The windshield washer not working, and the antenna not retracting are common. Check your fuses. I would tell you which one, but I don't have my book right yet.
Tires? 205/60/15. That's a good size. I'm running 215/60/15, which is a little bigger, but not by much. Get rid of the metric, they are too expensive to replace.
...and last, but not least, any radio shop should be able to put a deck in there. Both of my E28's have CD decks in them. Getting an adapter might take a special order, but other than that, no problem.
'86 325es (TURTL3): PJ peetsa hawler
'87 535is (BADWATER): almost done... really.
'86 325e (GRN HLL): DD/show/rocket
'04 x3 3.0i: Wife's Bimmer (manual, woot!) My BMW Blog