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      02-05-2013, 12:28 PM   #1
Mamasgotkids
Private First Class
United Kingdom
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Drives: Tube/bus
Join Date: Dec 2012
Location: London

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Is the auto start-stop linked to a specific key?

Yesterday my husband forgot my keys were in his coat and he took them to work, so I had to use the spare key. We've had the car 6 weeks but this is the first time we used this key. I was out most of the morning, the engine was warm, and it was a miraculous 50 degrees out, but the a.s/s didn't engage. Normally it does in these conditions.

Is the feature linked/coded to the specific key? I've never minded it turning on, I'm just curious why with that key it didn't. I figured it would be an all or nothing feature, not key specific (if it in fact is).
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Past:
2006 328d Touring, 2008 318i, 2008 118i, 2012 328i