Rear suspension is non-adjustable. There are kits available to make them adjustable, but it's a weld-in, and pretty complex/lot of work. I've done one. It uses the eccentric bolts and washers from a 5 series.
Some 6ers had automatic air-adjust suspensions. They eventually fail and everyone converts them to springs.
Well, I'm off toward Mobile to make the rounds of insurance, tag and alignment. Report to follow.
Quotes to live by:
guessing gets expensive
nothing is more expensive than a cheap BMW
Ken Kanne, Silverhill, AL, Honorary Forum Grandpa/Craigslist addict/Hoarder of all sorts of stuff
1995 318is "Bebe"; 1993 325is "Elvira" 1985 635CSi "Katja" 1984 633CSi "Sylvia"
I NEED A NAP, DANG IT!