A few weeks ago, they built a sharp 4" tall speed bump outside my house. Never driven over such a bump before, but when I now do, I hear a loud clunk from the front suspension when driving about 10 mph, which seems like a normal speed. I have taken the bump in other cars (Mini and Audi A4) at 10 mph and no clunk. Tesla service picked up my car and dropped off a loaner this Tuesday. And sure enough, the loaner doesn't clunk at all when driven the same way over the bump. Both cars have air suspension but the loaner is a P85+ 4224x and mine is a regular P85 0124x Service center called back and said nothing is wrong with my suspension and nothing can be done. They don't know exactly why my car clunks and the loaner doesn't. Is it possible that standard air susp cars clunk and P85+ don't? Anybody else noticed this difference? I am not talking subtle clunks, but loud like and old car with a worn shock mount.