To get the most out of your engine, you should take a look at installing some new X5 performance parts. Our selection of these X5 performance accessories is huge and you can't go wrong with any of them. Take your SUV to new heights of power by adding a new X5 performance accessory today. A great X5 performance part to add to your vehicle, if you want the best performance around, would be the nitrous kit. An X5 nitrous kit will make your engine more powerful than ever before and will have you smiling from ear to ear. Give your SUV some go, along with the show, by installing any of these great performance parts for X5.