This is a guide to repairing the Brake Sensor cable using a short repair cable. I obtained a VW short cable which much cheaper that the Audi long repair
Check Brake Pad Wear won't go away. - Forums
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Brake Pad Wear Sensor Repair Guide - Repairing the Socket
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Video: What Are Brake Pad Wear Sensors & When Should You Replace Them?
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Where do brake pad-wear sensor wires go?
BMW FRONT BRAKE PAD WEAR SENSOR REPLACEMENT REMOVAL LOCATION
