Hm. What were you searching for? 12, 14 and 15 are available in BluRay and streaming through Amazon Video.
http://www.amazon.com/Mans-2015-Nico-Hulkenburg/dp/B016W3RTIO/ref=sr_1_1?ie=UTF8&qid=1462906802&sr=8-1&keywords=le+mans+2015