Replace the EMF actuator and two Bowden cables, probably the hat components, too. The EMF actuator and ita connector are located above/on top of the rear differential on the rear subframe. I don't recommend an aftermarket EMF actuator.

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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