What to do if the BMW X1 rear wheel brake warning line has no power?

1 Answers
BraydenAnn
07/29/25 6:18pm
If the rear wheel brake warning line has no power, first check if the wiring harness connector is loose. Here are the relevant steps: 1. Unplug and reconnect the connector. If the circuit still has no power, then you can only replace the new warning line. After replacement, a reset is required. If the reset fails, you can drive for a while to let the system automatically read the data and reset. 2. If the brake warning light of the X1 comes on, it indicates that the warning circuit is functioning properly, and the issue is severe brake pad wear, requiring replacement. The BMW X1 brake pads can normally last for over 30,000 kilometers, with no fixed replacement interval. The original equipment uses ATE and Brembo brake pads, with specific models varying by vehicle type. The BMW X1 rear wheels are equipped with an electronic parking brake motor. First, the brake caliper must be retracted using a specialized computer, and then the brake pads can be replaced using disassembly tools. The front wheel brake caliper can be directly disassembled with tools, so no computer setup is required.
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