The Exotic Car Park features ten cars from ten manufacturers new to the Forza series. Apparently they're all quite quick, too!
So I've got five download codes here. Below you'll find one code. First person to redeem it via Xbox Live gets the pack. If the code doesn't work, then somebody's already nabbed it.
1st code: PRBQM-FTHWB-7MX4Q-29QQG-QW7JG
And here's your 5th and final code: V2CQX-YCV2P-KH3R4-T6QCK-XJKCG