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Old 01-28-2015, 10:48 PM
Jyohay Jyohay is offline
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Quote:
Originally Posted by 95wildtt View Post
This won't be popular with many of this forum, but install a one of these:
http://www.xoutpost.com/bmw-sav-foru...t-booster.html

Will make your 4.8 X5 a whole new beast, more like it should have been from BMW!
pretty widely agreed that after a few days the ECU adapts and leaves the sprint booster ineffective.
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