Problem:
Tried to program BMW CAS3 semi-smart keys, the Remote start the car by inserting it into the slot but failed to lock and unlock with the remote, however the car frequency & my added remote frequency are the same!!! Xhorse VVDI Key Tool Plus gave an error: low power frequency. Any idea?
Solution:
Difference between FSK and ASK.
There are two types of 315Mhz for BMW CAS remote, 315Mhz(FSK) and 315LP Mhz(ASK), the ASK model mostly use it Japan.
There two types of 315 keys regular and low power the LP ones your tool is saying to use the LP one.
For low power you need FSK.
You need 315 fsk. Ensure proper fcc id or it will not communicate via remote.