Thread: want more horsepower
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      08-29-2014, 10:23 PM   #19
XiZBiT
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Drives: 2014 F10 M.Sport
Join Date: Aug 2014
Location: Metro Detroit

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2014 BMW 550ix  [0.00]
Just installed the BMS JB4 Stage 1 in my '14 550ix MSport. Went from. 4.6 to a 3.5 0-60. Couldn't be more happy with such an inexpensive tune.
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