The shifts are the same speed in the SMG II. Granted, the SMG III has one more gear, 80 millisecond shifts can also be achieved with the e46 M3. I have had two e46 M3s, both with SMG and they were fantastic. Lightning fast response and launch control too, it's the best.
David M. Aviles
The ///M is for Motorsport, 4x M Sales Award Winner
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Steve Thomas BMW, Ten-time Center of Excellence