How to Replace BMW CAS3 DME with Yanhua Mini ACDP?

Yanhua Mini ACDP free update BMW CAS3/CAS3+/CAS3++ DME ISN read and write (replace DME) function on March 18, 2021.
  • Easy way to exchange DME for cas3/3+/3++ cars. No soldering.
  • No need to do DME clone.
  • Only reads the donor DME ISN, then write the ISN into the CAS3 via OBD or ICP!
*Yanhua ACDP Host and Module 1 for CAS are required.
Yanhua Acdp Read Write Isn
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, please follow it to do.
Yanhua Acdp Cas3 ICP Mode Help 01 Yanhua Acdp Cas3 ICP Mode Help 02 Yanhua Acdp Cas3 ICP Mode Help 03 Yanhua Acdp Cas3 ICP Mode Help 04 Yanhua Acdp Cas3 ICP Mode Help 05 Yanhua Acdp Cas3 ICP Mode Help 06 Yanhua Acdp Cas3 ICP Mode Help 07

Yanhua Mini Acdp Read Write Cas Isn Icp Mode 09

In ACDP Mini software, select BMW -> BMW CAS1-4->CAS3/CAS3+ ->ICP mode->Read/Write CAS ISN (Replace DME)-> Select CAS3 Mask 0L15Y, 0M23S or 0L01Y to continue
Yanhua Acdp Replace Cas3 Dme 1
Yanhua Acdp Replace Cas3 Dme 2
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Then follow 3 steps to complete DME replacement job.
Step 1:  Read CAS EEPROM
Step 2: Modify ISN
Step 3: Write CAS EEPROM
Yanhua Acdp Replace Cas3 Dme 6
Next, follow ACDP on-screen instruction till succeed.
By OBD Mode:
Firstly, connect Yanhua ACDP to the OBD2 port of the car.

Yanhua Mini Acdp Read Write Cas Isn Obd Mode 02

Then, in ACDP Mini software, select BMW CAS1-4->CAS3/CAS3+ ->OBD mode->Read/Write CAS ISN (Replace DME)
Yanhua Acdp Replace Cas3 Dme Obd Mode 1 Yanhua Acdp Replace Cas3 Dme Obd Mode 2
There are various of BMW DME types, generally divided into old types and new types. The new ISN is 32 digits, the old ISN is 4 digits.
Yanhua Acdp Replace Cas3 Dme Obd Mode 3
Old Dme Type
i.e Old type of N46 DME, MPC with 4-digit ISN
New Dme Type
i.e New N46 DME type with 32-bit ISN
Okay, next is to follow ACDP operation till completed.

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