Aftermarket Replacement Key Blank for BMW vehicles with 4 Track Key. The key blade will need to be cut to match your BMW key. You will need to buy a transponder chip and have it programmed to your EWS module OR remove the one from your original key and install it inside this key to be able to start the car. We do offer key cutting and Transponder / EWS programming if needed. E31， E32， E38， E34， E39， E36， M3， M5， Z3 - compare to your original key blade... Replacement Key Blank*** for BMW vehicles fits the following models: 8-Series 1990 to 98 - E31 7-Series 1988 to 94 - E32 7-Series 1995 to 01 - E38 5-Series 1989 to 96 - E34 & M5 5-Series 1997 to 03 - E39 & M5 Z3 1996 to 03 - E36/7 E36/8 (some) 3-Series 1992 to 99 - E36 & M3 ****The key blade will need to be cut to match your BMW key. +++You will need to buy a transponder chip and have it programmed to your EWS module OR remove the one from your original key and install it inside this key to be able to start the car. We do offer key cutting and Transponder / EWS programming if needed. This is an aftermarket replacement key for BMW vehicles. United Auto Security is not affiliated with BMW.