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Old 01-10-2012, 12:00 PM
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bluebee bluebee is offline
Seek to understand,^Value
Location: San Jose, California
Join Date: Mar 2008
Posts: 25,236
Mein Auto: 02 BMW 525i M54 auto 130K
Dunno if it will help, but, the brake pressure sensor is supposed to measure how much pressure your brake pedal is generating.

All you need is a DMM/VOM and a helper.

This should provide enough information for you to test how much pressure is being generated:
- ABS BRAKE DSC trifecta brake pressure sensor diagnostic test DIY (1)

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