Here's a link that should answer your question (from back in 2011). I'm not that up on which aftermarket software can do what...but the OP at the link only mentions BMW DIS...but I'm sure one of the aftermarket set-ups may be able to access this info so you can change the interval. Good luck.

Click here: http://www.xoutpost.com/bmw-sav-foru...play-leds.html

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