Auto Union Tuning is a complete dealer alternative where we diagnose, repair and service your VW, Audi, Porsche, Bentley, Lamborghini, Ferrari, Maserati, and Tesla. We Proudly service the Placentia, Anaheim Hills, Yorba Linda, Chino Hills, Diamond Bar, Fullerton, Corona, Brea, La Habra, La Mirada, Orange, Irvine, Tustin, Huntington Beach, Auto Union Tuning is a complete dealer alternative where we diagnose, repair and service your VW, Audi, Porsche, Bentley, Lamborghini, Ferrari, Maserati, and Tesla. We Proudly service the Placentia, Anaheim Hills, Yorba Linda, Chino Hills, Diamond Bar, Fullerton, Corona, Brea, La Habra, La Mirada, Orange, Irvine, Tustin, Huntington Beach, Westminster, Garden Grove, Seal Beach, Long Beach, Fountain Valley, Costa Mesa, Newport Beach, and Santa Ana areas. Along with the experience, training, and vast knowledge acquired through the manufacturer, our technicians are true car enthusiasts that use the latest tools, diagnostic equipment, and same procedures used by the dealership. Using only genuine and the highest quality O.E.M. parts, there is no job too big or small. We also stock and sell many parts over the counter for the DIY enthusiast. ...more