I got my key from ebay, hopefully a decent one.
I then paired it to open the doors with buttons,
then went and got it cut, at a small local locksmith £25
then i tried to open the door worked fine,
but no ignition obviously not paired.
I then followed the guide i linked above, and put my original in ignition turned it to position 1 i think and then put new key and it turned over now a working spare.
I was warned not to play with pairing my own keys as i could lock my car out somehow but i followed above and worked for me.
good guide, but scary part is pairing it to start engine when i tried to turn it was a bit stiffer but after it sync with alarm its fine now as a spare key.
had to follow guide exactly.
dont try if your worried about getting car locked out, your need bmw to sort that i heard.
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