Description
The BMW i3 I01 Hybrid Rex Radiator Hose is an original cooling system component designed for BMW vehicles with a hybrid range extender powertrain powered by petrol. The flexible design of the hose ensures a leak-proof flow of coolant between system components, supporting stable operating temperatures for the combustion engine and hybrid components.
Specifications and technical data
- SKU: 7623678
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 7623678
- Substitutable numbers: 17127623678, 7623678, KZ
- Fuel type: Petrol
- Category: Coolant Hoses
Purpose and Function in the Cooling System
The radiator hose in the BMW i3 I01 Hybrid Rex is responsible for transporting coolant between the radiator and other system components. In a hybrid vehicle with a petrol range extender engine, stable cooling is crucial for protecting the combustion engine, power electronics, and high-voltage battery.
A properly selected hose minimizes the risk of pressure drops, leaks, and localized overheating, contributing to a longer lifespan for the engine and its accessories. The flexible construction facilitates vibration and engine movement compensation, reducing mechanical stress on radiator spigots and other components.
Benefits of Using an Original BMW Hose
Using an original radiator hose for the BMW i3 I01 Hybrid Rex ensures:
- factory-perfect fit for spigots and routing in the engine bay,
- compliance with the cooling system’s operating pressure and temperature parameters,
- stable operation under conditions typical for a petrol engine paired with an electric drive,
- reduced risk of leaks and cooling performance degradation.
This allows the hose to support safe vehicle operation and simplifies servicing – installation uses existing mounting points without requiring system modifications.
Performance Characteristics and Installation
This component belongs to the Cooling System Hoses and Pipes group, meaning it is designed for operation in a coolant environment with variable thermal and mechanical loads. In a vehicle with a petrol range extender engine, the hose operates during both city driving and longer load cycles, making resistance to temperature changes and vibrations essential.
The product is offered in used condition, allowing for economical cooling system repair while maintaining the original manufacturer’s specifications. Before installation, a standard check of the seal, spigot condition, and hose routing relative to other engine bay components is recommended.
Technical Support and Cooling System Knowledge
To better understand the impact of hoses and pipes on engine durability and cooling efficiency, it is worth consulting a guide on cooling system diagnostics and operation – especially concerning engine overheating and radiator selection. Practical tips can be found in the article Engine Cooling System – Overheating, Repair, and Used Radiators, which discusses common fault symptoms and the importance of a functional coolant circulation.
If you are interested in why original cooling system components – even used ones – are often a better choice than unbranded aftermarket parts, it is worth reading material that explains the role of OEM parts in vehicle safety and durability. This topic is discussed in more detail in the article OEM Quality and Safety Guarantee – Why Used Original Car Parts Are the Best Choice for Your Car?, which helps you make informed purchasing decisions.
Selecting Other Cooling Hoses for BMW
If you are planning a comprehensive engine area repair or upgrade for your BMW and need other parts from the same group, such as additional flexible hoses, return hoses, or sections connecting the radiator to the drive module, check the available parts in the BMW Cooling System Hoses and Pipes category.
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