Thread: Sprint Booster
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      11-19-2011, 07:38 AM   #1
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Drives: 2011.5 M3 COUPE ZCP
Join Date: Sep 2011
Location: BOSTON MA

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Sprint Booster

Has anyone bought the sprint booster for your cars? Bought it and going to install today! How are the results installed?? Is it worth it? Noticeable difference ETC>>>> And also the instructions ddont say much so i can use some install DIY guidance here Anything would help and much appreciated thanks fellow m3 fanatics!!
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