BMW 1 Series E81 E87 LCI 123d N47S Engine Exhaust Manifold Oil Pipe 7809738

The BMW E81 E84 E87 LCI 123d N47S Oil Pipe Hose is an original BMW part designed for the N47S engine lubrication system in facelifted compact 1 Series and X1 models. This precisely shaped hose ensures stable oil flow, supporting proper cooling and lubrication of key engine components.

Specifications and technical data

• SKU: 7809738
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7809738
• Substitutable numbers: 11427809738, 7809738, 11427803607, 7803607, EM
• Category: Coolant Hoses

Purpose and Function of the BMW Oil Pipe

The oil pipe hose is responsible for the controlled transport of oil within the N47S engine, which directly impacts the durability of moving parts and the thermal stability of the unit. Proper oil flow reduces the risk of overheating and excessive friction, thereby supporting smooth engine operation across all load ranges.

This component is specifically designed for the LCI versions of BMW E81, E84, and E87 123d models, ensuring it maintains the factory oil routing geometry and compatibility with original mountings and connectors.

Benefits of Using an Original Oil Pipe Hose

Using an original oil pipe in the N47S engine allows for lubrication system operating parameters to be maintained in line with the manufacturer's specifications. Key benefits include:

• maintaining correct oil pressure and flow direction at critical engine points,
• precise fit to factory mounting points in the engine bay,
• reduced risk of leaks caused by incorrect hose shape or length,
• compatibility with other components of the oil lubrication and cooling system.

This ensures that the lubrication system and its associated oil cooling area maintain stable operating conditions, which is particularly important for high-performance diesel engines like the 123d.

Condition and Installation Aspects

The offered BMW E81 E84 E87 LCI 123d N47S Oil Pipe Hose is a used part, allowing for economical repair while maintaining original manufacturer specifications. A used OEM part is a good choice when the existing hose shows signs of wear, corrosion, or leaks.

The hose is designed for installation in place of the factory component, utilizing the original mounting points. Installation in a specialized service center is recommended, following procedures for bleeding and leak testing the lubrication system after engine startup.

Integration with Cooling and Lubrication Systems

Although the product belongs to the category of Cooling System Hoses and Pipes, it operates in close conjunction with the lubrication system and also influences the engine's thermal conditions. Stable oil flow aids in dissipating heat from the most stressed engine components, which is especially significant during prolonged driving under higher loads.

To better understand the relationship between engine operating temperature and the efficiency of the cooling and lubrication systems, it is worth reading the guide: Summer Heat vs. Cooling System: Used Radiators and Fans Guarantee Savings. This article discusses the impact of high temperatures on the cooling system and the importance of functional components in protecting the engine.

Expanding the System within the BMW Hoses and Pipes Group

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and require other parts from the same group, such as flexible hoses, rigid pipes, or additional connecting sections for fluid and oil systems, check the available parts in the category BMW Cooling System Hoses and Pipes.

Summary

The BMW E81 E84 E87 LCI 123d N47S Oil Pipe Hose is a functional, original part for the N47S engine that restores proper oil circulation and supports stable engine operating conditions. Choosing a used OEM hose offers a sensible compromise between repair costs and maintaining the factory characteristics of the lubrication system and its associated cooling area.