BMW 3 Series F30 LCI 330e B48X Radiator Coolant Return Hose Line Pipe 8667356

BMW F30 LCI 330e B48X Water Hose 8667356 is an original part from the Cooling System Hoses and Pipes category, designed for the cooling system in BMW 3 Series F30 LCI hybrid models. This used OEM water hose ensures proper coolant flow, stabilizing the operating temperature of the B48X powertrain and associated components.

Specifications and technical data

• SKU: 8667356
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8667356
• Substitutable numbers: 17128667356, 8667356, 17128616145, 8616145, EM
• Category: Coolant Hoses

Purpose and Function in the Cooling System

The presented water hose is designed as a factory component of the cooling system in the BMW F30 LCI 330e B48X. It is responsible for the controlled flow of coolant between selected components, which helps maintain stable thermal conditions for the engine and hybrid equipment.

Thanks to its precisely selected geometry and internal diameter, the hose works in conjunction with the stock fluid pump, radiator, and other hoses in the system, reducing the risk of localized overheating and pressure drops in the circuit.

Original BMW Manufacturing

As an OEM part from the BMW brand, this water hose is precisely fitted to the factory spigots and mounts in the F30 LCI engine bay. Its correctly shaped routing minimizes stress, friction with adjacent components, and potential leak points.

The part has an assigned OEM part number and related replacement numbers, which facilitates compatibility verification with specific vehicle configurations and cooling system generations.

Condition, Selection, and Installation

The hose is offered as a used part, providing a cost-effective solution while maintaining original BMW specifications. It is a practical option for cooling system repairs where preserving factory geometry and mounting points is crucial.

Before installation, the standard service procedure is recommended:

• compatibility verification using the OEM part number and replacement numbers,
• inspection of the condition of spigots, clamps, and connection sockets in the vehicle,
• replacement of the coolant according to the vehicle manufacturer's recommendations after installation is complete.

A correctly selected water hose reduces the risk of leaks, facilitates system bleeding, and supports uniform cooling of the B48X engine in both urban and highway conditions.

Benefits of Using an Original BMW Hose

Using an original water hose in the BMW F30 LCI 330e B48X ensures:

• precise fitment to factory mounts and spigots,
• maintenance of the coolant flow path designed by the manufacturer,
• compatibility with other parts from the Cooling System Hoses and Pipes category for this model.

This solution is particularly beneficial for servicing hybrid vehicles, where thermal stability directly impacts the longevity of the combustion engine and high-voltage components.

More About the Cooling System and Related Parts

If you are planning a comprehensive inspection of your BMW's cooling system and considering replacing additional components such as other water hoses, spigots, or flexible connections, check the available parts in the BMW Cooling System Hoses and Pipes category.

To better understand how high ambient temperatures affect cooling system efficiency and why selecting the right components – including water hoses – is important for engine durability, we recommend reading our guide: Summer Heat vs. Cooling System: Used Radiators and Fans Guarantee Savings.