BMW G30 G11 G12 Engine Water Coolant Hose Pipe Line 2.0 Petrol Hybrid 8602623

BMW G30 G11 G12 Engine Water Coolant Hose Pipe Line 2.0 Petrol Hybrid is an original cooling system component designed for petrol engines with hybrid drive. Engineered by BMW, it ensures proper coolant flow and stable thermal conditions for the engine. It is a practical solution for users looking for parts structurally matched to specific generations of the 5 and 7 Series.

Specifications and technical data

• SKU: 8602623
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8602623
• Substitutable numbers: 17129430879, 17128602623, 9430879, 8602623
• Fuel type: Petrol
• Part type: Hose
• Category: Coolant Hoses

Purpose and function in the cooling system

The coolant hose is responsible for the controlled flow of fluid between cooling system components in BMW G30, G11, and G12 series models with a 2.0 petrol engine combined with a hybrid drive. A properly selected hose reduces the risk of localized overheating, leaks, and cooling efficiency drops, which directly impacts the durability of the engine and its accessories.

In hybrid vehicles, it is particularly important to maintain a stable operating temperature for both the internal combustion engine and the associated components. The dedicated cooling hose helps maintain factory fluid circulation parameters, supporting the correct operation of control units and temperature management strategies.

Compatibility with BMW G30, G11, G12

The component has been developed with the body and engine bay architecture of the BMW 5 Series G30 and 7 Series G11/G12 in mind. This means:

• geometry adapted for routing the hose through original mounting points,
• compatibility with the 2.0 petrol engine cooling system in hybrid versions,
• maintenance of the correct coolant flow cross-section.

As a result, installation is performed without the need for modifications, and the hose works with other cooling system components in accordance with the manufacturer's specifications.

Technical characteristics and advantages of use

As a part from the Cooling system pipes and hoses group, the product is adapted to operate in high-temperature and variable-pressure environments. The hose construction is designed to:

• maintain stable coolant flow under various engine loads,
• reduce the risk of kinks and bends during installation and operation,
• ensure proper sealing after correct installation.

Combined with a properly functioning liquid pump and radiator, the hose helps maintain the optimal operating temperature of the engine, which translates into stable petrol engine operation and correct cooperation with the hybrid system.

Part condition and practical application

The offered hose is a used component, which allows for economical cooling system repair while maintaining the original manufacturer's specifications. This solution is particularly beneficial for:

• mechanical damage to the existing hose (cracks, abrasions, leaks),
• modernization or servicing of the cooling system during major engine work,
• diagnosing overheating problems when it is necessary to replace several fluid circuit elements.

Selecting a hose compatible with the petrol fuel type and the specifics of the hybrid drive reduces the risk of incorrect installation and makes it easier to keep the vehicle within factory parameters.

Technical support and additional information

If your BMW shows symptoms of overheating, reduced cabin heating efficiency, or fluid loss, it is worth analyzing the condition of all fluid circuit components. A detailed discussion of common faults and the impact of the cooling system on engine life can be found in the article Engine cooling system – overheating, repair, and used radiators, which will help you better plan the scope of repairs.

In our store, you will also find other elements from the BMW cooling system group, which makes it easier to complete the parts needed for comprehensive service. This allows you to select hoses, radiators, or other components based on consistent technical fitment criteria.