IMR. Thanks for the info. I'm not suggesting to use non-BMW coolant..just mentioning what I did. You correct about having BMW service the X3.

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My 1st BMW-2006 White w/blk. Prem/Nav/Sirius/Servo/Heated seats,steering/Park Dist./Xenon/Privacy.I got the auto. trans. so my wife can drive it.
My 1st Mini-2010 PW, I got the 6 speed so my wife can't drive it. Laurel Edition Convert