The Genuine BMW ABS Wheel Speed Sensor - 34526869321 is a high-quality, OEM (original equipment manufacturer) replacement part for BMW vehicles. It is designed to accurately measure the rotational speed of the wheels and send this information to the vehicle's ABS (anti-lock braking system) control module. This allows the ABS system to adjust the braking force and prevent the wheels from locking up during sudden or hard braking, improving overall vehicle safety. This ABS wheel speed sensor is made from durable materials and is designed to meet the strict quality standards of BMW. It is compatible with various BMW models and is a direct fit replacement for the original sensor.