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BMW M5 F90 (2018+) General Forums F90 M5 General Forum    Stalling issue on startup - 2019 M5 comp

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      01-05-2020, 10:26 AM   #45
Steeve19M5CP
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Guys on every startup we will need to video record the stalling and catch the occurrence....then someone post this in here......we can use this video to present the issue to the dealer?
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      03-06-2020, 09:54 PM   #46
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Been happening to me as well. i wanted to ignore it as it happens once a week .has anyone felt loss of power at all when driving the car in Sports plus? maybe it me now i feel the car is not pulling the way it should be . idk at a loss here
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      03-06-2020, 10:20 PM   #47
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mine sputters occasionally on start up but has never stalled.

i always chalked it up to the race gas, boostanes, snd e85's that run thru the system
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      03-07-2020, 08:29 AM   #48
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I recently encountered twice car almost stalling and sputtering but it always manages to get the revs back up and run smoothly after.

I then got a series of warnings/errors, etc.

I am contemplating to send the car in to the dealer again and get them to get it resolved.
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      03-07-2020, 02:10 PM   #49
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It happens to me maybe 1/10 starts. Usually in the afternoon when the car is "lukewarm" and has been sitting for 3-4 hours. I have been video recording each start I do like this. But I too am feeling some low end sluggishness. Again, maybe in my head, but I feel like the throttle response is not what it used to be
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      04-03-2020, 06:37 PM   #50
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Anybody got a video of this dying on startup problem they can post? Mine keeps dying on startup intermittently but always happens when I forget to cut on record on my phone. I am taking mine in Monday and hope it can be fixed, happening more often now. Must be a fuel pump issue.
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      04-04-2020, 04:59 PM   #51
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I brought my car to the dealer...they tested both fuel pumps due to this stalling issue and they found one faulty pump....one was replaced and issue hasn't returned yet..
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      04-04-2020, 05:00 PM   #52
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Quote:
Originally Posted by Steeve19M5CP View Post
I brought my car to the dealer...they tested both fuel pumps due to this stalling issue and they found one faulty pump....one was replaced and issue hasn't returned yet..
Was it the low or high pressure pump?
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      06-27-2021, 09:24 AM   #53
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Bringing this back from the dead. I was able to capture this happening on video and uploaded it to YouTube. I’ve got my car scheduled to go into the dealer next week. The lady time I mentioned this, they updated some software but this issue persists. Hoping to get more traction with this video.

https://youtube.com/shorts/Dtid5HSx4ic?feature=share
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      06-27-2021, 07:53 PM   #54
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This happened to me. After reading the forum, I suggest they replaced the Low fuel pump, they did and It hasn’t stalled since
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      08-24-2021, 08:27 AM   #55
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Sorry to bring an old thread back up but anyone who got lpfp changed has a part number for it. I can't find anything online. Thx
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      08-24-2021, 11:56 AM   #56
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Here is a screenshot of my work order for the lpfp
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      08-25-2021, 01:25 PM   #57
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Quote:
Originally Posted by calpharo View Post
Here is a screenshot of my work order for the lpfp
Thanks man that exactly what I ordered around $525 plus shipping. Thx
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      08-25-2021, 01:44 PM   #58
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I get this time to time, wondering how much it effects performance and or if we'd get a code/error if it was running lean. Don't blame you GTATX for doing it yourself for the 50 bucks. Would be nice to see you log it to see a difference between the old and new pump when you do it.
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      08-25-2021, 02:12 PM   #59
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Quote:
Originally Posted by brad65ford View Post
I get this time to time, wondering how much it effects performance and or if we'd get a code/error if it was running lean. Don't blame you GTATX for doing it yourself for the 50 bucks. Would be nice to see you log it to see a difference between the old and new pump when you do it.
I'll update it bud. Reason I'm changing it is cause my fuel level sensor went bad and luckily it's part of the lpfp assembly. They don't sell it separate. When my tank is full car shows 78% gas so that is the main reason I need to swap it. Stalling isn't that bad. Car is in warranty but I don't want bmw plugging it in and flagging it for something this small.
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      09-19-2022, 10:35 AM   #60
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What was the rate of ethanol free gas you ran after replacing the fuel pump? 90 rate ? And did you have any issues with this fuel while running 3 tanks after replacement?

Quote:
Originally Posted by swisstype View Post
I had this issue. They replaced 2 High
pressure fuel pumps and that still didn't fix it, so they replaced a low pressure fuel pump. I was told to run 2-3 tanks of gas with NO ethanol and then back to normal. hasn't happened to me since.
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      09-19-2022, 10:58 AM   #61
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Quote:
Originally Posted by Steeve19M5CP View Post
Recently I am getting a new issue when starting up the car.....I press the startup button and the car starts but immediately stalls and engine cuts off.....I press the start button again and then all is fine........anyone have this or any ideas?
How many miles on your car?
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