DISTANCE SYSTEMS - REPAIR INSTRUCTIONS - 525i
- Park distance central
- 66 20 520 Removing and installing/replacing an ultrasonic transducer at front (Park Distance Control)
- 66 20 538 Removing and installing / replacing a rear ultrasonic converter (center)
- 66 20 540 Removing and installing / replacing a rear ultrasonic converter (side)
- 66 20 560 Removing and installing / replacing signal sensor