Originally Posted by BMWOO7

I've been trying to find some diagrams for you. It could possibly be under the dash or behind the side panel on the left hand side in the rear of the car, I know there are allot of other control components there as well.



In doing a search it's looking like there might be some components along side the battery as well.



Although, looking at some of the aftermarket stuff, it probably is behind the passengers side glove box...



I'll keep looking for ya...........