How to Replace BMW CAS3 DME with Yanhua Mini ACDP?
Read the ISN from the replacement second-hand (used) DME and write this ISN into CAS module by OBD or ICP mode.
After ISN is written into DME, the original car key can still be used on this vehicle normally.
By ICP Mode:
ACDP will show your ICP connection
in ACDP Mini software, select BMW CAS1-4->CAS3/CAS3+ ->ICP mode->Read/Write CAS ISN (Replace DME)-> Select CAS3 Mask 0L15Y, 0M23S or 0L01Y to continue
Then follow 3 steps to complete DME replacement job.
Step 1: Read CAS EEPROM
Step 2: Modify ISN
Step 3: Write CAS EEPROM
By OBD Mode:
in ACDP Mini software, select BMW CAS1-4->CAS3/CAS3+ ->OBD mode->Read/Write CAS ISN (Replace DME)
Select Replace DME of 32-bit ISN (for new DME type) or Replace DME of 4-bit ISN (for old DME type)