In the intro, when Axel Foley is driving to the office in the Ferrari, two different models are used. In the beginning, and at the end, he's driving a 328, but during the action sequence in between, it's a 308 (an older model).
Contributed by: Benjamin Turner Sanders
When Axel, Billie and Taggard are rushing to the race track to stop the thieves; When driving they slide around the corner. First Axel is in back seat, in the next frame he is in the front!
Using Super Glue fumes to develop fingerprints creates a white fingerprint, not a black one.
When Eddie comes out of the gun club he talks about a tall blond with long legs like it's an important clue, yet it's the first time he sees her and they have never mentioned her to him.
When they get home after the night club shooting, Eddie says "oh gimme that super clue" like its something they have already talked about, yet its the first we hear about it.