First pass BMW E39 Brake Pressure Sensor diagnostic test DIY procedure:
To help answer that question, I annotated this picture (copied verbatim from post #522 of the canonical ABS trifecta thread).
no-one has discussed which exact wires to test
Let me know if I made any mistakes or omissions.
Last edited by bluebee; 01-07-2012 at 12:08 PM.
Reason: Updated the diagram