All,
Having spent a lot of time taking sage advice from the folks at Bimmerworld, I was excited see the addition of a new tuning product on their website.
Was thinking of giving this a shot. Undetectable from warranty perspective and impressive gains.
standard controls -
https://www.bimmerworld.com/Chips-So...rive-N63R.html
app controls -
https://www.bimmerworld.com/Chips-So...rive-N63R.html
Anyone had a Speed Buster? Bad name, but if Bimmerworld says its good, it always is....