Quote:
Originally Posted by UN1CORM
Quote:
Originally Posted by CarJunkie
Actually, after considering my power curve and optimal shift points, I think I would keep the original ratio if I had to do this. Fortunately, I do not yet have to do this.  |
What are your thoughts about a 3.45 ratio? I mean the F8x M cars have the same transmission ratios as the 1M and BMW shipped those cars with a 3.46...
Do you think your preference is tied to your driving style? |
They have the S55 motor which revs so nicely to 7000 RPMs. With my tune and mid range torque, my optimal shift points are at 5900-6000 RPMs. I am topping out 5th gear at 140 mph. Any taller ratio out back would require me to use sixth gear at the track which would just be ridiculous.
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1M track toy mods: BMS chargepipe, BMS OCC, ADE FMIC, ADE motor mounts, MadDad/Lightweight Ti exhaust, ADE custom oil thermostat/cooler, custom MHD tune, F10 550i clutch, Ohlins R+T, Vorschlag camber plates, M3 'vert FSB with Turner endlinks, Stoptech Trophy BBK.