Quote:
Originally Posted by Whipple
The sensors don't measure approx pad thickness to the computer, the sensors are there for when you do get low the rotor rubs the sensor away and breaks the circuit and thats what gives you the check brake light on your dash ,at that point sensors and pads must be replaced,
If you were to install brand new pads and kept the worn sensor you will still have a check brake light on the dash
I believe that 1400 or what ever number is an approx installed by the BMW tech after he measures the thickness of the pad
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So sensor is a rotor measure?