7 Series E38 750iL (M73) SAL
34 00 050
Bleeding brake system with DSC3 from 09/97,
750i/iL to 09/98
Note:
Note "General Information",
refer to 34 00 ...
Observe following filling and bleeding specification when
exchanging or repairing:
tandem-brake master cylinder
hydraulic control unit DSC3
and components or connecting lines installed between
these units.
When carrying out any other work on the brake system
(e.g. replacing brake calipers), follow the specification
"Bleeding Brake System with ABS/ASC+T",
refer to 34 00 048
After working on the pre-boost pump, it is only necessary to
bleed the front-axle circuit. Here, before flushing the brake
system, activate the pre-boost pump with the Diagnosis
and Information System (DIS) (bleeding unit connected with
max. 2 bar filling pressure).
After completing work, a final inspection must be carried
out with the Diagnosis and Information System (DIS) under
the menu item "Service function".
Connect BMW Diagnosis and Information System (DIS).
Call up service function Bleeding ABS/DSC3 Hydraulics.
Connect bleeding unit to expansion tank and switch on.
Note:
Check relevant Operating Instructions for each device.
Charging pressure must not exceed 2 bar.
Flush entire braking system
Connect bleeder hose with container to bleed valve on rear right
brake caliper.
Open bleed valve and flush until clear, bubble-free brake fluid
emerges.
Close bleeder valve.
Follow same procedure on wheel brakes rear left, front right and
front left.
RA Bleeding brake system with DSC3 from 09/97, 750i/iL to 09/98
BMW AG - TIS
20.02.2013 22:22
Issue status (12/2007) Valid only until next DVD is issued
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