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      02-05-2020, 01:50 PM   #6
GtiGyver
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Drives: 2008 Jerez Black E90 M3 MT
Join Date: Jun 2009
Location: Montreal

iTrader: (3)

9 (3x3) speeds, just like on a bicycle where 3 gears in front attached to 7 gears in back gives you 21 gears.

I'm assuming that the 3 gears each transmission had were forward gears.