11-24-2021, 07:15 PM | #1 |
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Keys unresponsive - car would only unlock via the app
I had my first issue this evening with my 2019 320d M-Sport.
The car had probably been sat on the drive untouched for 30 hours or so. When I tried to unlock it with my main key, I got no response. So I tried the second key; exactly the same. None of the buttons seemed to provoke any response, although being dark I did notice looking through the window that the hazard warning button was lit, along with the engine-start and parking brake buttons. I was curious if it would respond to the iPhone app. I tried the headlight flash - worked fine. After that I tried unlocking the car from the app and I was in. The engine started fine as well. After that point my key was also working again. I haven't found anything similar on the forum - just people who got in ok, but their key wasn't detected to start the engine. Does anyone out there have any clues what this might be? Good job I had the app connected and set up! I'll make a phone call in the morning to the dealership. |
11-24-2021, 08:45 PM | #2 |
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Try bringing both keys into the car with you, holding one up the right side of the steering column, and the other on the arm rest, and then mash the Start/Stop button a couple times. The fob should sync up with the car and the engine will start up
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11-24-2021, 10:09 PM | #3 |
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That's a weird issue.
When your car is parked for a long time, comfort access stops working until you use the button to unlock your car (walking up to the car with the key in your pocket won't evoke a response). It then works as usual. That is normal. If the hazard warning light button is lit up, it means the car has either detected your key or your pull on the door handle. If you walk up to your car without your key on you and pull on the door handle or press the boot release button, the hazard warning light turns on (means the car has woken up). Which is why I think that was probably a weird error since both keys didn't work and only your app helped. Hopefully it was a one off issue and won't happen again.
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11-25-2021, 07:07 AM | #4 |
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Thanks for the replies. I don’t have comfort access on mine.
Unfortunately this happened again this morning and had to use the app to get in. I’m wondering if to try de-registering the app in case it’s actually connected drive causing the issue. But if I do that and it still happens it’ll be a call to recovery - not via the car but via my phone as I won’t be able to get in! I haven’t looked to see if there is a manual key lock on these cars to get in with the actual physical metal key hidden in the fob…? |
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11-25-2021, 03:22 PM | #5 | |
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Quote:
And there is a manual key hole. You have to remove the plastic tab on the side of the door handle to access it (haven't checked my BMW's but my Audis and VWs have it there).
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11-25-2021, 03:57 PM | #6 | |
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It's all in the manual if you're stuck, but very worthwhile info to remember if your fob battery goes flat. Which will only happen at night in the middle of nowhere in the rain during the winter. Good luck getting it sorted though. Regards Chris. |
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11-25-2021, 07:15 PM | #7 |
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Just to clarify: "hold the dead key against the key marking on the steering column". (If the NFC reader is on the Left side or right side seems to depend on left or right hand driven car.)
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11-26-2021, 06:27 AM | #8 |
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Thanks for the tips - I had a read of the manual and found the lock behind the cover.
This morning it happened again, so I used the manual key lock which unlocked the car and the alarm went off as expected. Unfortunately no matter how I held the key to that symbol and pressed the ignition button, it wouldn’t detect it so the alarm went on and on. I tried to use my app which had logged itself out so I had to fiddle around with that before I could eventually stop the alarm. I decided to try a brand new 2032 battery in the key. Now that key is totally dead. I’m down to one key that hasn’t always worked and my app now. I bought the car last week, so I may be returning it to them on Monday. |
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11-26-2021, 09:16 AM | #9 | |
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I guess I’ll see if this issue returns in the morning. |
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12-01-2021, 04:37 AM | #10 |
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Well it’s been several days since I replaced the battery in both keys and I’ve had no further issues so far.
I know it might sound like it was really obvious, but the fact both keys appeared to suddenly work after unlocking the car with the app and also the fact that I could unlock the car from a fair distance suggested to me at the time this wasn’t a key battery issue. So it seems these smaller CR2032 batteries don’t last anywhere near as long as the chunkier ones in the F30 keys, and cause some very strange problems when they start running low. Thanks everyone for your help 👍🏻 |
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