So as far as the title reads, I definitely have a leak somewhere and currently planning on it being the antenna exterior grommet. In regards to that, replacing both grommets and upgrading to a stubby antenna (tired of looking at the awkward whip antenna). Getting what looks to be water down on...

The top on my 2000 Z3 M will not go down. I can undo the motor and put it down manually. Once down, if I reengage the motor I can put it up. If on the way up I push the down button it will go back down. But once all the way up, it won't go back down. I am thinking the problem may be in the...

2000 Z3 rumble in rear during hard acceleration & shakes in front at speeds over 50 2000 Z3 with 100,000 miles rumbles in rear during normal to hard acceleration (1st & 2nd gear) & shakes in front at speeds over 50. Two completely unrelated problems and I need advise on where to go before I...