BMW 3.46 Ratio differential review. E46, E39, E90

From the creator

A review of a change from a 3.15 differential to a 3.46 final drive ratio on a BMW. Does it make a big difference? Is it worth it? (Highway rpm test and 3000 rpm before and after pull included) This type of mod can work for other car brands as well. Popular with the the mazda miata, crowd I believe.

Published 2016-07-18 · Watch on YouTube ↗
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