Quote:
Originally Posted by kardboard
This is exactly what I was told when I bought my 2010 135i by my sales rep. He told me, if I remember correctly, that the two keys I received were the only two keys that would start the car. If I happened to lose both keys, they would have to replace the ECU (I assume) and would cost an arm and a leg.
Any truth to this? I bought my car new in January of 2010 from a BMW dealership.
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100% wrong.
You can lose both keys and buy two new keys and have them synced to the car.
The CAS unit never has to be replaced unless there is a problem with it, which happens but is very rare (older versions of Program are known to cause module damage during update).