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CSF top-mount charge-air-cooler for BMW S55 F80 M3 F82 M4 F87 M2 Competition
CSF

CSF Top-Mount Charge-Air-Cooler — S55 (F80 M3 / F82 M4 / F87 M2 Competition)

$2,295.00

CSF top-mount charge-air cooler for the S55 — F80 M3, F82/F83 M4, F87 M2 Competition. This is the water-to-air charge cooler that sits atop the engine; CSF calls it the first cast-end-tank top-mount unit for the S55. It pairs with the front heat exchanger to control intake temps.

What CSF changes

A core about 60% larger than OEM with cast hot- and cold-side end tanks and internal air dividers, run as a dual-pass, cross-flow design with two-stage water cooling (the OEM unit is single-pass, vertical-flow). 3D-scanned for a drop-in fit, with OEM quick-connect water connections and sensor ports.

Finishes

Default is the Thermal Heat Dispersion coating — an emissivity coating that helps the part shed heat. Also available Raw, or in Esse Werks colors — Black, White, or Orange. Choose above.

Fitment

S55 — F80 M3, F82 M4, F83 M4 Convertible, F87 M2 Competition. Confirm your chassis in the selector.

This is the charge-cooler-side core of an S55 Stage 2 build. The Stage 2 Kit — S55 packages the matched parts + calibration for 8% under à la carte.

Fits engine S55
Fits chassis F80 · F82 · F83 · F87
Category Induction
Manufacturer CSF

Ships from Boca Raton, FL.

WHY WE SHIP CSF
CSF builds the radiators, heat exchangers, and charge coolers we use when the factory cooling stack can no longer keep up with the load a tuned car puts on it. The cores are engineered to factory fitment, so the upgrade goes in at the OEM locations without fabrication. On the heat-exchanger-cooled engines, the charge cooler is often the single highest-leverage cooling part, and CSF's units carry the thermal capacity to keep intake temps stable through repeated pulls. We ship CSF where a build needs more cooling than stock without giving up clean, factory-style integration.