Did my first at 500 miles, then at 5,000 and every multiple of 5,000 thereafter. Dealer does the even (10's) and I do all of the odd (5's). Castrol European blend 0w 40. Thinking of switching to Mobil 1, however.
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Duke
2018 X5 50i
2015 911 C2S
2017 X4 M40i (gone); 2010 X5 (last of the NAs); 2007 550i (still missed, except in the snow); 1991 525i manual (great 17-year run)
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