Vent Pipe BMW F10 M5 F12 F13 M6 Cooling Line Water Hose Engine Cooler 7843262

BMW F10 M5 F12 F13 M6 Coolant Hose Engine Water Pipe is an original part from the Cooling System Hoses and Pipes group, designed for M series gasoline engines. Engineered by BMW for stable coolant flow, it supports safe engine operation under high loads typical for M5 and M6 models.

Specifications and technical data

• SKU: 7843262
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7843262
• Substitutable numbers: 7843262, 11537843262
• Fuel type: Petrol
• Category: Coolant Hoses

Application and Function in the Cooling System

This water hose operates within the engine's coolant circulation system, responsible for directing fluid between cooling system components. In BMW F10 M5 and F12/F13 M6 models, where the engine generates high operating temperatures, a correctly selected water hose is crucial for maintaining stable engine temperature.

The part is designed as an OEM BMW system component, meaning it offers a precise fit to factory routing, appropriate connector diameters, and compatibility with original clamps and connectors. This minimizes the risk of leaks and improper hose positioning within the engine bay.

Benefits of Using an Original BMW Hose

Using an original coolant hose in a BMW M series gasoline engine ensures:

• factory fit to the cooling system without modifications,
• appropriate stiffness and flexibility of the hose walls,
• correct coolant flow under high operating pressure,
• maintenance of the engine's thermal characteristics as designed by the manufacturer.

For high-performance engines like the M5 F10 or M6 F12/F13, stable coolant flow directly impacts engine durability, seal performance, and operational safety during dynamic driving.

Condition, Fitment, and Installation

The hose is a used part from disassembly, which preserves its original geometry and material characteristics consistent with the factory BMW design. Used parts of this type are often chosen as an economical solution for cooling system repairs, especially when maintaining the original manufacturer's specifications is a priority.

Before installation, a standard cooling system inspection is recommended: verify the condition of the connectors, clamps, connection tightness, and the quality of the coolant itself. A correctly selected and installed water hose helps reduce the risk of leaks, overheating, and pressure drops in the circuit.

Cooling System Operation and Prevention

In BMW M series gasoline engines, regular inspection of cooling system hoses and pipes is an important aspect of preventative maintenance. Any signs of cracking, swelling, abrasion, or oil contamination on the hoses may indicate the need for replacement before the engine overheats.

To better understand the impact of the condition of hoses, radiators, and other components on engine durability, it is worth reading the guide: Engine Cooling System – Overheating, Repair, and Used Radiators. The article discusses practical aspects of diagnosing and servicing cooling systems in popular models, facilitating informed decisions when selecting parts.

Expanding the BMW Cooling System

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 hoses, return pipes, or connections to the radiator, check the available parts in the category BMW Cooling System Hoses and Pipes.

Selecting components from the same functional group helps maintain material and structural consistency throughout the entire system, leading to more predictable engine behavior across a wide range of loads and operating temperatures.