BMW i3 I01 Battery Radiator High Voltage Accumulator Cooler Coolant Unit 7629407

The BMW i3 I01 High-Voltage Battery Cooler is a specialized component of the thermal management system responsible for stabilizing the traction battery temperature. Thanks to its precise OEM design, it ensures efficient heat dissipation, which translates to safe operation of the electric drive and extended high-voltage lifespan in the BMW i3.

Specifications and technical data

• SKU: 7629407
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 7629407
• Substitutable numbers: 7629407, 61277629407
• Location on the vehicle: Front
• Category: Other Air & Fuel Delivery

Purpose and Function in the High-Voltage System

The high-voltage battery cooler in the BMW i3 I01 operates at the front of the vehicle, working in conjunction with the coolant circuit responsible for battery temperature control. A properly functioning cooling module:

• stabilizes the temperature of the traction cells across a wide range of loads,
• limits the risk of overheating during intense driving or rapid charging,
• supports the maintenance of optimal energy efficiency of the electric drive,
• positively impacts the long-term condition of the high-voltage battery.

In an electric vehicle like the BMW i3, a functional battery cooling system is crucial for maintaining consistent performance and predictable range under various operating conditions.

Construction and Integration with the Vehicle's Front

The presented cooler is a component mounted at the front of the BMW i3 I01, integrated into the liquid cooling system. Its design was developed by the vehicle manufacturer to:

• ensure effective heat exchange within compact dimensions,
• work with factory coolant lines and connectors,
• maintain proper airflow in the front fascia area.

This makes the high-voltage battery cooler well-suited to the front body architecture, facilitating servicing and minimizing the need for modifications during replacement.

Characteristics of a Used Component

The offered component comes from a used vehicle, allowing for economical repair of the battery cooling system while maintaining the original manufacturer's specifications. Choosing a used original part is a solution that:

• maintains compatibility with the factory high-voltage system design,
• reduces the risk of fitment and coolant circuit sealing issues,
• is cost-effective compared to new components.

This is a practical option for BMW i3 owners who want to restore full battery cooling functionality while preserving the original quality of workmanship.

Part Selection by Numbers and Parameters

The BMW i3 I01 high-voltage battery cooler is an OEM component, meaning it was designed specifically for this model and works with the factory high-voltage system. When selecting, it's worth paying attention to:

• compatibility with the I01 body generation,
• its intended use for the battery cooling system, not other circuits,
• its location at the front of the vehicle.

This helps avoid installation problems and ensures proper integration with other cooling system components.

Cooling System Expansion and Technical Knowledge

If you are planning a comprehensive repair or upgrade of the drive and cooling system area in your BMW i and need other parts from the same group, such as coolant hoses, cooler modules, or additional heat exchangers, check the available parts in the Other BMW category.

To compare the design solutions used in sports models from other brands and to better understand the differences in the construction of powertrains and their supporting systems, it is worth reading the article discussing Audi sports versions – Audi RS vs. Other Models – What Lies Under the Hood and Chassis?. This is a good supplement to understanding how manufacturers design advanced powertrains and their supporting components.

Summary

The front-mounted BMW i3 I01 high-voltage battery cooler is a component that directly impacts the stability of the traction battery's operation and the comfort of using an electric car. Choosing a used original component allows you to maintain the factory cooling system characteristics, restore proper cell temperature control, and sustain the predictable performance and range of the BMW i3 in daily use.