If you want to be competitive in STX, buy a different car. If you want to be competitive in your BMW, shoot for DSP and a lot of money. Or go our there and enjoy yourself with the car you own in whatever class.
I know that is not the advice you are looking for, but it is the only real advice for your situation.
'04 BMW 330i ZHP
'11 BMW 535i
'13 Land Rover LR4
Last edited by mko9; 03-23-2013 at 04:07 PM.