This post introduces how to use Yanhua ACDP2 to upgrade BMW BDC3 key to U shape and choose which menu.
Tools required:
- Yanhua ACDP/ACDP2
- ACDP Module 38 BDC2 IMMO License A503
- Yanhua ACDP BMW BDC2 / BDC3 / BCP / LCD Key Encrypted Key Copying Interface Board Set

Simple guide:
Read the original car key and then select the new key type to write.
Just choose according to the type of the new key
Path: BDC02/BDC03/BCP/LCD-KEY (Encrypted Chip) ICP CopyKey-> BDC03-KEY (Square main chip)

New key types can be selected as follows:
- Write BDC02-KEY (Rectangle main chip)
- Write BDC03-KEY (Square main chip)
- Write BCP-KEY (With UWB)
- Write BCP-KEY (Without UWB)
- Write LCD-KEY (Before 2015)
- Write LCD-KEY (2015-2017)
- Write LCD-KEY (After 2018)




