My 89 325i has a brake problem I haven't experienced before on any other car. Several times a day, when the brake pedal is depressed it feels (for the lack of a better term) crunchy, a bit like the ABS is kicking in. For those of you who live up north, it feels exactly like stepping on snow that partly melted and then re-froze. This has been going on for several months and seems to be getting more frequent.
My mechanic, who used to own the car, couldn't find anything wrong, although we did replace one set of brake pads (and inspected the other), and that didn't help. He thought it might be the ABS controller, and so I tried a couple of used ones (new ones are outrageously expensive), and this also didn't help.
Any ideas of what else it could be? Is this a common E30 problem?
Thanks for any advice.