F Feb New member Apr 23, 2011 #1 the 2.5 or the 3.0 . edmunds .com said that the 2002 has engine troubles but didn't say which type of z3 had the problems.
the 2.5 or the 3.0 . edmunds .com said that the 2002 has engine troubles but didn't say which type of z3 had the problems.