In Reply to: Re: no disrespect, but maybe driving school??? posted by Bill on September 26, 2001 at 09:27:51:
There is the driver performance and the car performance.
Before doing any upgrade to a car, it is good to reach the performance of the car then you will know what kind of upgrade you want to do.
But for the 525i more power (I don't know how much more you want) will be achived by adding a supercharger or a turbo