I am in the process of putting a Mercedes 2.4 OM616 in my Bombi. Its tight but so far it looks like a perfect fit. I'm using the Mercedes 4 speed manual transmission.
http://s44.photobucket.com/user/camaro350/media/thumbnail 2_zpsvcrcbuf5.jpg.html?sort=3&o=6
http://s44.photobucket.com/user/camaro350/media/thumbnail 4_zps9xjp7aja.jpg.html?sort=3&o=7
http://s44.photobucket.com/user/camaro350/media/thumbnail 2_zpsvcrcbuf5.jpg.html?sort=3&o=6
http://s44.photobucket.com/user/camaro350/media/thumbnail 4_zps9xjp7aja.jpg.html?sort=3&o=7