BMW 1 Series E87 Oil Cooler Pipe Inlet Transmision Diesel M47N2 120d

BMW 1 Series E87 Oil Cooler Pipe Inlet Transmision Diesel M47N2 120d is an original lubrication system component designed for installation in the front section of BMW diesel vehicles. Thanks to its factory geometry and precise fit for the specific platform, it ensures stable oil flow and proper cooperation with other engine components. It is a practical service solution for users who want to maintain consistency with the factory design of the power unit.

Specifications and technical data

• SKU: 7804142
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7804142
• Substitutable numbers: 17227804142, 7804142, 17227788854, 7788854, 17224714644, 4714644, 17227788855, 7788855, 17224714188, 4714188, 17227804143, 7804143
• Location on the vehicle: Front
• Fuel type: Diesel
• Category: Caps

Purpose and function of the oil pipe

The presented oil pipe has been designed for lubrication systems in BMW 1 Series E87 generation models with diesel engines. It is responsible for the controlled flow of operating oil between system components, which is crucial for the durability of the turbocharger, bearings, and other parts requiring constant lubrication. Its location in the front of the vehicle facilitates easier service access and reduces the time required for replacement.

By maintaining factory diameters and shape, the pipe allows for the maintenance of proper oil pressure in the system, which translates into stable operation of the power unit and reduces the risk of overheating cooperating components.

Benefits of using an original BMW pipe

Using an original oil pipe in a BMW E87 has several significant advantages from the perspective of operation and service:

• maintenance of factory oil flow characteristics in the diesel engine,
• secure fit to mounts and routing in the engine bay,
• reduction of the risk of leaks resulting from imprecise fitting,
• consistency with BMW service documentation and repair procedures.

For workshops and users, this means more predictable installation and a lower risk of needing modifications or additional adjustments during component replacement.

Application in diesel engines

The pipe has been prepared with the specifics of BMW diesel units in mind, where oil operates under demanding thermal and pressure conditions. In such systems, it is particularly important to maintain tightness and the appropriate pipe cross-section to ensure:

• stable lubrication of rotating and sliding elements,
• proper oil cooling of selected components,
• reduction of the risk of pressure drops at critical points in the system.

A well-selected oil pipe helps maintain repeatable engine performance parameters, which is important for both durability and the refinement of the power unit.

Installation characteristics and condition of the element

The item comes from disassembly and is intended for reinstallation in a vehicle where restoring the factory routing of oil pipes is required. This type of part is particularly useful in situations where there has been mechanical damage to the existing pipe, external corrosion, or leaks at the connections. Using an original component allows for maintaining compliance with the factory oil routing system without the need for installation modifications.

Completing the system in the BMW E87

Replacing the oil pipe is worth considering during major service work in the front of the engine, such as removing accessories, turbocharger regeneration, or repairs related to the oil cooling system. This allows for restoring the proper condition of several cooperating components in one stage and reducing vehicle downtime in the future.

If you are planning a comprehensive repair or upgrade of the body area in your BMW and need other elements from the same group, such as covers, decorative profiles, or protective trim elements, check the available parts in the BMW Overlays category.

For drivers interested in a broader perspective on the selection of drivetrain components and the relationship between gear ratios and driving characteristics, the guide article Dismantled drive axles and differentials – how to choose gear ratios for your driving style may be helpful, as it organizes key concepts and facilitates planning further drivetrain modifications.