At the left is a picture of the BMW A Type key. this transponder car key does not have any remote or proximity functions, but does have an increased amount of security when compared to that of a non-transponder car key. Not only does this key have to be properly cut to the vehicle's ignition, but it must also be programmed to the car's onboard computer. Some of the BMW models which use a A Type key include; 5-Series (1995-1999), 6-Series (1997-1999), 7-Series (1995-1999) and 8-Series (1995-1999).
Hand remote keys give vehicles owners convenient access to their vehicles. The functions of a hand remote key allow for the car owner to lock or unlock the car doors with just the push of a button. These keys must not only be cut to the vehicle's ignition, but the car key must also be properly programmed to your BMW's onboard computer. Some of the BMW models which use a Type B key include; 3-Series (2000-2005), 6-Series (2000-2005) and X5-Series (2000-2006), among many others.
Proximity car keys offer the highest level of convenience that is possible for your vehicle. The Type C BMW car key uses proximity functions which allows for the car owner to open the doors and start the ignition without ever having to put the key blade inside of a lock cylinder. Simply by having the proximity fob on your person allows you access to your vehicle. BMW's which utilize a Type C car key include; 3-Series (2006-2011), 5-Series (2006-2011), Z4-Series (2008-2013) and X5-Series (2007-2011), among others.