Coolant Radiator Line BMW F20 F21 F22 F23 F30 F32 F33 F36 Pipe Hose Tube 7649300

BMW F20 F21 F22 F23 F30 F32 F33 F36 Water Hose Pipe Conduit is a component from the Cooling System Hoses and Pipes category, designed for the cooling system of modern BMW units. It is responsible for the secure, leak-proof, and stable routing of coolant between engine components, which is crucial for maintaining the correct operating temperature. This solution allows for a technically correct repair or replacement of a worn-out pipe in F-series vehicles.

Specifications and technical data

• SKU: 7649300
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7649300
• Substitutable numbers: 7649300, 11537649300
• Tire profile: 65535
• Category: Coolant Hoses

Purpose and Function in the Cooling System

The BMW Water Hose Pipe operates within the coolant circuit, connecting selected cooling system components in BMW F20, F21, F22, F23, F30, F32, F33, and F36 models. It is responsible for:

• stable routing of coolant between engine components,
• maintaining circuit integrity under varying temperatures and pressures,
• reducing the risk of engine overheating.

Thanks to its precise fit for the specific BMW F-series platform, the pipe ensures correct fluid routing geometry and compatibility with factory mounting points and connectors.

Compatibility and Fitment for BMW F-Series

The component is designed with the cooling system architecture of popular compact and mid-size BMW models in mind, such as the F20/F21 (1 Series) or F30/F32/F33/F36 (3 and 4 Series). The pipe's construction accounts for:

• appropriate shaping for the engine bay of the specific generation,
• adaptation to factory mounting points,
• operation within the typical temperature and load ranges for these units.

Such a fit minimizes the need for modifications during installation and preserves the factory routing logic within the engine bay.

Technical and Performance Characteristics

As a component within the Cooling System Hoses and Pipes group, the water pipe in these BMW models is designed for resistance to prolonged contact with coolant and cyclical temperature changes. In practice, this means:

• maintaining shape and flow path during engine heating and cooling,
• resistance to typical vibrations and operational loads,
• ability to operate in a pressurized system generated by the expansion tank cap.

The product has assigned part numbers and interchangeable numbers, which facilitates precise identification and selection for a specific vehicle configuration, including the use of OEM catalogs.

Condition, Service Application, and Part Selection

The pipe is offered as a used part, allowing for economical repair of the cooling system while maintaining compliance with BMW factory specifications. Such elements are commonly used in:

• repairs after cooling system failure (cracks, leaks),
• preventive replacement of pipes with higher mileage,
• restoring original configuration after modifications or incorrect repairs.

To select the correct pipe for a specific vehicle, it is advisable to use the OEM part number or reference numbers and compare the pipe's geometric layout with the part removed from the vehicle.

Technical Support and Additional Information

If you are planning comprehensive service for your BMW's cooling system and want to better understand the impact of pipes, radiators, and other components on engine longevity, consult the advice in the article Engine Cooling System – Overheating, Repair, and Used Radiators. There you will find practical tips on diagnosing overheating and selecting cooling system components.

If, during servicing, you are also considering replacing other components from the same group, such as additional pipes, tees, or flexible connections, check the available parts in the BMW Cooling System Hoses and Pipes category.