In Reply to: does the m3 before 1996 has a plastic impeller in posted by holly on April 28, 2000 at 20:05:34:
And yes. According to the material I have read in the past. Problems start to appear around 50k miles.
I own a '95 with 30k miles. No problems thus far but I am not taking any chances. The water pump is scheduled to be changed some time this summer.