turbo1k

What would i need so i can tune my W210 E55 myself and where could i buy it?
Im thinking of doing a turbo setup this winter.
Thanks

oldsinner111

there's a few places that have real tuners,but expensive,its not worth hundreds of dollars for 25 hp.Nitrous is the cheapest way to go,you should be able to run a 150 hp wet shot easy.I bought a NOS system used on ebay,I had fun with my M104.w140. with 125 hp wet shot.