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SEN-2BWS0149• Front• Disc Brake Pad Wear Sensor
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GeoBrakes stocks OEM-grade disc brake pad wear sensors confirmed to fit the Bmw M5, the single-use probe components that trigger your M5 dashboard warning light the moment your brake pads approach minimum thickness. Every sensor is direct-fit for the Bmw M5
Standard/OE$17.20
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A disc brake pad wear sensor on the Bmw M5 is your vehicle's advance warning system for brake pad replacement. It eliminates the need to rely on audible squealing from your M5 to know your pads are getting thin, instead triggering a dashboard warning light at a preset minimum thickness on the Bmw M5, giving you time to plan the replacement before the pads wear through to the metal backing plate. Replacing a triggered sensor with every M5 pad change is the only way to keep that early-warning system working for the next service interval.
The wear sensor on the Bmw M5 is a small probe embedded in or clipped to the brake pad. When the M5 pad wears down to the replacement threshold, the probe contacts the rotor surface. This contact creates a circuit change that signals the Bmw M5 ABS or brake control module, illuminating the brake warning light. Once the probe on the Bmw M5 has contacted the rotor, it is destroyed and cannot be reused. It is a single-use component by design on the M5.
Installing fresh brake pads on the Bmw M5 without fitting a new wear sensor defeats the entire purpose of having a brake monitoring system on your M5. A previously triggered sensor probe is worn through and has no remaining material to detect the next set of M5 pads wearing down. From day one of the new Bmw M5 brake pads, the warning system is non-functional without a new sensor.
Wear sensor compatibility for the Bmw M5 is more exacting than most brake parts. The probe length, contact resistance specification, and connector design must all match the M5 brake monitoring circuit precisely. A wrong sensor triggers Bmw M5 warnings at the wrong pad thickness, or not at all. Every sensor in the GeoBrakes catalogue is sourced to original equipment probe and connector specifications for the Bmw M5, with front and rear positions listed separately.
Do I need to replace the brake pad wear sensor every time I change pads on my Bmw M5?
Yes, on Bmw M5 vehicles equipped with electronic wear sensors. The sensor probe on your M5 is a single-use component. Once it has contacted the rotor and triggered the M5 warning light, the probe is consumed. Always replace the Bmw M5 sensor during every pad change.
Does my Bmw M5 have electronic brake pad wear sensors?
Many vehicles use a mechanical wear indicator instead of electronic sensors. Check your Bmw M5 owner's manual or use the GeoBrakes vehicle selector to confirm whether your M5 uses an electronic pad monitoring system.
Can a faulty wear sensor keep the brake warning light on my Bmw M5 on after new pads are installed?
Yes. If the Bmw M5 wear sensor from a previous brake service was not replaced, or if the probe has been damaged on your M5, the brake warning light will remain on even with new pads. Replacing the M5 sensor will clear the fault and restore normal operation.