Goofs

When the two cops storm into Boomer's house to kill him, the one cop's weapon changes from a machine pistol, to an Uzi, to a machine pistol again.

Ed Kelvin's hair changes between scenes.

When Boomer steps out his house and discovers the heist in process, Ed Kelvin is wearing a jacket, although he wasn't wearing one in the previous scene. Then after the scene where the two crooked cops sent to kill Boomer are disposed of, Ed isn't wearing a jacket again.

In one shot, the Rolls Royce has the right rear wheel shot and destroyed, in a later shot the same Rolls Royce is seen jumping over another car with all 4 wheels intact.

With the many location changes throughout the film, Beverly Hills is not that flat nor does it have that many wide roads in the neighborhoods.