No Man's Land (1987)

Benjy has extensive mechanical knowledge of German cars and his rookie status, and he is a cop. Lieutenant Vincent wants to infiltrate Benjy in a Porsche garage suspected to be a front for the grand theft auto scheme and obtain evidence that millionaire playboy Ted Varrick is the mastermind behind it. Charlie Sheen plays the character as charismatically as Vin Diesel would, you can not miss that.