Bavauto has something that you could put gauges in, I believe it goes in that space just in front of the ashtray, below the A/C stuff. I'm not sure, but it's $130.00. Search "VDO e30 console" on their site.
'86 325es (TURTL3): PJ peetsa hawler
'87 535is (BADWATER): almost done... really.
'86 325e (GRN HLL): DD/show/rocket
'04 x3 3.0i: Wife's Bimmer (manual, woot!) My BMW Blog