BMW G01 G02 G05 G07 G20 Engine Coolant Hose Pipe 3.0 Petrol M40i B58D 8674926

BMW G01 G02 G05 G07 G20 Engine Coolant Hose Pipe 3.0 Petrol M40i B58D is an original cooling system component from the Cooling system hoses and pipes category, designed for BMW B58 family petrol engines. Engineered specifically for the M40i engine and its respective models, it ensures proper coolant flow and stable thermal conditions during engine operation. It is a practical solution for users seeking factory-spec fitment and predictable cooling system performance.

Specifications and technical data

• SKU: 8674926
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8674926
• Substitutable numbers: 11 53 8650983, 8650983, 8674926
• Fuel type: Petrol
• Part type: Hose
• Category: Coolant Hoses

Purpose and function in the cooling system

This coolant hose is dedicated to the 3.0 petrol engine in the M40i version from the B58 family, used in BMW G01, G02, G05, G07, and G20 series models. As a cooling system component, it is responsible for directing coolant between key engine parts, which helps maintain a stable operating temperature and reduces the risk of overheating during dynamic driving. Thanks to its factory profile and diameter, the hose works perfectly with original connectors and other cooling system components, facilitating installation and minimizing the risk of leaks. This is particularly important in modern turbocharged petrol engines, where the cooling system operates under increased thermal load.

Benefits of using an original BMW hose

Using an original coolant hose in the B58 M40i engine allows you to maintain the factory coolant flow characteristics and compliance with engine operating parameters. Precise fitment to the specific engine configuration reduces the need for modifications and eliminates common issues associated with universal replacements, such as stress on connections or improper routing in the engine bay. Choosing an original part from the Cooling system hoses and pipes category is especially important in high-performance vehicles, where thermal stability directly affects the durability of the engine, turbocharger, and accessories. This is the preferred solution for users who want to keep their vehicle configuration close to factory specifications and avoid experimenting with unreliable aftermarket parts.

Product characteristics and installation

The item comes from a BMW vehicle and is offered as a used part, allowing you to combine factory fitment with a more cost-effective purchase compared to a new component. The hose is designed for operation in the petrol engine cooling system, in accordance with the parameters specified for the B58 unit in the M40i version. During installation, it is recommended to:

• verify the condition of the mating connectors and clamps,
• check the system for leaks after filling with coolant,
• bleed the system according to the service procedure for the specific BMW model. This approach allows you to fully utilize the potential of the hose and reduce the risk of subsequent leaks or pressure drops in the cooling system.

Cooling system and B58 engine safety

Petrol engines from the B58 family, especially in M40i versions, operate under significant thermal load, which is why an efficient cooling system is crucial for their durability. A leaking or deformed coolant hose can lead to fluid loss, overheating, and costly engine damage. Using an original coolant hose helps maintain stable operating conditions, which translates into a longer service life for the engine and its accessories. If you want to better understand the impact of individual cooling system components on engine safety and the differences between original parts and cheap replacements, it is worth reading the article: Cooling system failure – why an original used radiator is a safer choice than a cheap replacement.

Expanding the BMW cooling system

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other elements from the same group, such as additional pipes, return hoses, or sections connecting to the radiator, check out the available parts in the BMW cooling system hoses and pipes category. This allows you to select a cohesive set of cooling system components based on original parts, which will facilitate installation and help maintain the predictable performance of the entire system.