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05-13-2021, 09:20 AM | #1 |
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Hazards begin flashing over 20mph
This is an issue that came up last fall and has continued this spring in my 2003 3.0i.
When I take the car out for a drive, it occasionally begins turning on the hazard flashers when I drive over 20mph. If I slow down under 20mph, they quit flashing. If I pull over and completely turn the car off/on a couple of times it'll stop and there's no issue. I don't get any soft top warning lights indicating that it isn't latched or completely down/up so I don't think that's the issue. I've seen reference to a couple of relays that may go bad and cause this in other BMW models, namely a crash alarm relay, but haven't seen that referenced on an e85 platform. And that didn't seem speed related, where as this definitely is. Has anyone experienced this problem on the Z4? |
05-13-2021, 12:19 PM | #2 |
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If I remember correctly there is an option to lock your doors at a certain speed. It's quite possible GM5 module is glitching and somehow cross wires with this feature.
If you have software that allows you to access your comfort settings… I would see if it's activated and switch it off if it is…. then see if that fixes the issue. Just a suggestion to drill down on your issue ….
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05-18-2021, 11:59 AM | #3 | |
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Thanks, I'll add that one to my list of things to look at.
Unfortunately as this car ages, the gremlins continue showing their face in the little things. Quote:
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05-18-2021, 02:15 PM | #4 |
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Download INSTAD and purchase a cable. See what errors are showing up. And then drill down on the errors to see what is causing and how to correct. Software is avail online as well as a cable. Cable is either z4 specific or has ability to be switched to before 03/07 or to after 03/07… or thereabouts….as I'm going off memory for the month in 07.
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11-16-2021, 11:11 AM | #5 | |
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My warning lights flash in slow time when I go over 20mph and I get a "slow" warning flash on the satnav screen. |
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11-16-2021, 03:14 PM | #6 | |
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