BMW X3 G01 X4 G02 M40iX B58D Water Coolant Hose Pipe Line 9894760

BMW X3 G01 X4 G02 M40Ix B58D Coolant Hose Water Pipe is an original BMW cooling system component, designed for precise coolant flow in B58 series engines. This is a practical solution for owners of X3 G01 and X4 G02 M40iX models looking for a proven coolant hose with factory geometry and fit.

Specifications and technical data

• SKU: 9894760
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 9894760
• Substitutable numbers: 9894760, 17129894760
• Part type: Pipe
• Category: Coolant Hoses

Purpose and Function in the Cooling System

The presented BMW coolant hose belongs to the Cooling System Hoses and Pipes category and is responsible for stable working fluid flow between system components. The correctly shaped hose path helps maintain:

• proper coolant circulation within the engine and accessories,
• optimal operating temperature of the B58 unit in urban and highway conditions,
• reduced risk of localized overheating due to improper flow.

By maintaining factory geometry, the hose integrates with the mounting points and connectors in the engine bay, facilitating installation and minimizing material stress during operation.

Original BMW Origin and Fitment

As a BMW branded part, the hose has been specifically designed for the requirements of X3 G01 and X4 G02 M40iX models with the B58D engine. This means:

• factory fit to the cooling system connectors without the need for modifications,
• compatibility with original clamps and brackets guiding the hose in the engine bay,
• preservation of the manufacturer's designed flow path, which promotes stable thermal operation of the power unit.

The presence of dedicated part numbers and interchangeable numbers (visible in the technical specifications) facilitates compatibility verification by VIN or OEM number, which is particularly important for modern turbocharged engines.

Characteristics of a Used Hose

The offered hose comes from the used BMW parts segment. This solution allows for reduced service costs while maintaining the original design of the component. In practice, this means:

• factory stiffness and shape tailored to the specific engine and body,
• retention of original connection diameters at the hose ends,
• possibility of installation as a replacement for a damaged or leaking hose without interfering with other cooling system components.

Choosing a used OEM hose is particularly beneficial where consistency with the factory cooling system design and predictable behavior under thermal load are important.

Benefits of Using an Original Coolant Hose

Using an original BMW coolant hose for X3 G01 / X4 G02 M40iX allows for maintaining cooling system operating parameters in line with the manufacturer's specifications. Key benefits include:

• stable engine operating temperature due to proper fluid flow,
• reduced risk of leaks resulting from mismatched hose diameters or shapes,
• easier diagnostics and service – the mechanic works with a known, factory solution,
• no need for modifications to adjacent components in the engine bay.

This is particularly important in the more powerful M40iX versions, where the cooling system operates under higher thermal load and requires maintaining adequate performance reserves.

BMW Cooling System Hoses and Pipes – Selection and Technical Knowledge

If you are looking for other BMW cooling system hoses and pipes for your car, check out our dedicated category: BMW cooling system hoses and pipes. There you will find a wide selection of OEM parts that will allow for comprehensive cooling system maintenance.

When planning service work, it is also worth familiarizing yourself with the impact of temperatures on the entire cooling system. In our guide, we describe how high temperatures stress radiators, fans, and hoses, and how to wisely use the used parts market: Summer Heat vs. Cooling System: Used Radiators and Fans Guarantee Savings. This is a practical addition to your knowledge when selecting components for modern BMW gasoline engines.