The Genuine BMW Rear Left Loudspeaker (HifiSystem) - 65138357879 is a high-quality speaker designed specifically for BMW vehicles. It is located in the rear left side of the car and is part of the HifiSystem, providing superior sound quality for an enhanced driving experience. This speaker is made with genuine BMW parts and is compatible with various BMW models. It is a reliable and durable option for those looking to upgrade their car's audio system.