Coolant Hose BMW F20 F21 F30 F31 LCI Gearbox Oil Heat Exchanger Hose 7640287

Coolant Hose BMW F20 F21 F30 F31 LCI Gearbox Oil Heat Exchanger Hose is an original component from the Clamps and mounting parts group, designed for the automatic transmission cooling system in facelifted BMW F-series models. This used OEM part ensures proper routing and coolant flow, which translates into stable transmission operating temperatures and safe vehicle operation. It is a solution for users who expect factory-fit and proven construction without the need to resort to aftermarket replacements.

Specifications and technical data

• SKU: 7640287
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7640287
• Substitutable numbers: 17127640287, 7640287, 17127649386, 7649386
• Category: Clamps & Hardware

Purpose and function of the gearbox cooling hose

The gearbox coolant hose in BMW F20, F21, F30, and F31 LCI versions is responsible for transporting coolant between the transmission and the cooling system components. A correctly selected and leak-free hose helps maintain a stable transmission oil temperature, which reduces the risk of overheating, performance drops, and premature component wear.

Thanks to the factory geometry and connectors tailored to the specific generation of the BMW F-series, installation is straightforward, with no need for system modifications. The original BMW design allows for maintaining the fluid flow path intended by the manufacturer, which is important for both cooling efficiency and operational safety.

Construction and fitment for BMW F-series LCI

The presented hose was designed specifically for facelifted (LCI) BMW F20, F21, F30, and F31 models, ensuring compatibility with the cooling system used in this generation. The component belongs to the Clamps and mounting parts group, so its design accounts for appropriate mounting points, routing in the engine bay, and cooperation with factory brackets and clamps.

Such fitment makes it easier for technicians and DIY enthusiasts to maintain the original hose routing, minimizing the risk of rubbing against other components or creating tension. Precise fitment with the cooling system and transmission promotes long-term, stable operation of the entire system.

Benefits of using an original BMW component

Choosing an original gearbox coolant hose for a BMW F-series offers a number of practical advantages:

• factory fitment for specific F20, F21, F30, F31 LCI models,
• hose routing path in the engine bay designed by the manufacturer,
• compatibility with original clamps and mounting elements,
• maintenance of transmission cooling system operating parameters in accordance with BMW specifications,
• possibility to use existing mounting points without modifying the installation.

Additionally, using a used OEM component allows for optimizing service costs while maintaining the construction intended by the manufacturer. This is particularly important for systems where stable transmission operating temperature has a direct impact on shift quality and transmission durability.

Condition, origin, and service application

The hose comes from the BMW brand and is a used component, making it an attractive solution for users looking for factory-origin parts on a reasonable budget. Such components are suitable for both standard replacement of worn hoses and repairs after collisions or cooling system upgrades within the same vehicle generation.

Due to its specific purpose, the hose is recommended for installation in vehicles where the original transmission cooling system configuration is maintained. This allows for fully utilizing the benefits of the factory design and avoiding issues related to incorrect fluid flow or improper hose positioning.

Expansion of the mounting system and related components

If you are planning a comprehensive repair or upgrade of the transmission cooling area in your BMW and need other elements from the same group, such as brackets, clamps, or additional hose mounts, check out the available parts in the BMW Clamps and mounting parts category.

During service work in the center tunnel, console, or driver area, it is worth considering improving the ergonomics and appearance of the cabin. Inspiration regarding the use of used interior equipment components can be found in the article Car interior tuning with Global Parts, which describes practical ways to refresh the car's interior using original second-hand components.