Albert,
, we have the same unit and love it. Have towed it over twenty two thousand miles so far. Had some minor issues in the begining, nothing serious. I did add an additional step up to the bedroom/bath area, much easier on the knees and replaced the Lippert Equa-flex system with Dexters' E-Z flex system. Love the way it tows, you can almost forget it's there.
Enjoy the new 5er and Happy Campin.
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2016 KZ Durango 315RKD
2015 Dodge 3500HD SRW, CCLB, 6.7L Cummins, Aisin.
Curt puck legs w/Curt Q16 head
VET/USMC