CSF 02-06 Mini Cooper S R53 Manual Radiator

When you're working on a 2002-2007 Mini Cooper S, keeping that supercharged engine cool is key, especially if you're pushing it hard on the street or track. This all-aluminum radiator from CSF is built to handle the extra heat. It's a direct fit, meaning it bolts right into place using your original brackets and hoses, so you won't have to modify anything to get it installed.

What makes this radiator stand out is its core design. CSF uses a 2-row, 42mm core that incorporates their exclusive B-Tube technology. Instead of a standard oval shape, these B-tubes are specially formed and brazed, which increases the heat transfer surface area by about 15% compared to regular tubes. This design allows for a dual liquid flow, giving you more efficient cooling. The radiator also features multi-louvered fins that are precisely aligned to maximize airflow, helping to dissipate heat effectively.

You'll also find CNC-machined brackets and fittings for a solid, durable connection, and the inlet and outlet ports are designed to match the factory connections, letting you reuse your original hoses. It even includes a smooth satin finish and a race-style drain plug.