CSF F87 BMW N55 M2 M235i/M235ix Radiator
CSF uses new technology packed into a compact two-row design for better cooling capacity without the added weight. More efficient B-tubes have greater surface area for cooling (15% cooling capacity increase in fin technology alone) and a precision multi-louvered fin to increase heat rejection performance and surface area contact. Additionally, this CSF part has more total cooling tubes and a three-pass flow design for maximum cooling in race environments and extreme driving conditions.
These technical features all contribute to improved cooling efficiency over OE-type performance upgrades and other standard "performance" aluminum-tanked radiators, which are nothing more than aluminum tanks on a traditional stock core.
It was made in Indonesia in the same factory that produces CSF parts for aftermarket and car line production for several European cars. This part is a much higher level of quality than the typical Chinese factory parts. CSF's Racing & High-Performance Division can produce a premium high-performance cooling system with a level of quality and craftsmanship usually found in products with a much higher price point due to their economies of scale 600,000 units sold globally every year.
- Any radiator replacement can result in air pockets during initial installation/filling, not allowing the system to function correctly. Before operation, special care must be taken to fully bleed all air in the radiator, engine, and cooling system.
- All CSF radiators come with a two-year warranty against defects in craftsmanship.
- F30 3-series and F32 4-series models must be equipped with the optional M Sport package.
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