supermike:
Visit this thread:
http://www.peachparts.com/shopforum/showthread.php?threadid=33242&highlight=rough+idle+when+cold
Lots of possible causes including the infamous wiring harness on your '95 model. Has it been replaced?
Good luck...... use the search function, there's a wealth of info on rough idle.
~Paul
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'91 300E, 208k miles