The break pad wear sensor on your BMW is mounted on a front drivers side brake pad and will display a light on your active check control panel when your pads need to be replaced.
use a pad wear indicator :)
replace front brake pads
the wire that goes to the pad will have a positive and a negative wire. make sure that the original brake pad's wire is still plugged in, but cut the wire just short of the old pad and isolate each wire so they don't touch. when that circuit is completed, your brake wear indicator will light up
Carefully pry pad wear sensor from brake pad. Then insert brake pad wear sensor into cutout in new pad where applicable.
Excessive brake pad wear. Check the pads and look into getting them replaced.
The brake pad wear sensor is on the brake pads. On my 318ti, the sensor is on the left side, on the inboard pad.
Brake pad wear indicator (replace brake pads)
Brake pad wear indicator on left side of steering wheel. Glow plug indicator on right side.
To reset the low brake pad indicator on 2010 Ford Trans IT simply turn on the ignition and press the foot brake and the accelerator simultaneously. The accelerator and the foot brake should be pressed at the same time.
loose fan belt, or low power steering fluid. Depending on the sound, it could also be the brake pad wear indicator.
The E500 Brake Pad Wear Sensor goes on to the wheel of the 2003 Mercedes E500.
Disk brake pad indicator. When this illuminates (at other times than stating the engine) it indicates that the front disk brake pads should be replaced. Brake pad wear is always heavier on the front than on the back.