Thread: What is this button for?
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      03-07-2024, 01:35 PM   #2
ezaircon4jc
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Drives: 2019 540i M Sport
Join Date: Jan 2015
Location: San Diego

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Quote:
Originally Posted by Elcarim View Post
Does anyone else have this? what is it for? was there when i got the car.
Whatever it is, it's aftermarket. The picture to tell for sure, but a WAG is an amp controller.
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