Drivetrain Gremlins1

Exploring the hidden troubles lurking in BMW transmissions, differentials, axles, and more. From strange shifts to unexpected clunks, we diagnose the quirks that keep your ultimate driving machine from driving like one.

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Drivetrain Gremlins

The Mysterious Case of the Shuddering X5

Ah, the BMW xDrive system. A marvel of modern engineering. A thing of beauty. A sophisticated, computer-controlled system designed to keep your Bavarian chariot glued to the road in all conditions. Except when it doesn’t.

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