There probably isn't a "kit" available, you'd have to buy the button and wire it up yourself w/ a relay. But it's definately do-able w/ the button, relay, and some wires.
A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. Come join the discussion about M performance, turbo kits, engine swaps, builds, modifications, classifieds, troubleshooting, maintenance, and more!