BMW 5 Series E60 E61 LCI 520d N47 Oil Cooler Outlet Pipe Hose Line 7799753

The BMW E60 E61 LCI 520d N47 Oil Cooler Hose is an original lubrication system component designed for facelifted BMW 5 Series models with the N47 engine. This used hose ensures a factory fit while offering an economical service solution for discerning users. By adhering to manufacturer specifications, it is a reliable choice for oil cooling system repairs.

Specifications and technical data

• SKU: 7799753
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7799753
• Substitutable numbers: 17227799753, 7799753
• Category: Engine Oil Coolers & Lines

Purpose and Function in the Oil Cooling System

The oil cooler hose in BMWs with the N47 engine is responsible for the safe supply and return of oil between the engine and the oil cooler, stabilizing the powertrain's operating temperature. In E60 and E61 LCI models, this is crucial for engine longevity, especially during highway driving and under high load conditions.

Components in the Oil Coolers and Hoses category must maintain proper sealing and resistance to operating pressure to prevent leaks and oil pressure drops. Using an original hose dedicated to a specific BMW configuration minimizes the risk of installation issues and leaks.

Benefits of Using an Original BMW Hose

Choosing an oil cooler hose from BMW OE primarily guarantees compatibility with the factory system geometry. The correct profiling, length, and mounting points contribute to:

• proper routing of the hose in the engine bay without stress or kinks,
• a stable connection to the oil cooler and engine block,
• reduced risk of rubbing against other components and premature wear,
• maintaining proper oil flow across the entire load range.

For BMW 5 Series owners, it's important that using an original part preserves the structural integrity of the lubrication system, supporting stable oil temperatures and the proper long-term operation of the N47 engine.

Product Characteristics and Condition

The offered hose is from the BMW parts group and is a used item, providing a favorable price-to-quality ratio while maintaining its original origin. This type of solution is particularly attractive for maintenance repairs where fit and functionality are key, rather than necessarily purchasing a new component.

The hose is suitable for users who expect parts that comply with original BMW specifications while also wanting to reduce service costs without compromising the proper functioning of the oil cooling system.

Operation in High Temperatures and Practical Tips

The oil cooling system in modern diesel engines, such as the N47, is particularly stressed during summer heat and intense driving. A functional oil cooler hose helps maintain stable engine operating parameters, reducing the risk of oil overheating and accelerated wear of cooperating components.

If you want to better understand how thermal conditions affect the cooling system and why appropriately selected, even used components can be a sensible choice, check out the guide Summer Heat vs. Cooling System: Used Coolers and Fans for Guaranteed Savings. This is a practical addition to your knowledge when planning service work on your BMW.

Expanding the BMW Oil Cooling System

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 coolers, or lubrication system connectors, check the available parts in the BMW Oil Coolers and Hoses category.