Brake Wear Sensor BMW E70 E71 Series Various Models Rear is a rear-position sensor designed to monitor the condition of brake pads in compatible BMW vehicles from the E70 and E71 series. This sensor is part of the brake wear monitoring system and helps detect when brake pads have worn down to a level requiring replacement.
The sensor works by signaling the vehicle’s onboard system when the brake pads are nearing the end of their service life, alerting the driver to perform timely maintenance. This helps avoid potential brake damage or reduced braking efficiency. Buyers should compare this unit with the original sensor in terms of connector type and physical fitment on the rear brake assembly to ensure compatibility.
This listing covers the brake wear sensor component only and does not include coding, calibration, or fault repair services, which are not guaranteed. It suits BMW models within the E70 and E71 series that specify a rear brake wear sensor. Consider cross-checking the part number and sensor design against your existing part before purchase.
- Position: Rear brake assembly
- Part type: Brake wear sensor
- Compatible with: BMW E70 and E71 series various models
Need help matching this item to your vehicle? Use Mercedes W203 Master Cylinder, Vehicle Parts Finder or Request a Part with your VIN, engine number, part number or clear photos.





