BMW 5 6 Series E60 E63 N52 Radiator Oil Cooler Inlet Outlet Pipe 7559950 7559951

BMW E60 E63 N52 Oil Cooler Hose is a component from the Oil Coolers and Hoses category, designed for the lubrication system in N52 engines used in BMW 5 Series E60 and 6 Series E63 models. It ensures a secure, leak-free connection between the oil cooler and the rest of the system, supporting stable engine operating temperatures and safe heat dissipation.

Specifications and technical data

• SKU: 7559951
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7559951
• Substitutable numbers: 17227559950 17227559951, 7559950 7559951, 17227573106 17227573107, 7573106 7573107, 17227534891 17227534892, 7534891 7534892
• Category: Oil Coolers & Lines

Purpose and Function in the Oil Cooling System

The hose, as part of the N52 engine's oil cooling system, is responsible for transporting oil between the cooler and the rest of the lubrication installation. A properly selected hose ensures:

• stable oil flow under pressure,
• maintenance of appropriate engine operating temperature,
• reduction of overheating risk in urban and highway conditions.

Due to its specific fit for the BMW 5 and 6 Series generation, the hose works with the factory oil cooling system, maintaining the original routing geometry and mounting points.

Original BMW Origin and Interchangeable Numbers

The product comes from the BMW OE line, meaning it adheres to factory standards for material quality, inner diameter, and connection shapes. The hose has a dedicated OEM part number and assigned interchangeable numbers, making it easy to verify its compatibility with a specific vehicle configuration in the BMW catalog or with a service advisor.

The presence of reference numbers allows for seamless integration of the hose with various equipment variants within the same vehicle generation, without requiring system modifications.

Condition, Installation, and Service Aspects

The item is used, which in practice means a favorable compromise between cost and maintaining the original manufacturer's specifications. For oil hoses, it is particularly important to:

• check the tightness of connections after installation,
• use new seals in accordance with the vehicle manufacturer's recommendations,
• perform a visual inspection for any leaks after the first engine operating cycles.

The hose is designed for installation in place of the original component, maintaining the original routing. This eliminates the need for system modifications or additional brackets, simplifying the mechanic's work and reducing service time.

Benefits of Using an Original Oil Cooler Hose

Using an original hose in the oil cooling system of an N52 engine BMW offers several practical benefits:

• Factory Fit – maintaining the original length, diameter, and connection shape minimizes the risk of stress and leaks.
• Stable Lubrication System Operation – proper oil flow supports the longevity of the powertrain, especially under higher loads.
• Hassle-Free Diagnostics – compatibility with OEM and interchangeable numbers simplifies part identification in service documentation.

For drivers who operate their BMWs in diverse conditions – from city driving to longer journeys – a functional oil cooler hose is an important element of preventative maintenance against oil overheating and accelerated engine wear.

BMW Oil Coolers and Hoses – Selection and Technical Knowledge

If you are looking for other BMW Oil Coolers and Hoses compatible with your model, check out our offer: BMW oil coolers and hoses. You will find a wide selection of oil cooling system components there, facilitating comprehensive service.

When planning work on the oil cooling system, it is also worth familiarizing yourself with the impact of high temperatures on the entire engine cooling system. Practical tips can be found in our guide: Summer Heat vs. Cooling System: Used Coolers and Fans Guarantee Savings, which will help you better plan maintenance and potential replacement of components working with the oil cooler.