Hi, i have a bmw 325is completely stock, i just added two 12" kiker cvr and remove the mufler. it needs a paint job and minor interior work, i am looking o sup it iup but i have no clue whats good out thee to get this bimer runing at its best peformance with out buying cheap stuff and then braking. if any one knows any good tips what to do or what not to do it would be very help full. thanks , mike
