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  1. BMW 6 Series - Tech Talk E24,E63,E64,F12,F13
    I always used to change the oil annually on our last BMW, a 535i E39, as we don't do many miles. I'm expecting to do less than 5K a year in our '07 E64 650i and wonder what the general consensus is? I've still got a fair amount of semi-synthetic 5-30 which I used in the 5 series so that is no...