Modified LCD Screen Keyless entry Remote Key Shell For BMW 2 3 4 5 6 7 SERIES X3

Description

Fitment:
The original car key's board needs to be installed in the LCD key cover;
a professional locksmith needs to weld the original key remote control board.
LCD key functions: unlock, lock, switch the tail box;
Does not support mobile APP key, no comfortable entry function;
Suitable for all original cars with one-key start function, not suitable for all manual direct-plug car keys.
You only need to insert the OBD into the OBD socket under the steering wheel of the car to realize the function of comfortable entry. When leaving the car, it will automatically lock and close the window, and when approaching, it will automatically unlock. But OBD is not compatible with Ascending Window.
The steps of welding PCBA
Step 1.Take out the main board of the original car key, and weld the connecting wiring harness on each key function switch of the original car key board according to the diagram below.
Notice:
When welding power harness, be sure to distinguish between positive and negative, red is connected to the positive electrode, black is connected to the negative electrode.
Step 2. Connect with LCD key, according to with thedirectionof label in LCD key.
Red= V+/Power+/3V
Black= V-/GND
White= Lock
Green= Unlock
Yellow=Find car /Multifunction button
Blue=Trunk