Gates TL170 Turbocharger Oil Return Line - Rear

Turbocharger Oil Drain Line for BMW Applications

The Gates TL170 turbocharger oil drain line is an OE Exact replacement built for oil return service in turbocharged BMW applications. It uses steel construction and OE-style fitment to help maintain a secure oil path from the turbocharger back to the engine.

Gates Turbocharger Oil Line products focus on oil conveyance to and from the turbocharger, with construction intended to handle high heat and resist leakage in the turbo system. The TL170 is a direct-fit turbocharger oil drain line for select BMW 1 Series M, 135i, 335i, 335is, 335i xDrive, 335xi, X6, and Z4 models.

Key Features

• OE Exact grade replacement for factory-style fitment
• Steel construction for durability in turbocharger service
• 10 in. centerline length for the specified application
• Bolt-on inlet fitting and push-on outlet fitting
• Includes turbocharger oil drain line and gasket
• Gates TL170 part number for easy identification

Detailed Description

The Gates TL170 is a turbocharger oil return line engineered for BMW turbocharged engines that require a precise oil drain path. Its steel body and OE Exact design support proper routing and connection at the turbocharger, helping preserve oil flow integrity under the elevated temperatures found in the turbo system. This part cross-references BMW 11427562800 for the same application. If you are replacing a leaking or heat-damaged BMW turbocharger oil line, the TL170 provides a direct-fit service part for the rear-position application listed below.

What This Part Helps Address

• Oil seepage at the turbocharger drain connection
• Cracked or heat-stressed factory oil return tubing
• Improper oil drainage from the turbocharger assembly
• Loss of sealing at the drain line interface
• Service replacement for a worn BMW turbocharger oil line

Installation Notes and Tips

• Verify the vehicle’s turbocharger oil line routing before installation.
• Confirm the inlet fitting type is bolt-on and the outlet fitting type is push-on.
• Inspect the mating surfaces and replace damaged seals or gaskets as needed.
• Check for proper alignment to avoid stress on the line after installation.
• Compatible With 2007-2010 BMW 335i, rear; 2008-2010 BMW 135i, rear; 2009-2015 BMW Z4, rear; and other listed BMW turbocharged applications.

Quality Assurance

Gates manufactures this turbocharger oil drain line as an OE Exact replacement for the specified BMW applications. The design is focused on reliable oil conveyance and heat resistance in turbocharger service. Part number TL170 is the reference to use when matching this line to the correct vehicle application.