Originally Posted by 2m3
7 speed, or 8 speed..
The top 2 or 3 gears (the longest) usually overdrive for fuel economy
The fifth gear is 1:1.
It would be nice if only the 8th gear is overdrive, so as E36jakeo says, we have 7 very close ratio gear to keep it at upper rpm all the time
On the M5 the 6th gear is 1:1, so only the 7th is a overdrive gear.
Best regards, south