BMW 3 Series Forum - Technical Talk on the BMW E46
hi, a couple of weeks ago i posted a thread regarding a noisy rear diff.
the exact 1 i was looking for wasn't available
E91 3.45 Ratio 2.0 petrol manual
i was talking to a m8 who owns a bmw and his m8 says " you can fit a different ratio, doesn't HAVEto be the exact one, but it will alter...