Description

Applicable models and years: ▶ For BMW : 4 series 420i  (1994-2021) ▶ For BMW : 4 series 428i (1995-2021) ▶ For BMW : 4 series 430i (1996-2021) ▶ For BMW : 4 series 435i (1997-2021) ▶ For BMW : 4 series 440i (1998-2021) Product Features: ▶1:Car Model Car Special Dedicated ▶2: Lock Unlock ▶3: Car Boot Control ▶4: Passive Keyless Eniry ▶5: Automatic Lifring Window ▶6: Remote Strrt ▶7: Car Search ▶8: Anti Loss Number ▶9:Switch The Tail Box ▶10: Mul Tilingual Specification: 1.100% Brand New And High Quality Modified Key Shell With LCD Screen. 2.Does Not Support Mobile APP Key. 3.Please Confirm Whether You Have A Key Start Function Before Purchasing. It is Best To Send A Picture Of Your Original Key To Confirm. How to use: 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. 6.Please confirm whether you have a key start function before purchasing. It is best to send a picture of your original key to confirm. Thank you for your inquiry.