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What does the BMW 480a11 permanent fault mean?

1 Answers

LeEsther

07/29/25 9:34pm

The meaning of the BMW 480a11 permanent fault is: Brake friction pads, drive with caution, and the alarm status is displayed. Solution: Cancel the alarm; Replace the brake friction pads and wear sensor; Perform operations on the instrument panel to reset the maintenance mileage of the brake friction pads. Function of the wear sensor: Generally, BMW models are equipped with a "wear sensor" on the brake friction pads of the left front wheel and the right rear wheel. This wear sensor wears along with the friction pads, thereby changing the internal circuit structure. Friction pad wear reaches the limit: When the friction pads wear to the point of needing replacement, the wear sensor will transmit the wear information of the friction pads to the vehicle's computer, which then triggers an alarm to remind the owner to replace the brake friction pads as soon as possible.

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