The Genuine BMW ABS Wheel Speed Sensor is a high-quality component designed specifically for BMW vehicles. This sensor is responsible for monitoring the speed of each wheel and relaying this information to the vehicle's anti-lock braking system (ABS). It helps to prevent wheel lock-up and maintain traction during braking, improving overall safety and control. This particular sensor has a part number of 34526784991 and is a genuine BMW product, ensuring a perfect fit and reliable performance.