BMW X3 G01 X4 G02 Water Hose Coolant Pipe Line B58D 5A022E3

The BMW X3 G01 X4 G02 Water Hose Pipe B58D is a cooling system component designed for modern BMW powertrains. It ensures a stable flow of coolant, which is crucial for safe engine operation and maintaining the correct working temperature.

Specifications and technical data

• SKU: 5A022E3
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 5A022E3
• Substitutable numbers: 5A022E3, 17125A022E3
• Category: Coolant Hoses

Purpose and Function in the Cooling System

The presented cooling system hose for BMW X3 G01 and BMW X4 G02 operates within the cooling fluid circuit of the B58D engine. Its task is to securely guide the coolant between system components such as the engine block, radiator, and other thermal components, thereby maintaining stable operating conditions for the powertrain.

A properly selected water hose reduces the risk of overheating, leaks, and a drop in cooling efficiency. For modern turbocharged engines like the B58D, efficient coolant flow directly impacts component durability and consistent performance in daily use.

Construction, Fitment, and Benefits of Using Genuine BMW Parts

This hose belongs to the category of Cooling System Hoses and Pipes, meaning it is designed to operate in an environment of high temperatures and variable pressure. The hose's construction is adapted to the engine bay geometry of the BMW X3 G01 and X4 G02, ensuring:

• precise routing of the coolant without the risk of rubbing against other accessories,
• a secure connection to the cooling system's spigots, minimizing the possibility of leaks,
• appropriate flexibility while maintaining the required stiffness of the hose walls.

As a component from the BMW OE line, this water hose is compliant with the manufacturer's factory standards regarding shape, diameter, and mounting method. This facilitates installation and allows for the preservation of the cooling system's original operating characteristics without the need for modifications.

Condition, Service Application, and Benefits of Installation

The offered cooling system hose is a used part, making it an economical choice while maintaining compliance with BMW's factory specifications. It serves well as a replacement for a damaged hose or as part of a preventative replacement during a major cooling system service.

Replacing the water hose is particularly recommended when:

• cracks, fissures, or signs of aging are visible on the surface of the old hose,
• there are signs of coolant leakage around the connections,
• the cooling system has overheated, and there is a risk of weakening the rubber structure.

Using an original hose from the same model group allows for the preservation of factory-standard hose routing, which is important for both thermal safety and ease of subsequent service maintenance.

BMW Cooling System Hoses and Pipes – Selection and Offer

If you need other components from the BMW Cooling System Hoses and Pipes category for your vehicle, check out our dedicated offer: BMW cooling system hoses and pipes. There you will find a wide selection of water hoses, return hoses, and other cooling system sections tailored to various models of this brand.

Cooling System Operation and Practical Knowledge

Whenever working on the cooling system, it's worth paying attention to the condition of other components – the radiator, fans, expansion tank, and the quality of the coolant itself. It is good practice to periodically check for leaks and visually inspect hoses for deformation, abrasion, and signs of corrosion on the clamps.

More practical information on how the cooling system operates at high temperatures and ways to achieve economical yet safe operation can be found in our guide: Summer Heat vs. Cooling System: Used Radiators and Fans Guarantee Savings. This is a useful addition to your knowledge when planning a comprehensive cooling system service for your BMW.