These high performance oil coolers from CSF Radiators are a direct fit for BMW G8x M3 / M4 and M2. The cooler is designed to deliver a huge improvement in cooling efficiency combined with rugged reliability making it the ideal choice for highly tuned road cars or those used on track.Heavy duty bar/plate core for ultimate performance and reliabilitySpecial 'air-flow' bar design allows for maximum air flow through the coreIncludes a rock guard to protect the cooler core from debris damageCorrosion resistant satin black finishUtilises OEM top and bottom rubber seals for optimal airflowOEM type inlet and outlet connectionsThe CSF Radiators race oil cooler is designed for optimal oil flow and to provide maximum surface area for increased oil cooling capabilities. They are the ideal insurance against potentially damaging extreme oil temperatures encountered on track cars or cars with highly tuned engines.