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I had Sprint Booster on my F10 for about 20 days before I decided it was useless even on most aggressive mode and sold it to a fellow member.
Put the car on Sport Mode and call it a day.
Many will disagree with me but after reading all the hype, my expectations were much greater.
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2020 G20 M340 xDrive - Portimao Blue - ZDA|ZPP|ZPX|1CR|1PE|6NW|6WD
2016 F10 535i xDrive - AW - Retired 
2011 E92 M3 - AW……………....ED April 29th, 2010 - Retired
2007 E92 335i -Space Gray.....ED Oct 19th, 2006 - Retired
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