93 400e 130,000mi

about 2 months and $1300 ago I had the dealer replace the wiring harness. After reading and reading this forum, I decided that I'd rather make someone else do it. Now I'm about to replace the water pump. Which was replaced 1 year 2 days ago just over 9000 miles. I was very busy with my house so I had someone else do it. Never again.

Now I'm wondering about the evaporator now. How do I tell if this was replaced? Also, wouldn't it be great if there was a subforum or something with a thread for each model listing all its known problems and popular performance mods? Sorry if this has been suggested before. I'm not lazy, but it just seems that I keep coming across more and more information about this car by accident. It would be nice to have a place to go to make sure I haven't missed anything.