The transponder is at fault
You will need to read the ews information then rewrite it Back to the ews as if it was a new ews unit
Then you can stick the key in turn the ignition on for 30 secs
Thanks FAL, Chiptune & The End!
Think chiptune has nailed it, the biggest clue being that one key has a weak transponder - tried loading up DIS v44 last night but i'm not sure the image i have is any good, it loads the os on the vm then halts after about 2mins with just a static cursor - so FAL i would like to have a copy of yours if thats ok?...
Thanks - Steve
.... "Thanks Great Mate"
Taken a different aproach to this at the moment -
I've removed the transponder chip from the working (weak) key & fitted it into the other one - It now starts the car properly - after inspection it looks like the charging coil was damaged (under microscope) - so it would seem that the coil acts as the antenna as well as the charging pickup....
The downside is i now only have one key - can timpsons clone these ? - or is it poss to get another one cut & the transponder programed ??
We're selling the car as she dont like green! - think i fancy an e39 m5.... promised myself an 850 when i turn 50 so i'll have to get DIS up & running properly to disable the speed limiter - (here there good for 180mph) - Nice!
I think Timpsons can only copy the blade, Have a look through the yellow pages and you might find someone to make a new key, or try BMW too, as they'll have maybe 6 free key slots available.
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