crwdns2934243:0crwdne2934243:0 jayeff

crwdns2934249:0crwdne2934249:0:

crwdns2915684:0crwdne2915684:0:

open

crwdns2934241:0crwdne2934241:0 jayeff

crwdns2934249:0crwdne2934249:0:

Hi,

Do you mean the main battery in the car?

If so, here is a link which may be of some help, in reprogramming the key to the car. Try methods 1 and 3.

http://www.programyourkeys.com/BMW_Z3_Key_Remote_Control_Fob_Programming.html

If you mean the battery in the key itself, have you inserted the battery in the correct way.

crwdns2915684:0crwdne2915684:0:

open