ummm...I think the set up is the same as an e32 which means you are going to have to remove the HVAC system in order to get to it. This means-BIGJOB..which means $$$$. I remember the e32's coming for these and the techs had the whole interior apart just to get at it. However, I could be mistaken. :-) anyone want to chime in?
btw, the heater "tap" is what it's called was a common problem for e34 models. they usually malfunction/leak. No fluid in the cabin but external? then it can only be this.
Last edited by Ceeker; 06-27-2011 at 04:08 PM.