Originally Posted by 1MOREMOD
That makes more sense. I was just going to go with the piggyback style I think and they seem to be about 30hp and 50 ft-lbs jump or so.
The box would be handy for taking it out when visiting the dealership.
X5M, Eisenmann exhaust, 22" HRE wheels, catless down pipes, Stage II tune/X5 Diesel, Lowered & Tuned