Quote:
Originally Posted by davintosh
What's the typical final drive ratio used on the manual trans X5s, and how does it compare to those equipped with autos? The super-low first gear is a bit annoying at times, and I'm thinking of possibly swapping the diffs out with a set from an automatic, if that would give it slightly longer legs. Of course, doing that will only happen if I come across a front & rear diff that are decently priced.
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theres a post from a couple months ago (maybe 2) about a guy who got done with redoing the diffs and gears and made the final drive very nice, lengthened the 1st gear, and actually improved mpg.
Decent amount of machining and custom work but looked impressive. I'll have to find the thread.