The Genuine BMW Battery Cable Negative (//M 645Ci 650i) - 61217620566 is a high-quality replacement part for BMW vehicles. This battery cable is specifically designed for the //M 645Ci and 650i models. It is made from durable materials to ensure long-lasting performance and reliable electrical connections. This cable is essential for proper functioning of the vehicle's electrical system and is an important component for starting the engine. It is an authentic BMW product and is guaranteed to fit and function just like the original part.