hi guys i have searched for a performance chip for my car it is a 94 e36 320i and i can not seem to find a chip to suit has a new hi flow exhaust and panal filter i have been told that the car does not need cai because they came out with something like it is this true also what else could i do to the car to gain some more hp without turbo or supercharge it has to be NA because i am not on my full license any help would be much appreciated