Coolant Hose BMW i3 I01 Hybrid Rex Water Cooling Pipe Electric Motor 7636413

The BMW i3 I01 Hybrid Rex Engine Flexible Hose is an original part from the Cooling System Hoses and Pipes group, designed for BMW vehicles with a Range Extender gasoline engine. A used flexible hose ensures proper coolant flow in the engine area, supporting stable operating temperatures of the powertrain and hybrid components.

Specifications and technical data

• SKU: 7636413
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7636413
• Substitutable numbers: 17127636413, 7636413, KZ
• Fuel type: Petrol
• Category: Coolant Hoses

Purpose and Function in the Cooling System

The offered flexible hose operates within the engine cooling circuit of the BMW i3 I01 Hybrid Rex model powered by gasoline. It is responsible for the safe transport of coolant between system components, which reduces the risk of overheating and supports the durability of the combustion engine working with the electric drive.

Thanks to its appropriately selected geometry and flexibility, the hose compensates for powertrain vibrations and minor movements of mounting elements, thereby reducing stress on the cooling system's spigots and connections.

Benefits of Using an Original BMW Hose

Using an original flexible hose in the BMW i3 I01 Hybrid Rex cooling system allows for the preservation of factory coolant flow parameters and proper fit to the spigots and brackets in the engine bay. This is particularly important in hybrid vehicles, where the stable operating temperature of the gasoline engine affects its interaction with the electrical system.

Key benefits include:

• factory fit for the specific powertrain version's cooling system,
• preservation of the manufacturer's designed coolant flow path,
• reduced risk of leaks resulting from ill-fitting aftermarket parts,
• compatibility with other BMW cooling system components.

Performance Characteristics and Installation

The engine flexible hose from the Cooling System Hoses and Pipes category is structurally designed to operate under the elevated temperatures and pressures typical of a gasoline engine's cooling circuit. Its flexible construction facilitates routing in the confined space of the engine bay, and its appropriately shaped sections allow for correct positioning relative to other components.

During installation, it is recommended to:

• check the condition of the spigots and mounting clamps,
• replace worn fastening elements,
• bleed the cooling system after filling with fresh coolant,
• verify for leaks after the engine's first warm-up.

Cooling System and High-Temperature Operation

A functional flexible hose in the cooling system is particularly important during the summer, when the thermal load on the gasoline engine in the hybrid BMW i3 I01 Hybrid Rex increases. Leaks or restricted flow can lead to overheating, performance loss, and accelerated component wear.

To better understand the impact of high temperatures on the entire cooling system and the potential savings from using used components, consult our guide: Summer Heat vs. Cooling System – How Used Parts Can Support System Efficiency.

Selecting a Used Part and Service Decision

Choosing a used BMW engine flexible hose is a solution that can reduce repair costs while maintaining the original manufacturer's specifications. For hybrid vehicles, where the cooling system interacts with advanced electronics and the electric drive, using a part that is structurally consistent with the factory design is particularly beneficial.

If you want to analyze the differences between reconditioned parts and used original components in more detail, the article Reconditioned or Used Original – How to Wisely Choose a Part for Repair will be helpful.

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other parts from the same group, such as additional cooling system hoses, pipes, or connectors, check the available parts in the BMW Cooling System Hoses and Pipes category.