Yeah, the M57 is good for a few hundred thousand miles or more if oil changes are kept up. It's a solid engine really. Keep the oil and filter fresh and I like getting the used oil analyzed so if a problem develops, I can hopefully catch it early.

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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