The Genuine BMW Sound Insulation For Upper Partition Trunk - 51489113246 is a high-quality sound insulation product designed specifically for BMW vehicles. It is used to reduce the amount of noise that enters the trunk area of the vehicle, providing a quieter and more comfortable driving experience. This sound insulation is made from durable materials and is designed to fit perfectly in the upper partition of the trunk, providing excellent coverage and protection against noise. It is an essential accessory for those who value a quiet and peaceful driving experience.