Do you mean ScanGauge? It has limited use with the X5d but I'm working with the company to get more commands working like EGT, transmission temperature, oil temperature, etc. and fully compatible firmware. Water temperature works great.

You didn't say what the outside temperature was or what you were doing but I've seen 210F before for brief periods on the hottest days and after hitting traffic or having stopped after a cruising period. Driving around,180-195F is pretty standard for me whether it's winter or summer.

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8/2011 X5 xDrive35d Sport, Black Sapphire Metallic, Black Nevada Leather, Fine Burr Walnut Trim
2/2001 M5, Jet Black, Exclusive Complete Black Walk Nappa Point Heritage Leather, Black Cubic Trim