If the Dark Knight ever wanted to ditch the Tumbler for something a bit more snazzy, Khalfi Oussama's BMW-badged X9 Concept would be a prime candidate for the job - preferably in a matter black finish. The 18-year old designer from Tunisia did not attach any information about the X9 Concept, but feel free to check out the rest of the pictures and have you say in the comments section after the jump.