BMW 3 Series F30 LCI 330e B48X Hose Expansion Tank Pipe Line 8616148

BMW 3 Series F30 LCI 330e B48X Hose Expansion Tank Pipe Line is an original cooling system component from the Clamps and mounting parts group, designed for the precise routing of fluid between the expansion tank and other components. Thanks to its factory-fit design, it ensures stable mounting, leak-proof connections, and predictable system performance during daily operation.

Specifications and technical data

• SKU: 8616148
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8616148
• Substitutable numbers: 17128616148, 8616148, EM
• Category: Clamps & Hardware

Purpose and function in the cooling system

The expansion tank hose in the BMW F30 LCI 330e model with the B48X engine is responsible for the controlled flow of coolant between the tank and the rest of the system. Its properly shaped geometry and factory-standard connection ends allow for secure seating in the ports and reduce the risk of leaks, which is crucial for maintaining stable operating temperatures for the engine and hybrid components.

This element from the Clamps and mounting parts group also serves a structural role – it works with brackets and mounts in the engine bay, keeping the hose in its designed position, away from moving and high-temperature parts.

Original BMW origin and fitment

As a part prepared by the vehicle manufacturer, the hose is optimized for the specific F30 LCI body version and 330e B48X powertrain. This ensures the correct bending radius, length, and mounting points, which facilitates installation and reduces the need for additional modifications. Factory fitment translates into predictable cooling system behavior and compatibility with original clamps and brackets.

The original nature of the component helps maintain the integrity of the entire system – both in terms of fluid flow and resistance to vibrations and temperature changes typical of gasoline engines with hybrid drives.

Condition, verification, and benefits of using a used OEM part

The hose is offered in used condition, which allows for cost-effective repairs while maintaining the manufacturer's original specifications. A used OEM part is a cost-efficient solution that is also consistent with the vehicle's factory design, which is important when servicing modern cooling systems in hybrid models.

If you want to better understand why original second-hand components are often the most sensible choice for repairs, it is worth reading the article Quality assurance and OEM safety – why are used original car parts the best choice for your vehicle?, which discusses the advantages of such solutions in detail.

Practical installation and maintenance tips

When replacing the expansion tank hose in a BMW F30 LCI 330e B48X, it is recommended to:

• check the condition of the mating clamps and mounting elements,
• inspect the connection surfaces for dirt and damage,
• follow the appropriate cooling system bleeding procedure after installation,
• verify the routing of the hose relative to covers, wiring harnesses, and moving parts in the engine bay.

This approach helps maintain system integrity and reduces the risk of subsequent leaks or overheating, which is particularly important in vehicles with hybrid drives, where the cooling system interacts with many sub-assemblies.

Expanding the BMW mounting system – related parts

If you are planning a comprehensive repair or upgrade of the cooling system and mounting area in your BMW and need other items 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.

Summary

BMW 3 Series F30 LCI 330e B48X Hose Expansion Tank Pipe Line is a practical solution for users who want to restore the proper operation of the cooling system while maintaining original geometry and installation methods. Choosing a used OEM element from the Clamps and mounting parts group allows you to combine cost control with adherence to manufacturer standards, which is significant for both the durability and operational safety of the vehicle.