From digest.v6.n571 Wed Apr 23 06:22:48 1997
From: "Brett Anderson" <Bretta_at_webspan.net>
Date: Tue, 22 Apr 1997 21:49:42 -0400
Subject: Re:<e36> BLEEDING ABS BRAKES
> From: Rich Gay <rich_gay_at_fsti.com>
> Date: Tue, 22 Apr 97 11:50:46 -0500
> Subject: Re: bmw-digest V6 #565
> >This is from the BMW Repair Instructions fiche:
> >'95 M3 with ABS:
> >"Carry out bleeding routine only after opening ABS hydraulic system-
> >refer to BMW Diagnosis System No. 50" (this opens a switch on an ABS
> >valve, according to my Chilton's manual (Chilton's threatens death if
> >you screw it up; I guess your car turns into an Audi 5000's sister)).
> Would one be wise then to _not_ perform the fluid change without
> performing this step? What is the purpose of this step - to get rid of
> the old fluid contained within the ABS unit? Skipping this step should
> only result in a small amount of old fluid remaining, would this be a
> Have any of you changed the fluid yourself and not done this step?
> Alternately, is there a way to perform this step without connecting to
> the dealer's service computer?
> - Rich
> '95 M3
Rich, there is a difference between bleeding the brakes and flushing the
fluid. You are correct in your assumption that a small amount of old fluid
will be left in the system.
The ABS only needs to be force activated if there is air in the system,
therefore, flushing the fluid will not cause a problem as long as you do
not allow the reservoir to run dry.
BMW and ASE master technician
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