BMW E90 LCI F20 F30 N55 Engine Turbo Charger Oil Cooling Line Pipe Hose 7583900

BMW E90 LCI F20 F30 N55 Engine Turbo Charger Oil Cooling Line Pipe Hose is an original component from the Lines, hoses and pipes group, designed for the turbocharging system in BMW petrol engines. It ensures stable oil flow in the turbine area, which translates into safe engine operation and predictable lubrication conditions at high temperatures.

Specifications and technical data

• SKU: 7583900
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7583900
• Substitutable numbers: 11537583900, 7583900
• Fuel type: Petrol
• Category: Hoses, Lines & Pipes

Purpose and function in the turbocharging system

The turbo oil cooling line in BMW models with the N55 engine is responsible for the controlled flow of oil in the turbine area, which is crucial for maintaining the proper temperature and protecting rotating components. In petrol units with higher thermal loads, stable oil supply reduces the risk of overheating, seizing, and a drop in turbocharger efficiency.

This component is designed as part of a pressure system, which is why its proper geometry, internal diameter, and routing have a direct impact on engine performance. Using a line that complies with factory specifications allows for maintaining the engine's operating characteristics in accordance with the manufacturer's design.

Benefits of using an original BMW line

Using a turbo oil line sourced from the dismantling of an original BMW system ensures:

• preservation of the factory oil flow characteristics in the turbine area,
• proper fitment to mounting points and connectors in the N55 engine,
• consistency with other components of the oil lubrication and cooling system.

This reduces the risk of leaks, incorrect line positioning, or thread incompatibility, which is typical for replacements with imprecise parameters. A used OEM component also allows for maintaining a favorable cost-to-quality ratio while keeping the construction consistent with the manufacturer's design.

Condition, installation, and fitment

The line is sourced from dismantling and is intended for reinstallation in BMW vehicles with a petrol engine equipped with an N55 turbocharger. Before installation, a standard visual inspection for any mechanical marks and verification of tightness after mounting in the vehicle is recommended.

Due to its factory origin, the line is structurally matched to the original brackets, clamps, and connections in the engine bay. This facilitates the mechanic's work, shortens installation time, and reduces the risk of stress resulting from improper line routing in the tight space near the turbocharger.

Support for the circular economy

Choosing a used turbo oil line from dismantling is not only a saving but also a real contribution to reducing the consumption of raw materials and energy needed to produce new parts. If you want to better understand how such decisions affect the environment and your household budget, it is worth reading the article on the circular economy and the benefits of installing used parts in your car.

Related BMW oil system components

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as additional oil lines, oil return hoses, or pipes supplying the medium to the turbine, check the available parts in the BMW lines, hoses and pipes category.