The DL BU1 is a vintage key blank primarily used for classic European vehicle components, most notably Blau locking gas caps found on vintage BMWs, such as the early-generation BMW 2002, Opels, and DKW vehicles.
BU1, FL1R, BT1R, M40, G67J.
Information and illustrations are to the best of our knowledge and sourced from various sources. if you know differently, you are welcome to message us.