04-03-2023, 04:53 PM | #45 |
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Did you also have a fidgety idle along with this issue? The RPM needle moving around lightly, regardless of state of the engine full warm etc?
I have so far had twice the long crank when hot, and once slight stumble on cold start, that's over 1500 miles and 3 weeks time. So I may have this issue but also maybe it's something else. My battery is at 12.88V rest voltage which for LIIon battery means its almost dead so thinking that could be the reason. The car was not charged in showroom and delivered with low battery warning... |
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04-04-2023, 11:11 AM | #46 |
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Did your issue ever get resolved, and what was done and how it was diagnosed?
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04-04-2023, 11:17 AM | #47 | |
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Cylinder can vary, but this is most likely your issue.
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Last edited by Vinnrox250; 04-10-2023 at 09:46 PM.. |
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04-04-2023, 11:31 AM | #48 | |
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Maybe it's just going to get worse, the car is brand new. How many miles you had on yours? Also, did you have an unstable idle and did this fix it? Got an appointment in two weeks to investigate it all. Still faint hope that my issue is more because of a weak battery (12.8V rest voltage is almost dead for a Lithium)... |
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04-04-2023, 11:35 AM | #49 | |
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I doubt it’s battery. A few have had this issue and this seems to be the resolution. Good luck! Didn’t cause any damage or anything. Just annoying inconvenience. But has been solid ever since!
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04-04-2023, 12:02 PM | #50 | |
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I still hate the thought that this crap is happening to us, whereas you're buying a brand new premium product and then immediately have to have its guts ripped apart.. |
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04-05-2023, 10:03 AM | #51 |
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Picked up my G80 recently. 400 miles or so on it now, and I’ve experienced the long start up 2-3 times now. Notice a strong fuel smell when it happens. Also noticed it occurring after the vehicle is at temp, parked, and started again within an hour.
Have we figured out this is caused by faulty fuel injector/spark plugs? |
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04-05-2023, 11:48 AM | #52 | |
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04-05-2023, 11:57 AM | #53 |
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04-05-2023, 03:43 PM | #54 | |
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And can you please check your resting battery voltage (engine off)? |
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04-05-2023, 04:13 PM | #55 | |
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One other thing I’ve notice is sometimes (rarely) an engine stutter when I put the vehicle in neutral. For example, I’m in 3rd, come up to a stop, go into neutral as I’m slowing down, and the vehicle rpm seems to drop just a hair too much making me think the engine is going to stall. |
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04-05-2023, 04:51 PM | #57 | |
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So I understand yours is manual, and yes that stutter may be part of the issue. I really don't know how urgent this is, I am scheduled for 17th and they reserved three days to investigate this thoroughly. In the meantime, just trying to enjoy the car, don't think it's a problem to wait until 1 May for you as well. On a general note, if just in a matter of a couple of days, we have at least 4-5 cases exactly same symptoms just here on this board, isn't it damn alarming ? I bet there's like dozens of g8x owners who also have these symptoms but simply don't care or aren't tech savvy enough to note this is a strange thing. |
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04-08-2023, 05:42 AM | #58 | |
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It's the most surreal feeling to experience this with a brand new premium car. Absolutely outrageous. I wrote the service at the dealership to order spark plugs and injectors already, in anticipation of my appointment. Hoping he does that so the car is quickly in and out. This has got to be the same issue as all of you are having..I mean, what else.. |
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04-08-2023, 03:36 PM | #59 | |
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04-08-2023, 03:51 PM | #60 | |
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04-08-2023, 04:44 PM | #61 |
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They had to order. Was a like 2-3 weeks and was suppose to be more cause the injectors were back ordered from Germany. Luckily they got them in around 3 week mark.
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04-08-2023, 05:17 PM | #62 | |
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The car is perfectly driveable and I just spent 3 amazing days at Nürburgring throwing it around the track, it performs amazingly. I will not tolerate my sitting there longer than a few days, doing nothing but waiting for totally generic parts which won't hurt them to have in stock anyway for many reasons. If I were you I would reschedule and have them order the parts in the meanwhile. |
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04-08-2023, 07:32 PM | #63 | |
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What parts should I ask for them to order? Fuel injector and spark plug? Should they just replace one or all six? Should it be fairly easy for them to diagnose? |
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04-09-2023, 06:06 AM | #64 | |
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Make a huge fuss about it, copy the sales and say that you basically bought a product that's defective from factory and you spent your valuable time providing them the diagnose, so this needs to be fixed yesterday. I have my service advisor's e-mail and direct phone line, and he's updating me every other day, and also asking me to provide all the information I gathered so far from this board. No doubt they should prefer to order a few spark plugs and injectors and keep them just in case - even if they don't need them - this is certainly less overhead than having the car take up space in the workshop and providing you with a replacement car for weeks. |
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04-09-2023, 07:33 AM | #65 | |
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Listen to this, they won’t offer my a loaner vehicle. Haha. |
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04-09-2023, 02:48 PM | #66 |
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You definitely need to go to another dealer. This doesn't sound like a place you would want to work on an M car.
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