Genuine BMW Turbocharger Bypass Valve With Hose - 11657556555 - This genuine BMW turbocharger bypass valve with hose is an OEM replacement part for your BMW. It helps to maintain the correct pressure in the turbocharger system and is designed to ensure optimal performance. The hose is made from a durable material and is resistant to corrosion and abrasion. This valve is an essential part for your BMW and will help keep your engine running smoothly.