Philadelphia is misspelled on the airport reader board as "PHILIDELPHIA"
In the opening shot, you see a tape being placed into a vintage TEAC cassette deck which is "connected" to a PIONEER TX-608 which is "connected" to a speaker. This set up would never work as the TX-608 is a tuner only component. You would need either a receiver or a preamp/amplifier to actually connect the deck and the speaker to play and hear the cassette.
The voice-over says "That key was to a safety deposit box in Beverly Hills."
The correct term is "safe deposit box".
The correct term is "safe deposit box".
While Ron tries on a yellow tie in the clothing store mirror, the reflection of a contemporary Mercedes passes in the background. The film takes place in 1983.
The three BMW 6-Series arriving in the warehouse from the shipping container are US version with side running lamps, bigger bumpers, and CHMSL brake lamp. That would not be possible with the grey market cars since the manufacturers or official distributors would not sell those parts to the third party importers or converters. Usually, the grey market cars have aftermarket side running lamps attached to the fenders and the bumpers moving outward as to give the appearance of beefier American 5-mph bumpers.
CHMSL brake lamps weren't mandated in the United States until 1986 model year. All of three BMW cars in the film have them.
The white 6-Series is a 1987 as denoted by redesigned bumpers and long thin side running lamps inserted in the black stripe.
CHMSL brake lamps weren't mandated in the United States until 1986 model year. All of three BMW cars in the film have them.
The white 6-Series is a 1987 as denoted by redesigned bumpers and long thin side running lamps inserted in the black stripe.
The Jaguar XJ-S V12 with full convertible driven by Sydney Evans wasn't introduced until 1988. The car has CHMSL brake, which wasn't mandated in the United States until 1986.
BMW M3 and M5 as mentioned by Dean Karney weren't even introduced until 1985.
Buick Century featured in the background a few times throughout the film is a 1989 model as denoted by full width taillamp, shark nose, black plastic cladding behind the rear doors.
Camera reflected on the German grey car as it zooms out of the warehouse.
During a panning shot at the costume party, the camera's shadow can be seen on several dancers.
When Joe and Dean tour one of the houses, the cameraman is briefly reflected in Dean's sunglasses as he steps outdoors.