I have a new B&W I sometimes have the same issue. just putting the truck into reverse or drive is enough to relieve the binding on the jaws to allow it to open.
I find it is worse the worse the 5er is level side to side.
__________________
Mocha, one-eyed toothless, hurricane survivor, Pirate dog
2019 20th Anniversary Edition 3701LK
B&W 20K for Ford OEM Puck
2018 Ford F-350 Lariat CCLB PSD DRW KJ5CQH
|