Sixt review: Scam!!

SCAM! Do Not Rent From Them!
Rented a car for 2 days Fort Lauderdale.
Retuned no problem Agent walked around inspected for damages and gas tank full.
Two months later received a letter from their "partner" company saying I owe $700 for a 4cm scratch on a rim? They say agent does not look for damages since you drive through a camera upon return.
The BBB site shows 198 pages of complaints with half being "rim damage or scratches" Over 50 complaints for rim damages in the last few weeks alone! all for about $700 I've been on the phone over an hour and Priceline will not assist either.