Hamann Sound Controlling App for BMW M50d X5 and X6 Is Better than We Thought- Video

A sound enhancing smartphone app – it’s kind of sad that it has come to this, but with more and more really fast performance cars with very un-characterful engines, it was either this or complete silence. Or, even worse, the rattling of a diesel engine. This veritable Sound Tuning you are about to witness is performed by Hamann and is aimed at the two BMW models equipped with the 3.0-liter inline-six tri-turbo diesel engine. In other…