Is it 100% safe to use VVDI2 programmer to program CAS4/CAS4+ key by OBD? The answer is yes, you need to use Esys to program. How to read & program BMW CAS4 CAS4+ with VVDI2 by OBD Cable? Just made an extra key to a 14 528i within 15 min by OBD with VVDI2. No flashing just unlock CAS4 in about 10 min. I always run a jumper cable from my running van to the BMW I’m working on & never had a problem, only time I bricked a CAS3++ was when I was downgrading & battery died That’s exactly how I did it & super easy! VVDI for CAS4 / CAS4+ via OBD Review 1. Yes. If you read few posts up you will see few people done that. I did few with obd. VVDI for CAS4 / CAS4+ via OBD Review 2. Some it works and others not. The 7 Series I tried about 2 weeks ago, it gave me an error stating CAS4 software version was higher than expected and that if I continued it could corrupt the CAS4. I then did it by VVDI prog and eeprom dump. The I tried on 5 series F10 and it worked...
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