depending on tires about 4-5wks if inflated to normal psi... usually the thumping will go away if you drive it around but it can become permanent if left for a long time.
get flatstoppers to be safe and inflate to 42psi. if not, turn the tires by hand 1/3 turn every 3wks or let the car roll forward/aft to get it off the part of the tread that it was sitting on.
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