Made with CSF’s AC condenser technology using a 1-row super-high pressure 26mm multi-channel microtube Dual-pass high performance core with 12 cooling tubes vs. OEM single-pass with return pipe 6 tube design. High-density multi-louvered fin design. “Drop-in fit” requiring no modifications to install. Accepts all attaching OEM components including oil-line connections, mounting brackets, and shroud/ducting Lab tested at ~40%+ more efficient than the OEM cooler World’s 1st and only true “plug-and-play” upgraded DCT oil cooler for the BMW N55 engine in the BMW F87 M2 (2016+)*