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      08-24-2022, 01:54 PM   #1
tants
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Drivetrain Malfunction

Hello,

This is my first post as is my first problem that I had with my 2015 F82 M4.
Below you can see the picture of the codes my car is throwing.
Yesterday I went to "Mexico" and was doing a 40 roll I shifted second to third and third to fourth when I hit fourth my car went on limp mode (but never turned off) giving me the infamous drivetrain malfunction.
I towed it home and today (the next day) I turned on the car to see how it was and it has white smoke coming out of the exhaust which I believe is coolant being burned also is heavily misfiring and the smell of gas is crazy (seems to be leaking gas). I have no oil leaks or coolant leaks.
Also my car has a few mods which includes: Charge pipes, J pipe, Catless Downpipes, Front mount intakes and is flashed with stage 2 MHD.
Please let me know what could it be or if you guys had encounter something similar to my problem any input is appreciated.

Apologies in advance if I posted something in the wrong thread will learn how to better use this.

Thank you

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      08-24-2022, 03:29 PM   #2
TopJimmy
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Possible injector failure in #3. If the ass smells like gas that's the problem. Wet tailpipes with fuel is another symptom.

Do not start the car! You may be filling a cylinder with fuel. That's why the car is cutting spark. Pull your plugs, smell for gas, put a fish tank tube down there and blow to listen for bubbles.

Let me know…
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      08-24-2022, 03:49 PM   #3
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+1 for TopJimmy Solutions, Inc
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      08-24-2022, 07:41 PM   #4
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You're lucky you can get to Cyls 1-4 without removing the aluminum shock tower brace. Only the carbon brace, one air box, CPs & inlet, and engine covers need removal.
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      08-25-2022, 09:25 AM   #5
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Quote:
Originally Posted by TopJimmy View Post
You're lucky you can get to Cyls 1-4 without removing the aluminum shock tower brace. Only the carbon brace, one air box, CPs & inlet, and engine covers need removal.
Ill be working on the car this weekend will post any updates as i go. Appreciate the help bro
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