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Old 09-06-2012, 12:51 PM
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dbaze540 dbaze540 is offline
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Location: Charlotte, NC
Join Date: Sep 2011
Posts: 165
Mein Auto: 1997 540iA
Originally Posted by sainda210 View Post
I know with LED Festoon bulbs you have to worry about polarity of the bulb install..would the LED BA9S bulb have the same problem? Try rotating the bulb install 180 degree and check the lights. Also, I remember reading a lighting thread I think it had something to do with flipping the visor down and sliding the vanity light cover open to activate the light to reset something..sorry if this not even closely related, but of the fixes for our cars are kind of goofy where as some are pretty straight forward.
The BA9S bulb is pretty much like any other bulb just smaller.

the outside edge is + and the bottom is - (that may be backwards). No amount of rotating will change the polarity, but I appreciate the effort. As for the visor thing, I've never heard of it.
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