How to Install a sprint booster for a BMW E38, 39, and 46
The great thing about customizing cars, is that not only can you improve the performance of a vehicle, but you can also make fellow drivers jealous with certain parts. But in this tutorial, you'll be finding out how to install a sprint booster for a BMW E38, 39, and 46. Even though this device is small, it does help improve the throttle response and is easy to apply to the car. So check it out, pay attention, and enjoy!