FRONT BRAKE PAD WEAR SENSOR / INDICATOR. PORSCHE CAYENNE TURBO S Electronic Disc Brake Pad Wear Sensor 08 09 10. AUDI Q7 VOLKSWAGEN TOUREG FRONT BRAKE PAD SENSOR INDICATOR 7L0907637. BRAKE PAD WEAR SENSOR SENSORS INDICATOR FRONT + REAR SET for BMW E70 X5 E71 X6.