Good luck Milo - you'll love the Z3!
I have successfully purchased 4 cars on eBay and there are still plenty of Z3s listed. Check the seller's previous ratings. Do a lot of communications via email (if possible) or eBay email. See if the seller will provide his / her phone number. It sure relieves a lot of concern to talk with the seller. Study the pictures posted carefully. Save them on your PC and blow them up looking for body flaws or too large gaps in the sheet metal (possible accident damage). I have not regretted any of my eBay auto purchases.
I purchased my 2001 Z3 on eBay. At the time I was doing a lot of stop and go driving so I got an automatic. Now I wish I had a stick, but I'm still happy. Of course if speed and power are your thing - get a
3.0 M series. Also, there are a lot of after market add-ons if speed is your delight.
My Z has been very dependable. It doesn't appear to have ever been garaged (I don't have a garage) and the top shows it. I will need a new top in a year or so. The plastic window was totally fogged and had a dark line across the center when I purchased it. Mequirer's (or whichever your favorite brand) plastic cleaner made it (almost) perfectly clear. The center line still shows, but it is hardly noticeable.
I suggest you read the forums / groups on the car to help make your decision. If you ask the same question at
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you will get a lot ofsupport and answers. Check out the Z3 forums by signing up at bimmerforums.com
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Regards,
Dave