The Genuine BMW Switch Multifunct. Steering Wheel (MDrive) - 61317842435 is a multifunctional switch designed specifically for BMW vehicles. It is located on the steering wheel and allows the driver to control various functions of the car without taking their hands off the wheel. This switch is compatible with the MDrive feature, which allows for personalized settings for the vehicle's performance and handling. It is a genuine BMW product, ensuring high quality and compatibility with the vehicle.