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Old 04-04-2013, 10:19 PM   #29
OEM ///Member
WOLFN8TR's Avatar
Join Date: Jul 2011
Location: Las Vegas
Posts: 496
My Ride: 05 SMG M3
I picked up a Sprint Booster version II with the Mode button off ebay for $150. This thing makes the car feel the way it should of came from the factory. It does take the lag out and if you have a steptronic the tranny downshifts alot easier to pass. Well worth the money.
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