Oil Pipe BMW F10 M5 F13 M6 X5 E70 S63 Turbocharger Oil Hose Line 5-8 Cyl 7844987

The BMW F10 M5 F13 M6 X5 E70 S63 Turbocharger Oil Hose 5-8 Cyl is an original turbocharger and parts component designed for the S63 engines in BMW's sporty models. It ensures a stable oil supply to the turbocharger for cylinders 5-8, which is crucial for the durability of the turbocharger system and engine operational safety.

Specifications and technical data

• SKU: 7844987
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7844987
• Substitutable numbers: 7844987, 11427844987, 7589096, 11427589096
• Category: Turbos & Parts

Purpose and function of the turbocharger oil line

The turbocharger oil line in the S63 engine is responsible for precisely lubricating and cooling the turbine bearings serving cylinders 5-8. In high-performance engines like the M5 F10, M6 F13, or X5 E70, stable oil pressure in this area is essential to maintaining proper turbocharging system operation, reducing friction, and reducing the risk of rotor overheating.

Replacing a worn or leaking hose with an original part from the same BMW product line restores proper oil circulation in the turbocharger section responsible for the second cylinder bank. This is especially important in V8 engines, where thermal and pressure loads are significantly higher than in standard naturally aspirated units.

Benefits of using the original BMW cable

Using a turbocharger oil line dedicated to a specific S63 engine configuration brings a number of practical service and operational benefits:

• Factory fit – geometry, internal diameter and mounting points are consistent with the manufacturer’s solution, which simplifies installation and minimizes the risk of stress on the joints.
• Stable turbocharger lubrication – a properly selected pipe cross-section helps maintain proper oil flow to the turbine bearing section serving cylinders 5–8.
• Reducing the risk of leaks – proper fitting of tips and seals reduces the likelihood of leaks occurring in the critical hot area of the exhaust system.
• Consistency with the turbocharger system – the pipe is part of the same design platform as the other components of the S63 engine’s turbocharging system.

Product characteristics and condition

This turbocharger oil hose comes from BMW's original equipment line and is classified as a used item. This means it has been removed from the donor vehicle and may show signs of normal wear and tear, while maintaining the functionality required for continued use. This type of component is particularly attractive for repairs where maintaining the original specifications of the turbocharger system while optimizing service costs is key.

Selecting a used turbocharger oil line from a disassembled unit is a solution that maintains the structural integrity of the entire turbocharger lubrication system without the need to use substitutes with unreliable parameters. For workshops specializing in servicing M5, M6, and X5 models with the S63 engine, this is a practical option for performing comprehensive turbocharger system repairs.

Application in the S63 engine – service aspects

In S63 engines, the turbocharger oil line for cylinders 5–8 operates in close proximity to high temperatures and variable pressure loads. Therefore, it is recommended to inspect the oil line condition during turbocharging system service, especially in the following cases:

• symptoms of power loss or unstable operation of the turbocharger,
• visible traces of oil around the cable connections,
• overheating of the drive unit during dynamic driving,
• repairs after turbocharger failure or after interference with the exhaust system.

Replacing the hose with an original part from the same design family reduces the risk of recurring failures resulting from improper oil flow or leaks at the connections. For owners of BMW M5 F10, M6 F13, and X5 E70 models with the S63 engine, this is an important step towards maintaining stable operating parameters of the supercharging system.

Circular economy and selection of used parts

Purchasing a used turbocharger oil line aligns with the principles of the circular economy – instead of manufacturing a new component, a part that still performs its intended function is used. This significantly reduces waste and raw material consumption, while simultaneously lowering repair costs. To better understand how choosing salvage parts impacts the environment and your maintenance budget, check out our article on the circular economy and the benefits of installing used parts in your car .

Other turbochargers and parts for BMW

If you're looking for other turbochargers and BMW parts, check out our turbochargers and BMW parts catalog. This will help you easily assemble the components you need for a comprehensive turbocharger service.