How to add BMW CAS3+ key with Launch X431 IMMO Elite
Launch X431 IMMO Elite , as a key programming tool, is naturally necessary to support BMW CAS3/CAS3+/CAS4 functions. This article takes BMW CAS3+ key as an example to show how to add a new key with the X431 IMMO Elite tool (the operation process is also applicable to for X431 IMMO Plus ). Launch X431 IMMO Elite add BMW CAS3+ key via OBD, divided into two steps: backup key data , and then learn the key . Step1. Backup Key Data IMMO >> BMW Connect diagnostic connector and X431 IMMO Elite at the same time. Click "OK". Anti-theft key matching >> CAS3/CAS3+ IMMO >> Key operation >> Key data operation >> Backup key data Use the function to backup CAS key data. Remark: It is suggested that the CAS original key data should be backed up with the function before key learning. Reading key data… Reading RAM data… Take the key out from the ignition switch! If the key is a smart one, please put it outside the vehicle. Click "OK"...