The Sims 3 Game Keys

Download the EA App client from here.
Click "Download EA app" (from the upper right corner)
Install and start application, login with your Account name and Password.
Click on My Collection and click on Redeem Code.
Simply enter your game key in the activation field and click Next. Make sure that there are no spaces left before or after your code.
After successful code verification go to the "MY GAMES" tab and start downloading.

Shift gears and take your Sims for a spin with The Sims 3 Fast Lane Stuff. For the first time ever in a stuff pack, your Sims can get new cars along with furnishings, décor, and apparel in four distinct vehicle-themed lifestyles. Will your Sims embody the speed demon way of life? Or cruise in classic luxury automobiles with the top down? Will they rebel against the establishment in pin-up girl dresses and rockabilly tough guy attire? Or pursue a life of intrigue with spy-themed, sexy apparel and automobiles? Whatever their lifestyle, The Sims 3 Fast Lane Stuff takes your Sims on the rides of their lives! Features Give your Sims the rides they’ve always dreamed of—and the lifestyles that go with them. Enjoy four all-new styles of fashions, furnishings, and vehicles: Racing, Intrigue, Rockabilly, and Classic Luxury. Create the ultimate garage to house your Sim’s professional race car or hot rod. Deck out your Sim’s house in luxurious accessories to match their sleek new, luxurious rides.