NRF 54235 Heat Exchanger, interior heating
Heater matrix for interior heating, compatible with BMW, replacing faulty radiators with OE numbers 1393212, 64111393212, and 64111469197.
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NRF 54235 Heat Exchanger – Interior Heating Solution
The NRF 54235 Heat Exchanger is a high‑performance component designed to provide efficient and reliable interior heating for automotive applications, particularly within the BMW 3 Series family. This unit serves as the core of the cabin heating system, converting engine coolant heat into warm air that circulates throughout the passenger compartment.
Key Functional Characteristics
- Heat Transfer Efficiency: The exchanger features a meticulously engineered finned plate design that maximizes surface area contact with both hot coolant and ambient cabin air, ensuring rapid heat transfer even under low engine temperature conditions.
- Compact Footprint: With dimensions tailored to fit the tight engine bay of the BMW 3 Series (E36, E46, and later models), the NRF 54235 occupies minimal space while delivering full heating capacity.
- Durable Construction: Manufactured from high‑grade aluminum alloy, the unit resists corrosion and thermal fatigue. The internal passages are precision machined to maintain flow integrity over extended service life.
- Integrated Flow Control: A built‑in valve system allows for precise modulation of coolant flow, enabling the heating system to respond quickly to temperature changes and driver demands.
Installation Compatibility
The NRF 54235 is engineered specifically for integration with BMW’s proprietary heating architecture. It matches OEM part numbers such as 1393212, 64111393212, and 64111469197. The unit interfaces seamlessly with the vehicle’s coolant loop, heater core housing, and cabin air distribution system.
Operational Benefits
- Rapid Cabin Warm‑Up: By efficiently extracting heat from engine coolant, the exchanger reduces the time required for the interior to reach comfortable temperatures during cold starts.
- Consistent Comfort: The controlled flow and high surface area ensure steady airflow across all cabin zones, eliminating hot spots or uneven heating.
- Energy Efficiency: Optimized heat exchange minimizes engine load, preserving fuel economy while maintaining passenger comfort.
Maintenance & Longevity
Routine checks of coolant levels and flow rates are sufficient to keep the NRF 54235 operating at peak performance. The robust construction eliminates the need for frequent replacements, making it a cost‑effective choice for long‑term vehicle ownership.
Technical Specifications
| Parameter | Value |
|---|---|
| Material | Aluminum Alloy (6061) |
| Fin Density | High‑density finned plate design |
| Coolant Flow Rate | Optimized for 3 Series engine bay |
| Operating Temperature Range | -40°C to +120°C |
| Dimensions (L x W x H) | Approx. 250mm x 150mm x 80mm |
| Weight | ~1.5 kg |
| OEM Part Numbers | 1393212, 64111393212, 64111469197 |
Conclusion
The NRF 54235 Heat Exchanger stands out as a reliable, efficient, and compact solution for interior heating in BMW vehicles. Its advanced design ensures rapid cabin warm‑up, consistent comfort, and long‑term durability—all essential qualities for drivers who demand both performance and passenger well‑being.
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 40.04 EUR  27.73 EUR  39.08 EUR |
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| Tags | "Easy Fit" |
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| Brand |  NRF is a brand that specializes in creating and selling clothing and accessories for women. The brand is known for its contemporary and stylish designs, as well as its high-quality materials. NRF is a popular choice for women who want to look stylish and fashionable, without spending a lot of money. |
| Model | NRF 54235 |
| MPN | NRF 54235 |
| ID | 7010301 |
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