3 Series E36 M3 (S52) SAL
M41 / M51
Detach vacuum line (1) from brake booster. Insert adapter
34 3 101. Fit vacuum tester 34 3 100 between vacuum line
and adapter 34 3 101.
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Start engine.
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Check buildup of partial vacuum.
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Switch off engine.
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Press brake pedal to set a partial vacuum of no more than
0.8 bar and wait for value to stabilize.
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When the brake pedal is not pressed, the partial vacuum is
allowed to drop by max. 0.06 bar over a test period of 1
minute.
If specified values are not reached:
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Check line connections for vacuum seal.
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Replace vacuum non-return valve.
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Check seal between brake booster and brake master cylinder
(sealing ring) for perfect condition and correct seating.
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If the specified values are not achieved when the test is
repeated, you must replace the brake booster.
RA Checking brake booster (low-pressure test)
BMW AG - TIS
10.02.2013 09:51
Issue status (12/2007) Valid only until next DVD is issued
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