BMW F10 M5 F12 M6 Coolant Hose Radiator Cooling Water Pipe Line 7843261

BMW F10 M5 F12 M6 Coolant Hose Radiator Cooling Water Pipe Line is an original cooling system component designed for high-performance BMW models with petrol engines. As part of the Cooling system hoses and pipes group, it is responsible for the stable flow of coolant between the radiator and the engine, which is crucial for maintaining the correct operating temperature of the powertrain. This used OEM component is a sensible choice for drivers looking for a technically matched solution at an attractive price.

Specifications and technical data

• SKU: 7846363-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7846363
• Substitutable numbers: 7846363, 11537846363, 7843261, 11537843261, 7843263, 11537843263, 7843265, 11537843265
• Fuel type: Petrol
• Category: Coolant Hoses

Function and application in the BMW cooling system

The presented radiator coolant hose has been designed specifically for BMW F10 M5 and F12 M6 models with petrol engines. Its task is to ensure a tight, stable connection between cooling system components, such as the radiator, connectors, and the engine circuit. A properly selected hose minimizes the risk of leaks, overheating, and a drop in cooling efficiency during dynamic driving.

Thanks to a design matched to the geometry of the engine bay in M sport versions, the hose routes the coolant along an optimal path without interfering with other components. This is particularly important in powerful units, where thermal loads are higher than in standard versions.

Benefits of using an original BMW hose

Using an original water hose in the BMW F10 M5 and F12 M6 brings a number of practical benefits:

• secure fit to factory connectors and mounts, without the need for modifications,
• preservation of the factory coolant flow characteristics,
• compatibility with the cooling system designed for high-power petrol engines,
• reduction of the risk of leaks resulting from the use of universal replacements.

The used OEM component allows for maintaining the consistency of the entire cooling system, which translates into a stable engine operating temperature, especially important under high load conditions and high rotational speeds.

Component condition and installation aspects

The offered hose comes from dismantling and is classified as used, which means that before installation, it is worth verifying its visual condition and tightness in accordance with accepted service procedures. These types of cooling system components are generally installed directly, using factory clamps or quick-connectors, which facilitates the mechanic's work and shortens replacement time.

Thanks to the preservation of the original hose geometry, installation proceeds in a predictable manner – the hose fits into the engine bay according to the factory routing, without causing tension or rubbing against adjacent components. This is important from the point of view of durability and operational safety.

Why choose a used BMW cooling system hose

Choosing a used radiator water hose for the BMW F10 M5 and F12 M6 is a solution that allows you to combine cost control with maintaining high quality. Original BMW components are designed for long-term operation in demanding thermal conditions, which is why even in a used version, they can be an effective alternative to cheaper replacements with uncertain parameters.

An additional advantage is the ability to match the component to the specific petrol engine configuration, which limits the risk of compatibility issues. This is particularly important in the case of M models, where the cooling system is precisely tuned to the characteristics of the powertrain.

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 lines, return hoses, or cooling system branches, check the available parts in the BMW cooling system hoses and pipes category.

To better understand how high temperatures affect cooling system efficiency and when it is worth reaching for used components, such as hoses, radiators, or fans, read the guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings.