However, the M5 guys swear by powerchips.. and being that powerchips focuses soley on ecu tuning *MAY* indicate a better product, since he is what they do.. whereas other tuners do just avout everything.. apparently they are the only ones with 3/03+ software available... i do not know anyone he is gotten it yet.. many are afraid.. i think mainly befcause they list the stock 330i as have 235 hp sto