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ONTO/Evezy £50 Code: CADA7
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Discussion Starter #1
Bit of an interesting one.
I've recently taken delivery of several BMW i3's to add to the fleet. I've installed carshare tech equipment to a few batches of them in the past and had no problems at all. But the latest ones to have been delivered are proving to be a pain in the butt, because part of the equipment I am installing includes a little OBD Dongle.

Every time I lock the doors, the alarm goes off. After a lot of testing, trial and error, and finally confirming this with someone at BMW who knew enough about their cars, it turns out they have linked the alarm system to the OBD port, and if there is something connected while the doors are locked, the alarm will sound. My contact at BMW is claiming that this alarm has always been a part of the car and that the tech I am installing will never work (Not true since I have successfully installed on 30 i3's now without a problem and likewise companies like Evezy seem to have a similar setup working faultlessly), and I can't get any further help from him.

I'm reading that with the right software, it may be possible to disable this feature if it is the same as other BMW Models, but that is going to get costly with the number of cars we are talking about here, regardless of if I pay someone per car, or if I look into acquiring the software needed. Does anyone even know 1) What the software I need is? and 2) If said software can definitely make the changes I need?

Is there absolutely no hidden menu I can use to disable this annoying new feature? Because if not I may need to try and get the remaining orders for i3's and minis canceled and find some last minute substitutes - A shame since these cars are pretty popular, and the fact that I would rather do without the hassle.
 

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Relatively simple coding, but what does it do to your insurance?
 

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That is probably an other discussion. Some argue the feature is already there and you have just turned it on or off. As long as it is not seen as a safety function you are fine. e.g. folding mirrors on key press etc. But that is above my pay grade so do take advice about your specific application.😀
 

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ONTO/Evezy £50 Code: CADA7
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Discussion Starter #6
Relatively simple coding, but what does it do to your insurance?
The OBD Dongle is actually mostly for insurance and monitoring purposes. It's on fleet insurance for carsharing and they expect it to be installed, and are aware that the car will be accessed and started using methods other than the usual key. I'm not sure where we stand about making modifications to the code, because as you'll read below the only successful outcome so far has involved having the alarm completely disabled. And something tells me that would be frowned upon.

Have you seen this thread? Seems to be an issue. This is a few years old, it may help.
Thanks for that. I'm still struggling to work out how this hasn't been a problem for me in the past given the age of the thread you linked to. I took one of them down to a specialist this afternoon to play around with but haven't really managed to get the expected outcome. There was an option that appeared to deactivate the OBD Alarm but it still sounds the alarm for about a second after locking, and again, very briefly any time the carshare computer wakes up to transmit/receive any data it seems. They found one other option but it seemingly killed the OBD port completely until the car was fully powered up and as a resut means the key needs to be present to start it up - this isn't an option.

Disabling the alarm entirely has been the only thing that has worked so far, but I know that we wouldn't get away with that so had to reverse the changes made sadly.

Still trying to work out a solution. We may see if it is possible to clone the configuration from one of the earlier cars I set up that doesn't have this issue, but if that doesn't work I fear I may end up with a warehouse unit full of brand new BMWs and Minis that are useless for the intended purpose.
 

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2020 BMW i3S 120Ah BEV
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I have seen the same in my 2020 i3s, however I've also seen that I was able to leave an OBD dongle plugged into the car for several days without triggering the alarm. It's probably the case that once the dongle goes to sleep and stops chatting the alarm won't signal. Presumably it depends what control module it logs into.
 

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Discussion Starter #8
I have seen the same in my 2020 i3s, however I've also seen that I was able to leave an OBD dongle plugged into the car for several days without triggering the alarm. It's probably the case that once the dongle goes to sleep and stops chatting the alarm won't signal. Presumably it depends what control module it logs into.
Unfortunately with the setup I have here they are carshare vehicles. Everything wakes up fairly regularly for sending or receiving data about new bookings, mileage data, location and charge levels etc. Some will be located in fairly quiet residential areas and I don't see it going down well if the alarrm goes off every 15 minutes through the night.

I took one of the earlier cars to see if the important code could be cloned. They managed to replicate everything but even that hasn't perfectly fixed it. You get the alarm for a second or two every time you lock the doors, and again very briefly for just a second any time it wakes up for data transmissions. I've tried even reducing the frequency so it only sends data every time it is interacted with, but the carshare computer still wakes up to receive mostly irrelevant transmissions intended for vehicles that could be at the complete opposite end of the country, and that again triggers a brief alarm.

The orders for the remaining i3's and the Minis have now been canceled as a result, and I am running around calling everywhere to get every remaining new Q90 Zoe in existence since they are tested and confirmed fully working with my setup, and are already built so shouldn't add much more delay for handover of vehicles that I am already 5 weeks behind on thanks to COVID-19. Once I deplete the stock of ZE40 Zoes, that's where the real headache begins for me!

It's a real shame, but now I have a bunch of useless i3's that are just getting in my way I don't think this is the end yet. I'll continue to think of possible solutions and if I manage to find something that works I'll post back here in case it helps someone else in future.
 

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I would imagine there's a coding option to disable that "feature", which no doubt BMW could find if they tried. I assume BimmerCode doesn't have one though as I imagine you'd already have tried it.
 
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