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Forget CBS protocol. As per gan23 - Mike Miller's recommendations for long life ownership. Have used this since the 80's, and never had an engine or drivetrain failure on all of my BMWs - each with over 100K miles on them.
Some skeptics have dismissed MM as overkill and waste of money. Me?? I love my cars and always want them to be in tip top shape.
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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 |