Haven't done this before, mine is a euro, but it gets discussed a lot, you might feel like doing a search. You should definitely find info about the different connectors and what to do about them, I don't think its too hard.

__________________
190E's:
2.5-16v 1990 90,000m Astral Silver
2.0E 8v 1986 107,000m Black 2nd owner
http://www.maylane.demon.co.uk/190esmall.jpghttp://www.maylane.demon.co.uk/190esmall2.jpg