I'm Dumb, I have proof

[jdstrickland]

Probably more examples, but the latest is that I have managed to disable the keys with PA Soft, now I cannot start my X5.

I'm not sure where I screwed up, but I did.

The battery died a few weeks ago, and I used the jumper cables to start the car and bring it into my garage so the charger could be connected. One of the keys died in the process. It will not lock or unlock the doors anymore with the buttons -- it still has all features when putting it into the door lock. The 4x4 light came on also. Additionally, even when the keys worked, I wanted to change some behaviors -- 1 button push to unlock all doors instead of a push for the driver door and another for the rest of the doors, and auto door lock on drive-away.

In any case, I could not get the 4x4 light to go out, and there is an error stored in the transfer case module about CAN communications.

Working on the key issue, I could not get the errant key to work. It can easily be the battery inside of the key, but is it a remarkable circumstance that the key battery would crap at the same moment as the main car battery. I was thinking that there was in initialization error between the key and the car. Whatever. In the process of getting the errant key to work, I have managed to make the working key fail too. Now I have 2 keys and both will not start the car. One of them started the day not responding to button presses, now it does not start the car either; the other key did everything right and now it does not start -- it still responds to button presses.

Upon Engine Start, nothing happens. The symptom set is similar to putting the gear selector in a position that is not P or N. Lights work, all that sort of thing. Just, no start.

Using PA Soft, looking at EWS, the keys both report WRONG PASSWORD, and WRONG RANDOM CODE.

How do I recover the password and code using PA Soft?

[David.X5]

The best I can come up with is to order a new (remote or remote-less) key from BMW, read the codes you need from the chip, and then figure out how to write them into the two keys you have.

Recognizing it is all easier said than done. Key coding scares me. Good luck!

[upallnight]

Hopefully you didn't tried coding with P.A. software with a weak or close to dead battery. Sounds like you might had bricked the car computer.

My X is coded so all the doors open with just one push of the open button and the doors self-lock at 8 MPH. It is also coded so that the fog light can be on with high beam.

[jdstrickland]

Originally Posted by David.X5

The best I can come up with is to order a new (remote or remote-less) key from BMW, read the codes you need from the chip, and then figure out how to write them into the two keys you have.

Recognizing it is all easier said than done. Key coding scares me. Good luck!

"Figure out," is the hard part. If I could do that, I could simply tell the car to start anew with whatever the key says is the code that fits the magic decoder ring.

For the price of buying a key as the starting point, I could drag the car to the dealership and have it recoded so the keys I already have work.

[jdstrickland]

Originally Posted by upallnight

Hopefully you didn't tried coding with P.A. software with a weak or close to dead battery. Sounds like you might had bricked the car computer.

My X is coded so all the doors open with just one push of the open button and the doors self-lock at 8 MPH. It is also coded so that the fog light can be on with high beam.

I did it with engine on.

I had a setting for lock at speed -- whatever the section is called -- but it did not lock as expected. I do not see the setting to make all doors unlock at once.

[g300d]

Holy shite.

Hope you get that sorted.

[admranger]

Could the guy referenced in this thread help you out?

http://www.xoutpost.com/bmw-sav-foru...-new-keys.html

[Emory39]

The 4X4 light gets fix once you turn the steering wheel all the way to the right then to the left then back to the center with out stop-in.(It happens because when the battery drain or gets disconnected)
then just clear out the codes.

They key I don't think that you could fix, the battery for the key is for the fob not for the starting part of it.
Good luck

[jdstrickland]

Originally Posted by Emory39

The 4X4 light gets fix once you turn the steering wheel all the way to the right then to the left then back to the center with out stop-in.(It happens because when the battery drain or gets disconnected)
then just clear out the codes.

They key I don't think that you could fix, the battery for the key is for the fob not for the starting part of it.
Good luck

Turn the wheel all of the way to reset the steering angle sensor. I like it. Now I just have to get the car to start so I can turn the wheel all of the way so the steering angle sensor resets. There is actually a code for the steering angle sensor.

[Emory39]

Yes they will be a code.