fitted between
these assemblies.
For all other work on the brake system (e.g. replacing brake
calipers), the instructions "Bleeding brake system with
ABS/ASC+T" must be observed. 34 00 048
After work has been completed on the precharging pump, only the
front axle circuit has to be bled. Activate precharging pump once
with Diagnosis and Information System (DIS).
(Brake fluid changer connected to max. 2 bar filling pressure).
After completing work: Carry out final check with DIS under menu
item "Service functions".
Contrary to the instructions in the DIS, the bleeding routine must
be restarted on each wheel.
Connect DIS.
Call up service function "Bleeding ABS/DSC3 Hydraulics".
Connect brake fluid changer to expansion tank and switch on.
Note:
Check relevant Operating Instructions for each device.
Charging pressure should not exceed 2 bar.
Flushing brake system completely
Connect bleeder hose with collecting tray to bleeder valve on rear
right brake caliper.
Open bleeder valve and purge until clear, bubble-free brake fluid
emerges.
Close bleed valve.
Follow same procedure on wheel brakes rear left, front right and
front left.
RA Bleeding brake system with DSC3
BMW AG - TIS
12.02.2013 18:27
Issue status (12/2007) Valid only until next DVD is issued
Copyright
Page - 1 -
