Had a similar problem, last saturday finally tinted my taillights evenly for once in a blue moon. had em perfect looking good. Went down the local shopping centre which is frankston btw with the missus! Parked in the underground carpark. cruised around inside the shops for abit then came out(with an empty wallet, thanks to the missus) Missus goes "Someone's car's been hit" then i looked up the car park abit and seen my bumper hanging off, taillight lense smashed on the ground. dinted the quarted panel. No one seen it, or even owned up so some useless f**k has side swiped my car on the way out and done a runner, was soo angry. sucks bad.