The BMW 528XI 2008 performance chip we offer will substantially increase the performance of your engine. Make your BMW 528XI 2008 more powerful and more responsive with BMW 528XI 2008 performance chips. Adding these BMW 528XI 2008 performance chip and performance parts to your vehicle within minutes. It is not uncommon for your vehicle to gain 25 – 50 horsepower, increased throttle response, and increased efficiency on your BMW 528XI 2008. The performance chip listed here are specially designed for your vehicle and all are custom to your BMW 528XI 2008.