Hi all, this is Francisco(Bronx,NY) and i want alittle more juice(horse power) from a 525i 1989. m20 engine. I want header and the chip for it. Can any one help with this? and also the price of it too! thanks again for all the help . I'm learning alot from your guys. Toyota supra(turbo) was my fav. car and i still get it, but this(BMW) is something new for me......ok, Francisco