Oil Pipe BMW F90 M5 F92 M8 S63M Cyl. 5-8 Turbocharger Return Line 7852376

The BMW F90 M5 F92 M8 S63M Cyl 5-8 Turbo Oil Line is an original turbocharger and parts component designed for the S63M petrol engine with a 5-8 cylinder configuration. This oil line ensures proper lubrication of the turbocharger, ensuring stable engine operation and safe use of its potential.

Specifications and technical data

• SKU: 7852376
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7852376
• Substitutable numbers: 7852376, 11427852376
• Fuel type: Petrol
• Category: Turbos & Parts

Purpose and function of the turbo oil line

The BMW F90 M5 F92 M8 S63M Cyl 5-8 turbo oil line is responsible for supplying engine oil to the turbocharger serving the appropriate cylinder bank. Stable oil pressure and flow are crucial for turbine bearing durability, reduced friction, and heat dissipation from the rotor under high load.

This component is particularly important in the highly loaded S63M petrol engines, where the turbochargers operate over a wide RPM range. A functioning oil line helps maintain:

• proper lubrication of the charging system during dynamic driving,
• stable operating temperature of the turbocharger,
• reduced risk of seizure of rotating components.

Benefits of using the original BMW cable

The original BMW turbo oil hose ensures a factory fit for the turbocharger system in the F90 M5 and F92 M8 models with the S63M engine. This allows:

• the geometry and diameter of the cable are in accordance with the manufacturer's requirements,
• the mounting points match the factory brackets and connectors,
• The tightness of the connections is maintained without the need for modifications.

This solution reduces the risk of leaks, oil pressure drops and improper turbocharger cooling, which is important for both the performance and durability of the entire system.

Condition, assembly and service application

The hose is in used condition, allowing for a more economical replacement than a new part, while maintaining the original BMW specification. This is a practical solution in situations such as:

• repair after turbocharger failure,
• removing oil leaks in the charging area,
• preventive replacement during a major S63M engine service.

Due to its factory origins, the hose is ready to be installed in place of a worn component without the need for any modifications. Installation at a specialized service center is recommended, with proper procedures for bleeding and checking the lubrication system for leaks.

Compatibility within the BMW turbocharger and parts category

If you are looking for other turbochargers and BMW parts for the expansion or servicing of your supercharging system, check out the turbochargers and BMW parts available in our store to select components that meet the requirements of your engine.

Technical knowledge and parts selection

When planning a turbocharger service, it's important to understand the specifics of BMW engines and their typical service needs. To compare the characteristics of different BMW engines – in terms of performance, reliability, and maintenance costs – you can refer to the article "BMW N47 vs M57 / M57N / M57N2 – Ranking of Legendary Diesels ," which helps you better understand the design philosophy of BMW engines and consciously plan maintenance and repairs.