BMW 5 6 7 Series E60 E61 E63 E65 Oil Hose Oil line Transmission 4709247 4709248

BMW 5 6 7 Series E60 E61 E63 E65 Oil Hose Oil line Transmission is an original component from the Oil coolers and lines group, designed for the lubrication system in selected BMW 5, 6, and 7 Series models. Thanks to its factory geometry and precise fit to the body mounts, it ensures stable oil routing between the cooler and other system components, supporting safe engine operation. This is a solution for users looking for a part that complies with factory specifications and wish to maintain the system's design to the original standard.

Specifications and technical data

• SKU: 4709247
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 4709247 4709248
• Substitutable numbers: 17227794577, 7794577, 17222354114, 2354114, 17224709248, 4709248, 17227794576, 7794576, 224709247, 17224715620, 17222354113, 709247, 4715620, 2354113
• Category: Engine Oil Coolers & Lines

Purpose and function in the lubrication system

The oil line in the oil cooling system is responsible for transporting the working medium between the cooler and the engine, maintaining stable pressure and flow. For BMW E60, E63, and E65 models, a correctly selected oil hose is important for:

• maintaining the proper oil temperature across a wide range of engine loads,
• maintaining the tightness of the lubrication system under high operating pressures,
• reducing the risk of leaks in the area of the oil cooler and threaded connections,
• proper routing of the line in the engine bay, without collision with other components.

Selecting a line that complies with factory specifications is particularly important for higher-power units, where the oil cooling system operates at elevated temperatures and under greater loads.

Benefits of using an original BMW oil line

Using a component from the Oil coolers and lines group dedicated to specific BMW models allows you to maintain the factory operating characteristics of the system. Key advantages include:

• properly selected internal diameter and length of the line, which promotes stable oil flow,
• factory ends and fittings matched to standard connectors and mounts,
• line geometry designed for the spatial layout of the engine bay in the E60, E63, and E65,
• the ability to use existing brackets and guides without the need for modifications.

For the user, this means easier installation, reduced risk of stress on the joints, and maintaining the predictable behavior of the lubrication system in both road and highway conditions.

Condition, verification, and service application

The offered BMW oil line comes from dismantling and is a used component, which allows for an economical repair of the oil cooling system while maintaining the original design. This type of part is suitable both for a typical replacement of a worn-out line and for repairs after an oil leak in the cooler area.

Before installation, a standard service procedure is recommended, including checking the tightness of connections, the condition of seals, and verifying the correct routing of the line relative to hot (manifold, exhaust) and moving parts. A properly selected and installed oil hose helps reduce pressure drops in the system and supports uniform oil cooling in the long term.

Integration with the oil cooling system and diagnostics

Replacing the oil line is a good time for a comprehensive assessment of the entire oil cooling system – the cooler, connections, clamps, and any deposits in the lines. A properly functioning oil cooling system has a direct impact on the service life of the power unit, especially in cars operated in city traffic and at higher highway speeds.

If you want to better understand the relationships between engine operating temperature, liquid and oil cooling systems, and symptoms of overheating, it is worth checking out our guide material. Practical tips on diagnostics and operation can be found in the article Engine cooling system – overheating, repair, and used radiators, which discusses, among other things, the impact of the oil cooler on the durability of the power unit.

System expansion – other BMW oil cooling components

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 fittings, check the available parts in the BMW oil coolers and lines category.