Just bought a Mini Cooper S convertible 2013 and read about the way thieves steal cars nowadays: by copying the key via the OBD2 connector. There are several (expensive) solutions for this out there, like mechanical locks, keypads and magnetic swipe cards. But a simple hidden Switch that reconnects a cut wire when the car needs to go to the workshop would do the job as well. Which wire should I cut and reconnect via a hidden switch to prevent thieves from starting the car or copying the key? I read somewhere the K-line but without any further explanation (and is that pin 7)? Thanks!

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    Cut any wire you like - if they turn up with a breakdown wagon ie flat-bed and load your car on it - no one will ask any questions.... Never had one question from others when we did exactly that... But we were legit... – Solar Mike Mar 20 '19 at 14:18
  • I'd just wire a kill switch inline with the starter. – 3Dave Mar 20 '19 at 20:09

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