BMW Group University. "Fast Facts – 2011 5 Series GT"(PDF). www.bmwpkod.com. Archived(PDF) from the original on 10 August 2017. Retrieved 20 September 2017.
BMW Group University. "Fast Facts – 2011 5 Series GT"(PDF). www.bmwpkod.com. Archived(PDF) from the original on 10 August 2017. Retrieved 20 September 2017.