This kit includes everything needed to convert your M3 to an electric fan

The BMW E30 oil cooler has been reinvented in a bolt on OEM style design that features all the latest cooling technology (also can fit vehicles with M20 engine swaps)

which is beneficial for both stock and modified applications

Specifically

BMW F95 X5M / F96 X6M S63 Downpipes 11128627107 This kit includes everything neededEliminate factory exhaust restrictions and maximize your S63s performance with RK Autowerks Catless Race Downpipes, designed exclusively for the 20202022 BMW F95 X5M and F96 X6M. Built for power and precision, these downpipes reduce backpressure, enabling faster turbo spool and immediate horsepower and torque gains you can feel at every throttle input. Developed using advanced 3D scanning and prototyping, these downpipes offer OEM level fitment with