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Old Thu, Dec-14-2017, 01:12:55 AM   #14
dunkman23
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Default Re: Bought new Used 97 M3 - Keys arent matching

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Originally Posted by bluptgm3 View Post
My thought here is that Dealer key(s) would be sourced to the VIN, containing a chip code pre-coded within the EWS, a total of 10 codes. The tumbler assembly would also be VIN matched to the keys. Tumbler does not play a roles in key, EWS, ECU ‘conversation’, but the antenna ring located on the tumbler does.


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So I ordered a new OEM Vin matching key from BMW. This Key now opens glove box, trunk, and passenger side door. It doesn't start the car unfortunately. I pulled out the DME/ECU and it matches the the cars Vin. Do you guys think just swapping out the Tumbler to match the OEM Key would fix this issue?

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2002 BMW ///M3 6mt TiAg /Imola - APEX ARC-8/PSS - BILSTEIN PSS10

1993 BMW ///E34 Touring - OBD1 S52 - 5sp MT, 3.23 LSD - SOLD

1997 BMW ///E36 Sedan -

2012 BMW ///E70 MSport -
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