Originally Posted By: eljefino
ELM327 OBD-II dongle
HF torque wrench for lugnuts etc
Brake fluid
a new wiper blade or two
Windex and paper towels for the inside of windows
headlight de-haze kit
LED brake light/ CHMSL bulb(s)
a gallon of antifreeze or ATF on sale-- many don't change this enough.
Black gloss spray paint to touch up stuff like the wiper blade arms that get chipped all to heck
valve cover gasket (check ebay!) my old ones shatter when they hit the trash can and make the motor look grimey.
Battery trickle charger/ terminal cleaning brush
Water injection decarb, air in the tires, rotate the tires, tighten throttle cable, adjust tranny TV cable. Vacuum/ de-trash interior. Oops, sorry, that's all free.