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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 > You'll never guess what happened?!



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      09-24-2016, 02:39 PM   #1
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You'll never guess what happened?!

Car started smoking after installing NGK colder plugs. Also had a couple coil packs installed. Then the car started smoking a little and now more.
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      09-24-2016, 02:41 PM   #2
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Possible Injector leak making u think the coils or plugs where bad due to misfire
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      09-24-2016, 02:55 PM   #3
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Quote:
Originally Posted by mojobmw_e90
Possible Injector leak making u think the coils or plugs where bad due to misfire
That's what Ken said. How do I know which one? Put index 12's in last year.
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      09-24-2016, 05:00 PM   #4
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Identify the bank first by logging when turning the car on and let it idle. In most cases the bank where trims are being pulled more negative will be it. Then you just have 3 injectors to sort through.
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      09-24-2016, 05:44 PM   #5
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This thread title sucks. The title implies something special or otherwise extraordinary happened, but it's just one of the most commonly asked questions inside.
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      09-24-2016, 06:40 PM   #6
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Quote:
Originally Posted by Yournamehere90
This thread title sucks. The title implies something special or otherwise extraordinary happened, but it's just one of the most commonly asked questions inside.
Thanks for you input and assistance ?
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      09-24-2016, 06:42 PM   #7
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      09-24-2016, 06:44 PM   #8
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Quote:
Originally Posted by BQTuning
Identify the bank first by logging when turning the car on and let it idle. In most cases the bank where trims are being pulled more negative will be it. Then you just have 3 injectors to sort through.
Thanks brotha these damn things are pricey. Mucho obrigado
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      09-25-2016, 10:08 AM   #9
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Smoking? Smoking what? Expecting answers with very vague question. Don't think will happen. Why don't you offer more info? Start with that.
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      09-25-2016, 01:47 PM   #10
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Quote:
Originally Posted by feuer
Smoking? Smoking what? Expecting answers with very vague question. Don't think will happen. Why don't you offer more info? Start with that.
Already got what I needed. The guys up top understood what I meant. Tailpipes brotha.
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      09-25-2016, 02:36 PM   #11
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Quote:
Originally Posted by Welterweight View Post
Already got what I needed. The guys up top understood what I meant. Tailpipes brotha.
Alright, tailpipes, but black, blue, white...on start, when cold, all the time, when accelerating, still vague but I'm glad you got your answer.
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      09-25-2016, 02:44 PM   #12
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People who don't do their own work and then come in the forums asking for advice make me lol.
Leave the diagnosis to your mechanic.
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      09-25-2016, 03:03 PM   #13
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Quote:
Originally Posted by Yournamehere90
People who don't do their own work and then come in the forums asking for advice make me lol.
Leave the diagnosis to your mechanic.
People that assume and speak online with a tone lacking respect make me laugh. Thanks buddy
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      09-25-2016, 03:44 PM   #14
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What is this, buzzfeed? Crazy click bait title
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      09-25-2016, 04:04 PM   #15
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Quote:
Originally Posted by JustDriveIt View Post
What is this, buzzfeed? Crazy click bait title
Yeah. Except there's only one page of bullshit to scroll past here.
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      09-27-2016, 08:15 PM   #16
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yep, it happens. fresh set of plugs/coils, initial startup releases a buncha white smoke out the tailpipes for a few seconds, the car adjusts and everything goes back to normal

seen it a few times
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