The Genuine BMW Control Unit Centre Armrest Rear Comp. - 61316989997 is a component used in BMW vehicles to control the functionality of the rear center armrest. This unit is responsible for operating features such as adjusting the armrest height and opening/closing the storage compartment. It is an essential part of the armrest system and ensures smooth and efficient operation. This product is a genuine BMW part, meaning it has been manufactured to the highest standards and is designed specifically for BMW vehicles. It is a reliable and durable component that is essential for a comfortable and functional driving experience.