[b]i've Put Springs On Acuras And Hondas .i Knoe Is Not The Same For Bmw .i Got Some Intrax Super Sport Springs For My 2001 E46 Sedan . Do I Need To Take It 2 A Shop ,or Can I Do It Myself

you can do it yourself, you just need a spring compresser. But don't you even think about putting those springs on without getting some shocks first. Your shocks will blow and your car will be bouncing all over the place.