Oil Return Pipe BMW F20 F21 F30 F31 N13 Petrol Oil Turbo Hose Line 7608124

BMW F20 F21 F30 F31 N13 Turbocharger Oil Return Line is an original turbocharger system component designed for N13 petrol engines in selected BMW 1 and 3 Series models. This used part from the turbochargers and parts category allows for an economical and technically correct repair of the turbine lubrication system.

Specifications and technical data

• SKU: 7608124
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7608124
• Substitutable numbers: 11427608124, 7608124
• Fuel type: Petrol
• Category: Turbos & Parts

Purpose and function in the turbocharging system

The turbocharger oil return line is responsible for returning lubricating oil from the turbine housing back to the engine. Proper operation of this component is crucial for:

• stable lubrication of turbine bearings,
• maintaining proper oil pressure in the system,
• reducing the risk of leaks and exhaust smoke,
• extending the life of the turbocharger in the N13 petrol engine.

Thanks to its factory fit to N13 drive units, the hose maintains the correct geometry and flow diameter, which supports the correct operation of the entire lubrication system.

Construction, fitting and assembly

The cable offered is from the BMW OE line, which means it retains the original design, shape, and mounting points. This translates to:

• precise fit with the turbocharger and engine block without the need for modifications,
• proper oil management under high temperature and load conditions,
• compatibility with factory seals and fasteners.

The hose is designed for a petrol engine, so its design takes into account the specific operating conditions of units of this type – different exhaust gas temperatures, oil pressure characteristics and turbine operating conditions.

Technical condition and benefits of choosing a used part

The component is offered as a used part, significantly reducing repair costs compared to a new OEM replacement, while maintaining the original manufacturer's specifications. In the case of oil return lines, it is particularly important to:

• there were no deformations hindering the flow of oil,
• the attachment points remained stable,
• the working surface allowed for proper sealing with the turbocharger and engine.

For many turbocharged car owners, choosing a used OEM component is a reasonable compromise between cost and quality, especially when the repair involves a specific section of the system, such as the return line.

Application in N13 petrol engines

The N13 petrol engines used in the BMW F20, F21, F30, and F31 series utilize a turbocharger lubricated with engine oil, and the return line is a key component of this system. The correct component:

• reduces the risk of turbine overheating by efficiently draining oil,
• helps maintain the cleanliness of the intake system, reducing the possibility of oil entering the intake,
• helps maintain stable operation of the drive unit under load.

Replacing the return line is particularly recommended when reconditioning or replacing the turbocharger, as well as if oil leaks are detected around the turbine.

Related Products and Technical Knowledge

If you're looking for other BMW turbochargers and parts, check out our dedicated BMW turbochargers and parts section. There, you'll find a wide selection of turbocharger components tailored to various BMW models.

When planning driveline repairs—especially when considering used components like differentials, axles, or sensors—it's worth expanding your technical knowledge. For practical tips on assessing the condition of components and choosing parts safely, see the article: Second-Hand Differential: What You Should Know About Used Differentials, Sensors, and Drivetrains .

If you want to better understand how to optimize service costs while maintaining appropriate quality, the guide to the used parts market may also be helpful: Rising repair costs and the boom in used parts – how to save on car service?