Radio/tape Cd Player problems of the 2000 Volkswagen Passat

Purchased my 2000 Passat in 2003, had numerous problems since. It seemed like everything on the car had to be replaced. The control arms, O2 sensors, twice, belts, stereo didn't turn on, all new hoses right away, all 4 window regulators, and now to top it all off, the abs lights kept coming on. My husband has a 2000 Audi a4, virtually the same car, and had to replace all of the same things. The abs seemed to work fine, but the dealer said it would be $1800 to fix it. I looked at some online forums and found thousands of people with similar problems. The manufacturer, (bosch or Volkswagen, should do something about this. My car has been parked since August 2006 because I don't have money to fix it! I am college student. Help!.