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
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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