Applications:21pcs for Map light, Dome light, Footwell light, Glove Box Light, Truck Cargo Area Light,License plate light.Fitment:For BMW E46 Sedan M3 1999-2005Installation:1.Please turn off the light first before installation and be careful while removing the stock bulb, it may be very hot.2.Simply remove your old bulb and install the new LED bulb in it's place. If the light doesn't immediately turn on flip it 180 degrees.3.Please kindly move the metal pin clips closer so that they can mount the festoon tighter in case the bulb is slightly loose in socketPackage Included:21x led light bulbNote:Please allow slight deviation due to manual measurement.Due to light and screen difference, the item's color may be slightly different from the pictures