Quote:
Originally Posted by stylinexpat
How does your car run with the 18" wheels and a 4.1 final? Also compared to stock 19" wheels did the 18" wheels with the 4.1 final make a difference?
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Good point, it probably does, but it's less than 1 mph, so I can't decern it. I've got BMW's stock tire sizes on both the 18s and 19s, which I'm certain have slightly different diameters.
The FD difference is over 6% different from stock, yet no difference in speed shows up.
Dave