If I'm reading that brochure right, it looks like tongue weight exceeds the E70 hitch rating by a couple hundred pounds. I tow a trailer with similar dimensions, but tongue weight is half of that airstream's. Be safe!
2011 X5M Alpine White/Sakhir Orange, Eucalyptus, Spare tire!, Comfort, Soft Close, Tech, Climate Package, Individual dash, Individual Audio, HUD, DVD, USB, Cold, OEM hitch
2008 X5 4.8i Space Gray/Tobacco, Premium, Sport (includes AD), Active Steering, HUD, Tech, Comfort, Cold, Climate Package, 3rd Row, Prem Audio, running boards, OEM hitch
2016 Sierra 2500HD All-Terrain
2005 X5 4.8is
2004 X5 4.4i Sport
2004 X3 3.0i 6MT
Last edited by Rickm5X3; 10-05-2012 at 08:20 PM.