I have recently had my front brake pads changed along with the sensor (R56).Got it done privately as local Mini Garage wanted £165. Found reset instructions on this forum from user ONED(nice one) . Followed them and got to the service menu. Attempted to reset and the little clock symbol comes up to say that its processing the reset but then it just goes back to zero and the warning light stays on. ARGGGHHH! so frustrating. Looks like another trip to mini unless anyone else can help!
I have this issue too. Brake pad has 75% left as it was changed months ago with new sensor, brake warning says only 490km left. Tried resetting it in the service menu - I can reset the other issues (oil, brake fluid etc) but the front brake pad refuses to reset and remain 490km.
Second problem with mileage reset the sensors are graduated.
Easiest way to exes plane is imagine a ladder with 12 runs (steps) each run is 1000 miles,
as you ware the sensor away the resistance changes and changes the mileage on the display.
That's why the brake ware indicator jumps in such large jumps steps.
Only way to reset it properly is to change the sensor :-(
I've read elsewhere that the second generation brake wear sensor has two steps, in addition to being unworn, so that it has three conditions:
- triggered part-wear sensor;
- triggered full wear sensor.
So although the mileage 'left' just after a reset is the standard Mini have programmed in, the countdown of the last few thousand miles, after the part-wear sensor is triggered, becomes more accurate.
And even the full wear sensor appears to be set that there's time to get the car booked in for a brake service, rather than showing the pad backing plate has already damaged the disc.
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