Expansion Tank BMW X5 F15 Hybrid 40eX Water Coolant Overflow Reservoir 7591214

The BMW X5 F15 Hybrid 40e Coolant Expansion Tank is an original cooling system component designed for the demanding environment of a hybrid powertrain. This factory overflow reservoir ensures stable thermal conditions for the engine and its components, contributing to predictable performance of the entire drivetrain.

Specifications and technical data

• SKU: 7591214
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7591214
• Substitutable numbers: 7591214, 17137591214
• Category: Expansion & Overflow Tanks

Purpose and Function in the Cooling System

The offered tank belongs to the Expansion Tanks category and is a part of the cooling system responsible for compensating for changes in coolant volume and safely managing excess fluid. In the hybrid BMW X5 F15 40e, it maintains a stable fluid level, reducing the risk of overheating and air ingress into the system.

The original BMW design guarantees proper fit of the connectors, correct routing of hoses, and compatibility with factory sensors and accessories. This allows the tank to integrate seamlessly with the cooling system without the need for modifications or adaptations.

Construction and Fit for BMW X5 F15 Hybrid 40e

The Expansion Tank BMW X5 F15 Hybrid 40eX Water Coolant Overflow Reservoir has been specifically designed for the engine bay geometry of this model, facilitating installation and subsequent servicing. The appropriately shaped housing ensures:

• stable mounting at factory body points,
• correct positioning relative to the radiator and hoses,
• easy access for coolant level checks.

As an original BMW part, the tank maintains compliance with factory standards for material quality, temperature resistance, and operating pressure within the cooling system.

Condition, Origin, and Benefits of Using a Used Part

The presented expansion tank is a used part, sourced from disassembly, allowing for a reasonable repair cost while maintaining the original manufacturer's specifications. This solution is particularly beneficial for modern hybrid designs, where component fit directly impacts the stability of the cooling system's operation.

Using an original expansion tank minimizes the risk of leaks, bleeding issues, and incorrect parameter readings by the vehicle's control units. It is a practical solution for workshops and owners who wish to maintain the system's integrity with the original BMW design.

Support for Selection and Cooling System Expansion

If you are planning a comprehensive repair or upgrade of the engine area in your BMW and require other parts from the same group, such as additional tanks, mounting elements, or related cooling system components, check the available parts in the BMW Expansion Tanks category.

To better plan your purchases and assemble a larger set of original used parts in one place – from cooling system components to small mounting accessories – it is worth reading the guide: Comprehensive Sourcing: From Engine to the Smallest Clip – How to Assemble Used Car Parts in One Place?

Summary

The Coolant Expansion Tank for BMW X5 F15 Hybrid 40e is a practical choice for those who want to restore the full functionality of the cooling system while adhering to the original manufacturer's specifications. Its precise fit, factory design, and suitability for a specific BMW model ensure straightforward installation and predictable system performance in daily operation.