I drove mini cooper R56 for a very short distance for about 4 minutes, the whole car died completely. The battery was working fine, everything else seemed fine but the car died altogether with no symptoms.

The car however came back after 3 hours automatically. It appears like maybe this was something to do with theft prevention because its very strange that the key getting stuck (not getting released if you push it again) and car completely dead and then coming back to life after 3 hours. What could have triggered it?

Update: Found someone else also experiencing exactly similar issue in Mini Forum, but unfortunately no valid solution so far.

  • Please explain what you mean by "...key getting stuck..." Does the car have a physical key? Could it no longer be inserted, or removed, or turned from one position to another? – DavidSupportsMonica Jul 30 at 14:24
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    If the car's electrical system had turned off, then I'd expect that the key release action would fail for lack of electricity. This is consistent with a total power failure, but does not explain why the failure occurred. If the car has an OBD or EOBD onboard diagnostic port, you should start by having the codes read, as there may be an electronic record that will assist the diagnosis. Your thought of a theft system issue is a reasonable one, – DavidSupportsMonica Jul 30 at 14:46
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    I would suggest you have an issue with the power connection at the battery or where those leads land (body or power delivery). I've seen it many times where the main power will get lost then come back after some time. This could be due to corrosion or a lose connection. Check your battery cable ends for corrosion as well as if there is any bulging in the cables themselves. Just a thought, because it's a long shot. – Pᴀᴜʟsᴛᴇʀ2 Jul 30 at 14:50
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    You checked the battery connections at the battery, but you should also check all the big-wire connections at the other end of each cable, where the cables connect to the car's ground and to the starter. It is possible, 'tho unlikely, that one of the cables has an intermittent internal failure. – DavidSupportsMonica Jul 30 at 14:58
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    Your course of action sounds prudent to me. I wouldn't want to risk getting stranded either. – DavidSupportsMonica Jul 30 at 17:01

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