Thread: xhp gearbox tune?
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      01-25-2019, 10:05 AM   #15
Sylverlee
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Drives: White 535i M-Sport, 911 GTS
Join Date: Jul 2010
Location: Irvine

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The shifts in the m235i feel pretty damn fast already. This is comparing to my 2013 535i, which def needs the XHP flash.
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