BMW E60 E61 M47N2 Gearbox Oil Cooling Pipe Inlet Outlet Hose Line 7800489

Visual condition of the part 

The product shows signs of use visible in the photos. 

BMW E60 E61 M47N2 Gearbox Oil Cooling Pipe Inlet Outlet Hose Line is an original lubrication system component for the automatic transmission, designed for BMW 5 Series E60/E61 models with the M47N2 engine. This component from the Oil coolers and lines category is responsible for the safe routing of transmission oil between the gearbox and the cooling system, which is crucial for the stable operation of the automatic transmission.

Specifications and technical data

• SKU: 7800489-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7800489
• Substitutable numbers: 7800489, 17227800489, 7787462, 17227787462
• Gearbox type: Automatic
• Category: Oil Coolers & Lines

Purpose and function of the gearbox oil line

The gearbox oil line in the BMW E60/E61 M47N2 operates in a demanding environment of high temperature and pressure, which is why its tightness and proper oil flow are essential for the durability of the automatic transmission. This component transports the lubricating medium to the oil cooler, where the temperature is stabilized, and then directs it back to the transmission.

A functional line minimizes the risk of:

• a drop in oil pressure in the automatic transmission,
• transmission overheating during city and highway driving,
• oil leaks in the area of the cooler or the gearbox.

Construction and fitment for the BMW E60/E61 M47N2

The offered line is a component designed specifically to work with the automatic transmission in the BMW E60/E61 with the M47N2 unit, ensuring proper oil routing and compatibility with the factory cooling system. The appropriately shaped geometry of the line facilitates installation at the original mounting points without the need for any modifications to the system.

Thanks to the factory fitment, the correct routing of the line relative to the body elements, subframe, and oil cooler is maintained, which limits the risk of chafing and unwanted vibrations during operation.

Benefits of using an original oil line

Choosing a gearbox oil line dedicated to the BMW E60/E61 M47N2 allows you to maintain transmission operating parameters in accordance with the manufacturer's specifications. The main advantages include:

• stable oil temperature thanks to proper cooperation with the oil cooler,
• maintaining the correct pressure in the automatic transmission lubrication system,
• reducing the risk of failures resulting from leaks or improper flow,
• easier diagnostics and service due to the use of a component consistent with the factory specification.

This solution is particularly recommended when replacing a damaged, corroded, or leaking line, as well as during comprehensive servicing of the gearbox oil cooling system.

Condition, origin, and service application

The line comes from the BMW range and is a component from the Oil coolers and lines category, which guarantees compatibility with the factory system design. As a used part, it represents an economical solution while maintaining proper mounting fitment, especially in the case of maintenance repairs or restoring the efficiency of an automatic transmission after overheating.

The component will prove useful both for a targeted replacement of a damaged line and for broader service involving cleaning the oil cooler, changing the transmission oil, and checking the tightness of the entire circuit.

Related oil cooling system components and technical knowledge

As part of maintaining the transmission lubrication and cooling system, it is worth paying attention to the condition of the oil cooler, connectors, clamps, and the transmission oil itself. A properly functioning gearbox oil line works with these components to create a cohesive system responsible for protecting the automatic transmission from overheating.

To better understand the impact of the cooling system on the durability of the powertrain and accessories, it is worth reading an article describing typical overheating problems and the role of oil and coolant coolers: Engine cooling system – overheating, repair, and used radiators.

If you are planning a comprehensive repair or upgrade of the automatic transmission lubrication and cooling area in your BMW and need other elements from the same group, such as oil lines, oil coolers, or gearbox connectors, check the available parts in the BMW oil coolers and lines category.