Description
BMW E81 E87 E90 E91 Auxiliary Heater from the Heat Exchangers category is an original heating system component designed for BMW 1 and 3 Series models. It ensures stable heating of the coolant circuit, which translates to thermal comfort inside the cabin and proper operating conditions for the powertrain. This is a solution for users who expect a proven design and a reliable fit for the factory installation.
Specifications and technical data
- SKU: 9194595
- Mark: BMW (Genuine OE)
- Condition: Used
- OEM Part Number: 9194595
- Substitutable numbers: 64119194595, 9194595, 18407584308, 7584308, 18307561418, 7561418
- Category: Heater Cores
Purpose and Function of the BMW Auxiliary Heater
The auxiliary heater in BMW E81, E87, E90, and E91 series is responsible for efficient heat exchange between the cooling system and the air directed into the cabin. This allows the vehicle’s interior to reach a comfortable temperature faster, and the windows to defog more effectively. This component works in conjunction with the factory heating system, maintaining the parameters specified by the manufacturer.
A properly selected BMW heat exchanger reduces the risk of component overheating, improves the stability of coolant temperature, and supports even heat distribution throughout the system. This is particularly important in low-temperature conditions and during frequent city driving.
Construction and Fit for the Heat Exchange System
The presented auxiliary heater has been designed as a component of the BMW heat exchanger system, meaning its geometry, connections, and port layout are consistent with the factory installation. This facilitates installation in place of a worn-out component without the need for system modifications or adapters.
Key structural features of this type of component include:
- body architecture designed for specific E81, E87, E90, E91 series models,
- adaptation for operation within a coolant system with parameters specified by BMW,
- compatibility with factory mountings and hoses.
Thanks to these features, the heater maintains proper working fluid flow and adequate heat exchange surface area, ensuring stable operation of the entire heating system.
Benefits of Using an Original BMW Heat Exchanger
Using an original component from the BMW heat exchangers group allows for maintaining heating system operating parameters close to factory levels. In practice, this means:
- reliable fit for the installation in the engine bay and bulkhead,
- maintenance of proper coolant and air flow,
- reduced risk of leaks resulting from imprecise fitting.
A component from this group is particularly beneficial for users who want to restore proper heating function after a failure or a decrease in heater performance. A properly selected auxiliary heater also reduces the load on other cooling system components.
Product Condition and Service Application
The offered BMW auxiliary heater is a used component, making it an attractive cost-effective alternative to new parts while maintaining original manufacturer specifications. This type of part is suitable for both routine repairs and comprehensive restoration of the heating system in vehicles used daily.
Due to the nature of heat exchanger operation, replacing a worn-out heater with a functional unit eliminates common symptoms such as poor heating, uneven cabin temperature, or problems with window defogging. This is a practical solution for workshops and users who service their BMWs themselves.
Other BMW Heat Exchangers and Technical Materials
If you are looking for other BMW heat exchangers compatible with specific models of this brand, check out our dedicated category: BMW heat exchangers. There you will find a wide selection of heating and cooling system components, making it easier to choose the right part for your car.
When planning repairs and upgrades to the chassis and thermal systems, it is also worth consulting our guide materials. Practical tips on selecting and operating used components can be found in the article: Stock vs. Sport Suspension – Construction Differences and Is It Worth Buying Used Suspension Parts?. Although it primarily concerns suspension, it also touches upon the approach to used components in a car, which may be helpful when planning comprehensive repairs.
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