Allende,

Your reasoning is correct.  The repair shop should have a BAP that would pay for damage to nonowned vehicles in the care, custody and control of the garage.

Please see page 52 in the state manual which states. "There is no coverage for those associated with the business of selling, repairing, servicing, storing, etc..."  in the PAP. This question specifically asks for coverage under a PAP, so the answer would be "the owner's policy).

Jan