ACDP mini adds CAS4 keys: 3min done!

Video: How to step by step program a new CAS4 key with ACDP mini


Tested by


Look here: details with images…


Remove CAS4 from the car

The CAS is located under the steering wheel

Dismantle the CAS module


Prepare the following parts:

ACDP main unit



20 pin cable

CAS4 adapter

BAV-KEY adapter

Working key

Key blank



Install the copper pillar

Find the location hole D1-D4


Install the CAS4 adapter on the CAS4


Lock the CAS4 adapter with copper pillars

Clamp the adapter with PCB lock


Connect the ICP+OBP adapter, BDM01 adapter, CAS 4 adapter with the ACDP main unit

Power on ACDP

Run ACDP app on the mobile

Read CAS4 eeprom

Mode 1: add a new key with a working key

Job’s done!