there were some threads on one of the other BMW model line forums (probably e90 but i don't recall for sure) on how to do this there. on the e90 you can pull the switch apart, remove a plastic cover and put it back in. On the F25 its apparently a separate switch part as shown in the orig. post by dandanio.
So - 2 things, one of those forums I read a few months ago mentioned that rear fog lights are illegal in some places in the US - so if you do this mod you might to be aware of that when you turn them on.
that being said, where can I find the rear foglight switch in module the US ?
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2018 X3 M40i G01 | Phytonic Blue | Mocha | Premium+Exec | Driver Assist | Adaptive M Suspension
2011 X3 XDrive35i F25 l Deep Sea Blue l Mojave Leather l Sport, DHP, Premium, Nav/Technology, Cold Weather, Convenience [traded in]
2008 328XI E91 Sportwagon l Sparkling Graphite [traded in]