BMW 346 Ratio differential review E46 E39 E90

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=RK5z3Pgq_GU

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 300...

e46, 3.46 ratio, 3.15 ratio, differential, open differential, diff, bmw, 325i, 323i, 328i, 330i
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