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m5 sports button wiring
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  1. E39 M5 and E52 Z8 Discussion
    Hello everyone, I'm new to the group, and just wanted to pick someone's brain on the m5 sports button. I know what the button does but my question is more electrical. What I wanted to know is if there is a 12v signal wire behind in the wiring, so that when you push the button a wire gets 12v. I...
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