since we have found some of these on a car, but occasionally it still happens.

They are the transport blocks which are fitted in between the front spring coils each side, especially on lowered cars, which prevent the springs from compressing keeping the chassis height higher allowing for lowered cars to be moved onto and off transporters more easily and to help the front valances clear better preventing damage. Thay are however meant to be removed by the dealerhsip when the car undergoes its PDI (Pre-Delivery Inspection) for obvious reasons……..