After sitting for over five hours, it started and ran fine for about 15 miles yesterday afternoon with no issues.

It started and drove fine this morning on the way to work after sitting for over ten hours. Guess I'll chalk it up to a fluke.

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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