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FWIW. Just did a break-in OC at 2,200 miles. Oil was pretty dark and filthy. Have always changed out oil early in mileage for every BMW owned, and then approx every 5K, regardless of what the OBC service indicator said. Kept most of them well into 100K miles without a single engine problem.
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2021 X3 M40i, 2021 X5 xDrive 4.0i
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2016 X5 3.5i, 2017 X4 M40i, 2006 330i E90, 2004 X5 3.0i, 2000 528i MT, 1986 535is MT  , 1985 528e MT, 1985 325e MT |