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Old 07-20-2011, 04:12 PM   #10
Registered User
Join Date: May 2009
Location: Sydney
Posts: 92
My Ride: E46 M3
It is a well known fact that the factory sports button on the E46 M3 is too responsive. It is next to impossible to start and stop smoothly without the car jerking in slow traffics.

This unit will replaced the sports button with 3 settings, OFF, SPORT and RACE settings.
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