Originally Posted by
Fenrir
Haha welcome to E21 ownership. The later model E21s used a mechanical fuel injection system. If there's a vacuum leak, well it doesn't work so well. And chasing down a vacuum leak on a car from 1983 is a pain. A common thing is to switch to a pair of Weber carburators. Solves the mech injection issues and sounds great. Just takes a lil time and elbow grease.
The hazard switches in the E21 also act as a fuse of sorts for the turn signals. Also, the hazard switch breaks rather often. Sooooo if one goes, all sorts of gremlins arise. That said, the car is pretty easy to work on and future proofing any real issues isn't hard.
I've owned two 320is' and even with the minor headaches, I'd buy one all over again.
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