BMW 3 Series F30 LCI 330e B48X Radiator Coolant Feed Line Hose Pipe 8673992

BMW 3 Series F30 LCI 330e B48X Radiator Coolant Feed Line Hose Pipe is an original component from the Cooling system hoses and pipes group, designed for operation within the engine's cooling system. Thanks to its factory geometry and precise profile, it ensures stable coolant flow and a perfect fit with the connectors and other system components.

Specifications and technical data

• SKU: 8673992
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8673992
• Substitutable numbers: 17128673992, 8673992, 17128616146, 8616146
• Category: Coolant Hoses

This coolant hose has been designed specifically for the structural requirements of the B48X powertrain in the BMW 3 Series F30 LCI 330e, which translates into precise fitment, predictable behavior under thermal load, and seamless integration with the existing installation.

Specifications and technical data

• SKU: 8673992
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8673992
• Substitutable numbers: 17128673992, 8673992, 17128616146, 8616146
• Category: Coolant Hoses

Purpose and function in the cooling system

The coolant hose in this model is responsible for the controlled flow of coolant between system components, maintaining a stable operating temperature for the engine and associated parts. The properly selected diameter, shape, and length minimize the risk of flow turbulence, leaks, and stresses resulting from engine operation and temperature changes.

The proper functioning of this component is important for:

• maintaining correct pressure in the cooling circuit,
• reducing local overheating in the engine area,
• stable cooperation with the water pump, radiator, and other hoses.

Construction and fitment for BMW F30 LCI 330e B48X

The offered hose is manufactured as an OEM component dedicated to BMW, which means it retains factory geometry, mounting points, and connection diameters. As a result, installation is predictable, without the need for modifications or the use of additional adapters.

Key design features of this coolant hose include:

• a profile adapted to the engine bay layout of the F30 LCI 330e version,
• appropriate flexibility to reduce the transmission of vibrations from the engine to the cooling system,
• maintaining a seal after proper installation on the original connectors.

Component condition and operational aspects

The hose comes from the secondary market, so it is a used part, which allows for economical repair while maintaining the manufacturer's original specifications. This type of component, with proper installation and inspection of the condition of clamps and connectors, can continue to ensure stable cooling system operation in daily use.

Before installation, a standard service procedure is recommended, including:

• verification of sealing surfaces on the connectors,
• checking the condition of clamps or quick-connect couplings,
• bleeding the cooling system after filling it with fresh coolant.

Benefits of using an original BMW hose

Using a coolant hose dedicated to this BMW model allows you to maintain the consistency of the entire cooling system with the factory design assumptions. This reduces the risk of improper positioning in the engine bay, rubbing against other elements, or excessive material stress during operation.

In practice, this means:

• easier installation thanks to the original shape,
• lower risk of leaks resulting from poor fitment,
• maintaining cooling system operating parameters at a level close to factory standards.

Technical support and knowledge about the cooling system

To better understand the impact of coolant hoses on engine durability and the symptoms of overheating, it is worth reading our guide: Engine cooling system – overheating, repair, and used radiators. The article discusses practical aspects of diagnostics and servicing of cooling systems in premium brand cars.

If you are interested in a broader context of using used OEM components in premium cars, the following entry may also be helpful: why used original components for BMW and other premium brands are becoming an increasingly popular choice, describing current market trends and the economic benefits of such a solution.

Other BMW cooling system hoses and pipes

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as additional coolant hoses, flexible return hoses, or radiator feed sections, check the available parts in the BMW cooling system hoses and pipes category.