The Secret Truth About the BMW M Button

The BMW M Button. It might unlock the full potential of your M car or it might not.

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Many believe that the M button found in the likes of the BMW M3, M4, or M5 unlocks the full potential of your vehicle, but the truth is that isn’t exactly the case. In the video above I go over the details on how your M button can be the button that unleashes the beast or it also can be GrandMa mode.

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