Description

Turbocharger Vacuum Hose for BMW 3.0L Turbo Engines The Turbocharger Vacuum Hose 11657588771 is a direct-fit replacement designed for BMW 3.0L turbocharged engines found in popular models, including the 535i, 335i, X3, and X5 . This hose plays a critical role in maintaining proper vacuum pressure between the turbocharger, boost control system, and engine management components. Over time, factory vacuum hoses can crack, harden, or leak due to heat and pressure exposure. A failing hose may cause boost leaks, reduced turbo response, loss of power, check engine lights, or poor fuel efficiency . This BMW turbo vacuum hose is manufactured to OEM standards, ensuring precise fitment, correct internal diameter, and long-lasting resistance to heat, oil, and engine vibration. Key Features & Benefits Direct-fit replacement for OEM part 11657588771 Maintains correct vacuum pressure for turbo boost control Helps prevent boost leaks and turbo lag Heat- and oil-resistant rubber construction Restores smooth acceleration and engine efficiency OEM-spec fit with no modifications required Ideal for maintenance or turbo system repairs OEM Part Number BMW 11657588771 Engine Compatibility BMW 3.0L Turbocharged Engines (N55 / N54 applications) Vehicle Applications BMW 335i: 2007–2013 BMW 535i: 2011–2016 BMW X3: F25 2011–2017 BMW X5: F10 / F07 platforms BMW 5 Series GT (F07) BMW 5 Series (F10) (Confirm fitment by part number before purchase.) Frequently Asked Questions – BMW Turbocharger Vacuum Hose What does a turbocharger vacuum hose do? It carries vacuum pressure required to control turbocharger operation and related engine management components. What are symptoms of a bad vacuum hose? Common symptoms include turbo lag, loss of boost, check engine lights, rough acceleration, and reduced fuel efficiency. Is this hose a direct replacement? Yes, this vacuum hose is designed to directly replace OEM part number 11657588771 with no modifications. Which BMW engines does this fit? This hose fits BMW 3.0L turbocharged engines used in models such as 335i, 535i, X3, and X5. Can a leaking vacuum hose affect turbo performance? Yes, vacuum leaks can prevent proper turbo control, resulting in reduced boost and poor engine performance. Is professional installation recommended? Professional installation is recommended to ensure correct routing and secure connections.