BMW 3 Series F30 LCI 330e B48X Radiator Expansion Tank Line Hose Pipe 8616133

BMW 3 Series F30 LCI 330e B48X Radiator Expansion Tank Line Hose Pipe is an original cooling system component designed for the precise routing of coolant within the engine unit. Thanks to its factory geometry and fitment for the specific model configuration, it ensures stable thermal conditions and predictable engine operation. This is a practical solution for users who want to restore proper coolant circulation while maintaining BMW manufacturer standards.

Specifications and technical data

• SKU: 8616133
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8616133
• Substitutable numbers: 17128616133, 8616133, EM
• Category: Coolant Hoses

Technical specifications of the BMW 3 Series F30 LCI 330e B48X Radiator Expansion Tank Line Hose Pipe

The hose belongs to the Cooling system hoses and pipes group, meaning it is responsible for the sealed and directed flow of coolant between engine components and accessories. Its properly selected shape and cross-sectional diameter allow for maintaining correct pressure in the circuit, reducing the risk of cavitation, and ensuring even cooling of critical areas of the engine unit.

The original design characteristic of the BMW brand translates into a perfect fit for factory brackets, clamps, and connectors, which facilitates installation and minimizes the risk of material stress. As a result, the hose operates stably at both low and high operating temperatures, as well as during dynamic changes in engine load.

Function in the cooling system and benefits of use

A properly selected water hose in the hybrid BMW F30 LCI 330e with the B48X unit is crucial for maintaining the correct operating temperature of the engine and cooperating components. This element:

• ensures controlled coolant flow between individual sections of the system,
• reduces the risk of local overheating resulting from insufficient circulation,
• supports thermal stability during city and highway driving,
• allows for maintaining factory cooling system performance parameters.

Using an original hose from the same design group as other cooling system components facilitates future diagnostics and service. The mechanic can be certain that the geometry and flow characteristics meet the manufacturer's specifications, which is particularly important in vehicles with advanced temperature management systems.

Condition of the item and installation aspects

The offered hose is used, which in practice means it has been removed from a vehicle and verified for further operational suitability. This type of part is a good choice when you want to maintain the original BMW specification while optimizing repair costs. A used OEM component usually fits better into the existing system than a random replacement with uncertain geometry.

The hose is designed for installation in place of the factory element, using standard mounts and clamps. During replacement, it is recommended to:

• check the condition of the connectors and connection ports,
• replace hose clamps if they show signs of wear,
• bleed the cooling system after refilling with fresh coolant.

Compatibility and part identification

To correctly select the hose for a specific vehicle configuration, it is worth comparing the manufacturer's markings and catalog data with the information in the technical specification. The product has assigned OEM part numbers and interchangeable numbers, which facilitates verification of compatibility with a given BMW F30 LCI 330e B48X unit. In case of doubt, a good solution is to compare the shape and length of the hose with the element currently installed in the car.

This approach minimizes the risk of purchasing an incorrect component and speeds up the service process, especially in the case of more complex cooling systems used in modern BMW engine units.

Expanding knowledge about the cooling system

If you want to better understand how hoses and pipes affect engine durability and what symptoms indicate problems with coolant circulation, it is worth reaching out for practical technical materials. A useful source of information will be the article Engine cooling system – overheating, repair, and used radiators, which discusses the impact of cooling system efficiency on the engine unit's lifespan.

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 lines, return hoses, or sections connecting to the radiator, check the available parts in the BMW cooling system hoses and pipes category.

Summary

BMW 3 Series F30 LCI 330e B48X Radiator Expansion Tank Line Hose Pipe is a functional, original cooling system element that allows you to restore proper coolant flow and maintain stable engine operating conditions. A used OEM component represents a reasonable compromise between repair costs and maintaining factory parameters, which is particularly important in modern BMW designs with advanced temperature management.