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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Smoke From Exhaust - Turbo Seals? Video Inside



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      04-30-2014, 09:26 PM   #23
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Found this video of my car leaving cars and coffee from a few months ago and noticed the smoke coming from the exhaust? Does this look like the turbo seals are on the out?
Curious did u ever figure this out was it in fact a leaky injector?

My car does the same thing, black smoke I know one of the injectors is bad cause under load it will misfire on the cylinder and swapped the injector the misfire followed. I forgot what the plugs looked like but remembering now there was a good amount of black soot on the injector tip...

This whole time I have been thinking it's my turbos seals.
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      04-30-2014, 09:30 PM   #24
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doesn't look like bad seals at all just unburnt fuel, this is my car with a bad seal
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      04-30-2014, 10:46 PM   #25
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doesn't look like bad seals at all just unburnt fuel, this is my car with a bad seal
Wow I have never see a 335 do that. Still curious if the leaky injector was the issue though. Looming more like it was.
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      05-01-2014, 07:10 AM   #26
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Curious did u ever figure this out was it in fact a leaky injector?

My car does the same thing, black smoke I know one of the injectors is bad cause under load it will misfire on the cylinder and swapped the injector the misfire followed. I forgot what the plugs looked like but remembering now there was a good amount of black soot on the injector tip...

This whole time I have been thinking it's my turbos seals.
I haven't looked into it. I have never had a misfire due to the suspected leaking injector so I just haven't gotten around to it. It should be time for plugs in the next few months so I will dive into it then.
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