The Genuine BMW Air Pump Hose - 11721438263 is a high-quality, OEM replacement part for BMW vehicles. This hose is designed to connect the air pump to the exhaust manifold, allowing for proper air flow and emission control. It is made from durable materials and is designed to meet the exact specifications of your BMW model. This air pump hose is essential for maintaining the performance and efficiency of your vehicle's emissions system. It is an important component in ensuring that your BMW meets emissions standards and runs smoothly.