The Genuine BMW Channel Seal Outer Door Rear Left (Gloss Black) - 51357260535 is a high-quality, authentic BMW part designed to seal the outer door of the rear left side of a vehicle. It is made from durable materials and has a glossy black finish for a sleek and stylish look. This product is specifically designed for use with BMW vehicles and is an exact replacement for the original part. It helps to keep out water, dust, and other debris from entering the door, ensuring the interior of the vehicle stays clean and dry. This channel seal is essential for maintaining the proper function and appearance of the vehicle's door.