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$77.66
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SEN-2ABS0556• Rear• ABS Wheel Speed Sensor
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GeoBrakes stocks a complete range of passive and active ABS wheel speed sensors confirmed to fit the Bmw 1 Series M, each sourced to OEM specifications for direct-fit installation and reliable ABS performance on your 1 Series M. Every Bmw 1 Series M sensor is compatible with traction control and stability control systems.
Standard/OE$77.66
10 items in stock
Select your vehicle to see compatible products and accurate pricing
Your Bmw 1 Series M ABS wheel speed sensor is the component that makes anti-lock braking possible on your 1 Series M. It monitors the rotational speed of each wheel in real time and sends that data to the Bmw 1 Series M ABS control module, which uses it to prevent wheel lockup during emergency stops. When a sensor fails on your 1 Series M, your ABS loses the input it needs. On wet, icy, or gravel road surfaces, the difference between a controlled stop and a skid can come down to whether your Bmw 1 Series M wheel speed data is reaching the module.
The ABS wheel speed sensor on the Bmw 1 Series M is an electromagnetic or Hall-effect sensor mounted near each wheel hub or bearing assembly of your 1 Series M. It generates an electronic signal as a toothed reluctor ring rotates past it, producing a frequency the 1 Series M ABS module interprets as wheel speed. On most modern Bmw 1 Series M vehicles, this same data feeds the traction control system, electronic stability control, and electronic brake force distribution, making a functioning wheel speed sensor critical to the safe operation of multiple 1 Series M systems simultaneously.
GeoBrakes stocks both passive and active ABS wheel speed sensors for the Bmw 1 Series M. Passive sensors use an analog signal and are found on older 1 Series M vehicles and many trucks still in service. Active Hall-effect sensors require a small power supply and output a clean digital signal, offering greater accuracy at very low speeds. Active sensors are standard on most Bmw 1 Series M vehicles manufactured after the mid-2000s and are required for full compatibility with modern 1 Series M traction and stability control systems.
Signal accuracy matters as much as fitment with Bmw 1 Series M wheel speed sensors. A sensor that generates the correct frequency for your 1 Series M ABS module ensures consistent ABS calibration, proper traction control thresholds, and accurate stability control response on your Bmw 1 Series M. Every sensor in the GeoBrakes catalogue is matched to the Bmw 1 Series M through our vehicle selector, with front and rear positions listed separately to eliminate position errors on your 1 Series M.
Can I drive my Bmw 1 Series M with a faulty ABS wheel speed sensor?
You can drive the Bmw 1 Series M with a failed ABS sensor, but the anti-lock braking system on your 1 Series M will be completely disabled. On icy or wet American roads, this significantly increases stopping distances and the risk of losing steering control during hard braking on your Bmw 1 Series M. Replacing a failed sensor promptly is strongly recommended, particularly before winter.
How do I find the right ABS sensor for my Bmw 1 Series M?
Use the GeoBrakes vehicle selector and enter the Bmw 1 Series M year, make, and model. The system displays only the sensors confirmed to fit the Bmw 1 Series M, with front and rear positions listed separately. Select the position matching the sensor you are replacing on your 1 Series M to avoid receiving the wrong unit.
Do I need to replace all four ABS sensors on my Bmw 1 Series M at the same time?
No. ABS wheel speed sensors on the Bmw 1 Series M are independent components and only the failed unit needs to be replaced. However, if your 1 Series M has high mileage and one sensor has failed, it is worth visually inspecting the connectors on the other Bmw 1 Series M sensors for corrosion while the wheel is removed.