CSF Race Spec Dual Pass DCT Cooler - BMW F87 M2 M235i There are a number of

There are a number of solutions on the market including a full X Pipe which removes the primary cats or Primary Cat Delete/Test Pipes

Turbulated heavy/duty bar/plate design for the most reliable & durable oil cooler available for the platform

and Evolution Race Line (Titanium)

and supplying the best performing exhaust components worldwide

CSF Race Spec Dual Pass DCT Cooler - BMW F87 M2 M235i There are a number ofMade with CSFs 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