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2010 2011 BMW 5 Series Forum F10 Auto Start stop acting weird |
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04-28-2021, 04:44 AM | #1 |
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Auto Start stop acting weird
Just bought a used F10 2011. Whenever I stop at the signal, the Auto start stop kicks in, car shuts down for 5 seconds, then starts again (while my foot is still on the brake) and Parking brake is engaged.
Anyone faced a similar issue or any suggestions what could be wrong? Definitely does not seem normal behaviour. Last edited by Samach; 04-28-2021 at 05:11 AM.. |
04-28-2021, 03:46 PM | #2 | |
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04-28-2021, 05:17 PM | #3 |
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It also monitors battery charge state and restarts if it senses voltage dropping too low. With 2011 it might be the time for a new one. Any other unexplained electrical gremlins that you noticed recently?
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04-30-2021, 02:34 AM | #4 |
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Why not turn it off for a few drives and allow the battery to have a larger charge and try again
As others have said too many variables, could be low charge, trilling to maintain cabin temperature Doesn't sound like an issue to me |
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04-30-2021, 01:43 PM | #5 |
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I would turn it off. it saves a minuscule amount of fuel and wears out the starter prematurely. I have a neighbor that used to work for the post office maintenance department. I asked him about the start/stop strain on the starter. He told me the PO goes through starter motors like they're candy. That alone convinced be to keep the A/S/S off.
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04-30-2021, 11:33 PM | #6 | |
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I know that on our cars, we have a significantly beefier starter that's designed to stand up to the ASS Edit: No, that was not intended, but I'm leaving it that way.
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05-01-2021, 05:56 AM | #7 |
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Thanks everyone for the suggestions. As I recently bought the car, not sure whats the battery condition. Will check and try replacing and report back.
I have not kept it turned off for few drives. I turned A/S/S off, drove 30 kms, turned it back again and saw the same behaviour. Will keep it off for a couple of days and see if the behaviour changes. |
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05-01-2021, 02:58 PM | #8 | |
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No, but they actively turn the engine off and back on at every mailbox cluster. |
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05-01-2021, 09:28 PM | #9 |
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Huh, must be different between states than. They never turn them off here in NJ. Idling laws, maybe?
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05-02-2021, 03:35 PM | #10 | |
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I've only seen the Amazon delivery guys leave the engine idling. I can't believe one hasn't been stolen yet. |
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auto start stop, bmw 520d, f10 |
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