Switch key

1995 BMW 316
23,625 MILES
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MUSAJ
  • MEMBER
  • 3 POSTS
my car switch key has a sensor, the switch had a problem and i decided to change the whole switch, but the car would start with the new key unless i attached the old key with the sensor on it. why is that?
Apr 19, 2013 at 9:54 AM
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ASEMASTER6371
  • ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
you need to have the key programmed at the dealer. the car does not recognise the key

Roy
Apr 19, 2013 at 3:18 PM
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