LCD Upgrade Version Modified Universal Smart Remote Key Kit For All Keyless car BMW Style Silver Color

1. 100% brand new and high quality modified key shell with LCD screen.
2. A professional locksmith needs to weld the original key remote control board.
3. LCD key functions: unlock, lock, switch the tail box.
4. Does not support mobile APP key,
5. Suitable for all original cars with one-key start function, not suitable for all manual direct-plug car keys. 

How to use LCD Upgrade Version Modified Universal Smart Key Kit For All Keyless car BMW Style : 

1. Take out the circuit board of the original factory key
2. Take out the wiring harness equipped with the universal key
3. The corresponding wiring harness is welded to the battery position on the circuit board.
   Note that the red wire is welded to the positive pole and the black wire is welded to the negative pole.
4. According to the schematic diagram, weld the connecting wire harness to each key function switch of the original car key board.
5. Insert the circuit board terminal into the port of the modification key, close the back cover, tighten the screw, and then
   insert the OBD into the car OBD port, and then you can use it normally. Universal Smart LCD Remote Car Key。Add keyless entry function.