Sirius Satellite Radio’s stock rose 4.7% after inking a deal with BMW on Thursday to offer the service in the company’s cars. Shares rose 32¢ to $7.20 on Friday. Stock had fallen 86% in the past year.BMW said it will offer Sirius radios in its 3-Series, 5-Series and X5 vehicles. New York-based Sirius also will supply the radios for some Ford Motor Co. and Daimler Chrysler vehicles. Car owners will be able to access as many as 100 channels of CD-quality music, news and other programming for a subscription fee of $12.95 a month. Service is similar to that offered by Sirius rival XM Satellite Radio.