BMW X3 E83 Coolant Hose Pipe Radiator Water Line 3.0d M57N2 3401058

BMW X3 E83 Coolant Hose Pipe Radiator Water Line 3.0d M57N2 is an original cooling system component designed for the M57N2 diesel engine in the BMW X3 E83 model. As part of the Cooling system hoses and pipes group, it ensures a tight and stable flow of coolant between engine components. This used OEM part is a sensible choice for drivers looking for a proven and cost-effective service solution.

Specifications and technical data

• SKU: 3401058-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 3401058
• Substitutable numbers: 11533401058, 3401058
• Part type: Hose
• Category: Coolant Hoses

Function and role in the cooling system

The coolant hose in the BMW X3 E83 with the 3.0d M57N2 engine is responsible for the controlled flow of coolant between key system components. A properly selected hose:

• maintains stable operating pressure in the cooling circuit,
• minimizes the risk of leaks thanks to precise fitting to connectors and clamps,
• supports the maintenance of the optimal operating temperature of the power unit. Thanks to its factory geometry and appropriately selected flexibility, the hose is matched to the engine bay space of the BMW X3 E83, which limits stress and reduces the risk of abrasion during operation.

Why choose an original BMW hose

The original coolant hose designed for the specific M57N2 engine version ensures compliance with the manufacturer's factory requirements. In practice, this means:

• secure fit to factory mounts and hose routing,
• preservation of the correct internal diameter and flow cross-section,
• material resistance to temperature and typical thermal loads in the 3.0d engine. Choosing a used OEM component from the Cooling system hoses and pipes group allows you to reduce repair costs while maintaining parameters similar to factory assembly, which is particularly important in the case of precisely tuned BMW units.

Condition, fitment, and service application

The offered coolant hose is a used component intended as a replacement part for BMW X3 E83 units with the M57N2 diesel engine. This type of part is suitable for situations where:

• the existing hose shows signs of wear, cracking, or delamination,
• replacement is necessary after a cooling system failure,
• preventive repair is being carried out after the power unit has overheated. Selecting the right hose for the specific engine and body configuration is crucial for maintaining tightness and proper coolant circulation, which is why it is worth paying attention to compatibility with the BMW X3 E83 3.0d version.

Technical support and additional information

To fully utilize the potential of the cooling system, it is worth taking care not only of the hoses but also the condition of the radiator, fans, and other circuit elements. In our guide, you will find practical tips on how high temperatures affect engine operation and how to reasonably use used parts – check out the article Summer heat vs. cooling system: used radiators and fans as a guarantee of savings. If you are planning a comprehensive repair or upgrade of the engine area in your BMW and need other components from the same group, such as additional hoses, flexible return sections, or short coolant connectors, check the available parts in the BMW cooling system hoses and pipes category. When planning a wider range of service work on your car and wanting to select various used components in one place, you can use the practical tips contained in the guide Comprehensive supply: how to collect used car parts in one place, which will facilitate optimal planning of the entire repair.