2010 m8 BD RG turbo is it worth the money to install a 3" 174 track from a 162
with out changing gearing i just installed a bdx diamond drive and dont want to
spend extra on new gears. a after thought on the track guess im a idiot
how much track speed would i loose
with out changing gearing i just installed a bdx diamond drive and dont want to
spend extra on new gears. a after thought on the track guess im a idiot
how much track speed would i loose