I've came across an E36 that had EWS system trouble...
There's a lot of Info about E36 EWS Bypass on the net, so I'll post everything I dig up...
This is the first thing I came across:
The thing makes sense. So, I'll try this today. I'll let you know how it works.
(note, the picture of the relays is not from an E36 - might be from a Z3, but I'm not sure.)