BMW 3 Series F30 LCI 330e B48X Radiator Water Coolant Hose Line Pipe 7555633

The BMW F30 LCI 330e B48X Coolant Hose Pipe is an original part from the Cooling System Hoses and Pipes category, designed for the cooling system in facelifted BMW 3 Series F30 models. This used OEM component ensures proper coolant flow, stable operation of the B48X engine, and predictable performance of the entire thermal management system.

Specifications and technical data

• SKU: 7555633
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7555633
• Substitutable numbers: 17127555633, 7555633
• Category: Coolant Hoses

Purpose and Function in the Cooling System

The coolant hose in the hybrid BMW 330e is responsible for the controlled flow of fluid between the radiator and other cooling system components. A correctly selected and sealed hose:

• maintains the stable operating temperature of the B48X unit,
• reduces the risk of engine overheating and performance loss,
• ensures proper pressure in the coolant circuit,
• minimizes the risk of leaks at critical points in the system.

Thanks to its original geometry and connection diameters, the hose works seamlessly with other cooling system components without the need for modifications or adjustments.

Benefits of Using an Original BMW Hose

Using an original coolant hose for the BMW F30 LCI 330e B48X offers a range of practical service and operational benefits:

• Factory Fitment – correct length, shape, and mounting points facilitate installation and eliminate stress on radiator spigots and housings.
• Hybrid System Compatibility – the hose is designed for the specific requirements of the 330e version, which is important under higher thermal loads.
• Stable Cooling System Operation – maintaining the correct flow cross-section promotes uniform cooling of the engine and its ancillaries.
• Verifiable by OEM number and interchangeable numbers in the technical specification, which simplifies selection for a specific car configuration.

Characteristics of a Used Part

The offered hose is a dismantled part and is classified as a used OEM element. This type of part is a good solution when the original hose has suffered mechanical damage, cracking, or deformation, and you wish to maintain the original cooling system design. A used hose allows for economical repair while adhering to the original manufacturer's specifications.

Before installation, standard servicing procedures are recommended: checking for leaks, the condition of spigots and clamps, and proper system bleeding after replacement. This approach minimizes the risk of repeat interventions and helps maintain stable engine operating temperatures in the long term.

Professional Selection and Technical Knowledge

To better understand the impact of hoses and pipes on engine longevity and the symptoms of overheating, it is worth consulting a guide on cooling system diagnostics and operation – this is thoroughly discussed in the article Engine Cooling System – Overheating, Repair, and Used Radiators, which provides practical tips also useful for BMW owners.

Related BMW Cooling System Components

If you are modernizing or servicing the entire cooling system in your BMW and, in addition to this hose, you also need other compatible hoses, pipes, or water pipes dedicated to this brand, check the available parts in the BMW Cooling System Hoses and Pipes category.