CGDI BMW FAQ:
Q1: on CGDI BMW info it says supports bmw key unlock, does that mean i can reuse a old key and reprogram it?
also how safe if downloading for cas3+, i only ran into this issue one time and i did not downgrade as worried mess things up. im curious how well this programmer works.
A1: Yes, you can reuse an old key and reprogram it.
and yes it is safe if downgrade for CAS3+.
Q2: how do you unlock the key and reuse did you try this?
A2: there is a button that says unlock key. i tried and worked with aftermarket key, did not try on a original bmw key to unlock(tested on e60 cas2)
Q3: Key programming steps for cas4 I have f10
A3: Cas4 can only be done by reading DFlash from Freescale cpu then load into programmer software and generade key. It can no ne done by obd.
You need xprog or vvdi prog to read the dflash.
Q4: CGDI BMW need to pay every 6 month subscription same as CGDI Mercedes ?
A4: No
Q5: I have cgdi for bmw. Got a key and the cas module. Is there any1 familiar with how to program the key. I want to do bench programming without obd2 I have an obd2 to cas adapter and cgdi but cant communicate with cas unit. Is this even possible?
A5: You could try through a KGM body module or a JBBE junction box.
These modules act as the CAN hub for the car.