BMW F20 F21 F30 LCI M140i 340i Line Pipe Hose Crankcase Turbocharger 7643177

BMW F20 F21 F30 LCI M140i 340i Line Pipe Hose Crankcase Turbocharger is an original turbocharging system component designed for the 1 and 3 Series LCI models. It ensures a stable connection between the turbocharger and the cooling system, which translates into safe engine operation and predictable thermal parameters. This is a practical solution for users who want to maintain the factory performance characteristics of their BMW engine.

Specifications and technical data

• SKU: 7643177
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7643177
• Substitutable numbers: 11537643177, 7643177
• Category: Hoses, Lines & Pipes

Purpose and function in the turbocharging system

The presented hose is designed specifically for the BMW F-series versions with M140i and 340i engines after the LCI facelift. It is responsible for efficient coolant discharge and circulation in the turbocharger area, which reduces the risk of overheating the rotor components and the housing. A correctly selected hose in this area is crucial for the durability of the turbocharger and the stability of the engine's operating temperature.

Thanks to a design that complies with BMW factory standards, the hose maintains the correct routing geometry, minimizing stress and the possibility of rubbing against adjacent components. This is particularly important in high-performance gasoline engines, where thermal and pressure loads are significantly higher than in standard versions.

Construction and fitment for the BMW F-series

The hose belongs to the group of components defined as Lines, hoses, and pipes, which means it has been designed to operate in the demanding environment of the engine bay. The shape, connection diameters, and mounting points are adapted to the factory connectors and brackets in F20, F21, and F30 LCI models, which facilitates installation and reduces the need for additional modifications.

The appropriately selected hose material ensures resistance to elevated temperatures and contact with coolant, as well as to typical vibrations occurring in higher-power units. As a result, the component maintains its tightness and dimensional stability over a long period of operation.

Characteristics of the used part

The offered hose is a used part, sourced from a dismantled BMW vehicle. Such components are frequently chosen by conscious users who are looking for factory fitment and reasonable service costs. In the case of turbocharger cooling hoses, it is particularly important to maintain the original geometry and compatibility with other system components.

Before being put back on sale, the hose is standardly verified for tightness and structural integrity, which helps to reduce the risk of leaks after installation. For many users, this is a practical way to keep the car in good technical condition without having to resort to more expensive replacements.

Benefits of using an original hose

Using an original turbocharger cooling hose in a BMW F-series brings a number of measurable benefits:

• maintaining the factory coolant flow characteristics in the turbocharger area,
• secure fitment to connectors and brackets in the engine bay,
• reducing the risk of leaks resulting from inaccurate fitment,
• consistency with other components of the turbocharging and cooling system.

If you are planning comprehensive cooling system maintenance or engine accessory upgrades in your BMW, it is worth considering other items from the lines and hoses dedicated to BMW category to maintain the consistency of the entire system.

Application in BMW service and repairs

Replacing the turbocharger cooling hose is recommended, among other things, when there are visible signs of fluid leaks, material cracks, or after the engine has overheated. In such situations, opting for an original BMW component allows for restoring proper coolant circulation and reducing the risk of secondary damage to the turbocharger or seals.

For users considering the installation of parts from dismantling, additional information on the cost-effectiveness of such a solution may be useful – it is worth checking out the article: Used parts for BMW – is it worth it? Key benefits for fans of the brand, which discusses the economic and practical aspects of choosing used components.

Summary

BMW F20 F21 F30 LCI M140i 340i Line Pipe Hose Crankcase Turbocharger is a functional, original turbocharger cooling system component designed for high-performance BMW F-series gasoline engines. It ensures proper coolant flow in the turbocharger area, supporting stable engine operation and reducing the risk of accessory overheating. It is a good solution for drivers who want to keep their BMW in line with factory specifications while maintaining reasonable repair costs.