340i Rough Coldstart

Sickb58 · 09-17-2024, 11:27 AM

My Car everytime i start it up i have a very wierd rough start but if i turned it off immediately than start it up again, it starts up normal i changed the spark plugs and made sure it’s not the dorsh and still same problem

LA430 · 09-17-2024, 11:45 AM

Tuned? Untuned? Any codes?
I had issues with mine doing the same and had a shadow code for the exhaust vamps solenoid. Replaced it and haven’t had any further issues.

Sickb58 · 09-17-2024, 01:42 PM

Quote:

Originally Posted by LA430

Tuned? Untuned? Any codes?
I had issues with mine doing the same and had a shadow code for the exhaust vamps solenoid. Replaced it and haven’t had any further issues.

Stage 2+ bm3 and afe exhaust and i get like black smoke of unburned gas

09-17-2024, 11:27 AM	#1
Sickb58 Registered 9 Rep 2 Posts Drives: Bmw 340i F30 Join Date: Sep 2024 Location: Cairo iTrader: (0) Garage List 2017 F30 340i [9.00]	340i Rough Coldstart My Car everytime i start it up i have a very wierd rough start but if i turned it off immediately than start it up again, it starts up normal i changed the spark plugs and made sure it’s not the dorsh and still same problem
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09-17-2024, 11:45 AM	#2
LA430 Private First Class 105 Rep 182 Posts Drives: 430i Join Date: Jun 2023 Location: SoCal iTrader: (0)	Tuned? Untuned? Any codes? I had issues with mine doing the same and had a shadow code for the exhaust vamps solenoid. Replaced it and haven’t had any further issues.
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