This might work?

http://store.summitracing.com/partdetail.asp?autofilter=1&part=SUM-800110&N=400304+303917&autoview=sku

Also these guys make gauges for audi's and vw's so they might have something for the e31

http://www.omoriusa.com/contact.htm

http://www.youtube.com/watch?v=ZstOdfNNR98

http://www.youtube.com/watch?v=c9cvti_NWI0

it's not orange, Rob! :(.

it does change to orange....have faith little grasshopper:)

first video

:D! /bows down.

Where are you going to get the extra DIN slot....:shifty
IMHO, if your going the climate control relocalization route....I would opt for a 2Din screen.

These are cool..I think
http://group5motorsport.com/defi/defilink-meter-bf/g-50234.aspx

Maybe retro fit into this since they make em for the 3 series
http://group5motorsport.com/autometer/autometer-gaugeworks-mountingsolutions/g-50722.aspx

Possible option: Adapt what Z3 guys are up to: http://forums.bimmerforums.com/forum/showthread.php?t=480998&page=6