YOU SAID:

I just got my tires changed on my car

INTO JAPANESE

車のタイヤが変わった

BACK INTO ENGLISH

Your car's tires have changed.

INTO JAPANESE

車のタイヤが変わりました。

BACK INTO ENGLISH

The tires of the car have changed.

INTO JAPANESE

車のタイヤが変わった。

BACK INTO ENGLISH

The tires of the car have changed.