BMW Mini Cooper One D R55 R56 R57 R58 R59 R60 R61 Auxiliary Heater 3422661

BMW Mini Cooper One D R55 R56 R57 R58 R59 R60 R61 Auxiliary Heater is a component from the Heat exchangers category, designed for the heating system in Mini vehicles. It enables efficient cabin heating and stabilizes the temperature of the medium, which translates into user comfort and proper operating conditions for other components.

Specifications and technical data

• SKU: 3422661
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 3422661
• Category: Heater Cores

Purpose and function in the heating system

The auxiliary heater in the Mini R56 D model is responsible for more intensive heat exchange between the medium and the air directed into the cabin. Thanks to this, the heating system reaches its operating efficiency faster, which is particularly noticeable in low ambient temperatures. This element works in conjunction with other cooling and ventilation system components, ensuring stable thermal conditions while driving.

As a part from the Heat exchangers category, the auxiliary heater acts as an additional source of thermal energy transfer, which helps reduce window fogging and improves the comfort of the driver and passengers during the vehicle warm-up phase.

Technical and assembly characteristics

The BMW Mini Cooper One D R55 R56 R57 R58 R59 R60 R61 Auxiliary Heater has been designed as a component structurally matched to the heating system in Mini vehicles. The appropriate placement of connectors and mounting points facilitates installation in the factory-designated location, without the need for interference with the body structure or installation.

This solution allows for maintaining the correct flow of the medium and air, which is crucial for effective heat exchange. Proper seating of the heater in the ventilation system housing minimizes energy losses and reduces the risk of leaks.

Condition of the item and benefits of choosing a used part

The offered auxiliary heater is a used component, which represents a favorable compromise between purchase cost and functionality. Choosing such a part allows for an economical repair of the heating system while maintaining the original design and fitment for a specific Mini model.

Using original, used components in many cases ensures better assembly compatibility than random replacements, which reduces the risk of fitment issues and speeds up the service process itself.

Selection by OEM number and vehicle integration

Selecting the auxiliary heater for a Mini based on the OEM number allows for precise matching of the part to a specific engine and equipment version. Thanks to this, the heating system maintains its factory operating parameters, and replacing the component does not require any installation modifications.

In case of doubts during selection, it is worth comparing the markings with the vehicle documentation or the existing element, which further increases the certainty of compatibility and reduces the risk of re-disassembly.

System expansion and related Mini components

If you are planning a comprehensive repair or upgrade of the heating and cooling system area in your Mini and need other elements from the same group, such as additional heaters, radiators, or other heat exchangers, check the available parts in the Mini Heat exchangers category.

For users considering the choice between original, replacement, and used parts, an article comparing costs, quality, and fitment may be helpful – you can find a detailed discussion in the material Original, replacement, or used – which car parts are the most cost-effective?.