The Texas numberplate (RLVX-3482) on a red Ferrari 308GTS is not in correct format: the format in the 1980s was three letters and three numbers.
The red Ferrari 308GTS was an European version without requisite US 5-mph bumpers and side running lamps, which wasn't allowed on the public roads in the United States unless the car was at least 25-year-old at time of importation.
The scene after interrogating KiKis CI, they are driving and when they turn, you can clearly see a Toyota quantum H200 long-wheelbase wagon. These were released in 2004.
The sex scene that's shortly shown in the beginning of the episode, the couple is having sex on the diving board at the pool, the scene flashes very quickly, but if you pause, you can clearly see the actress wearing underwear and sitting on the actors lower stomach.