Car model and year: 2014 Audi A6 with all keys lost, it is proximity key and does not has slot. Car has bcm2 unencrypted. Tool to use: Autel IM608 Autel wants this done to get immo info. Has anyone had success with this Procedure? Autel official reply: Currently, the pin and cs of VW A6 Immo4 cannot be calculated and the user needs to obtain it from others. Here I share one user’s feedback: I did, you need read bcm on bench, write key in dump to can turn ignition on, then read ecu and tcu over abs CAN-L and CAN-H. Then I unlock key with KEYDIY KD-X2 and make dealer key again and adopt on car. BTW, you don’t need data from elv. FYI, I use cable from MPPS, only +12, GND, CAN-L-H. I mean unlock key with KEYDIY KD-X2 (shown as following image): For the proximity key with no slot: Put the jumper on 1 and 16 and ignitions. I already have bcm2 immo data. That was easy. If you already have information about BCM2 you should know that you can now reprogram keys you do ...