Return for refund within 30 days, buyer pays return shipping.
Comprehensive BMW CAS3 and CAS4 testing.
Verify CAS program and data validity.
Identifies valid and programmed keys.
Check the functionality of BMW CAS3 and CAS4 with Yanhua Test Adapter. Verify CAS program, data validity, key output, and legality. Includes indicator lights for easy testing
Yanhua BMW CAS3 CAS4 Test Adapter
CAS Tester function:
1. Whether CAS program is running normally.
2. Whether CAS data is valid.
3. Whether the key is outputting inductive signal.
4. Whether the key is legal.
Tester indicator meaning:
1. The indicator D2 flashes to indicate that the tester CAN Bus communicates with the CAS module normally.
2. The indicator light D4 is on for a long time, indicating that the CAS module data is valid.
3. Put the key into the induction coil, and the D3 indicator flashes, indicating that the key is outputting LF signal.
4. If the tester beeps, indicating that this key is the valid key of the corresponding CAS module, or the newly programmed key is learned successfully.
1pc x CAS3 / 4 Test Adapter Host
1pc x CAS3 Interface Board
1pc x CAS4 Interface Board
1pc x 8P Cable