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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 > Low boost High ignition



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      01-11-2011, 12:49 AM   #45
Mikey_Bo0sts
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Quote:
Originally Posted by Penn999 View Post
how many miles are on your car and when were your plugs last replaced if ever? I had similar problems until I got them replaced. Are you AT?
AT 20k never been replaced
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      01-11-2011, 08:23 AM   #46
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Quote:
Originally Posted by Mikey_Bo0sts View Post
AT 20k never been replaced
Have you even thrown a misfire code? Could be plugs but judging by your miles it SHOULDNT be. Mine lasted roughly 40k. It sounds like plugs if its hiccuping. Try to contact Shiv and he will better troubleshoot with you. Im running out of ideas...
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      01-11-2011, 09:08 AM   #47
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He's misfired but unrelated to the hardware. Like I said, I autotuned as low as the op in this weather.
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      01-11-2011, 09:11 AM   #48
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Quote:
Originally Posted by Mikey_Bo0sts View Post
AT 20k never been replaced
with 20K i would change the plugs ASAP!
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      01-11-2011, 09:53 AM   #49
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Originally Posted by themyst View Post
He's misfired but unrelated to the hardware. Like I said, I autotuned as low as the op in this weather.
hey it's not about that alread, I get back fires in my exhaust if I floor it on 1st gear , and I'm having hick ups at shift
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      01-11-2011, 10:04 AM   #50
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Quote:
Originally Posted by Mikey_Bo0sts View Post
hey it's not about that alread, I get back fires in my exhaust if I floor it on 1st gear , and I'm having hick ups at shift
I would take mine and enrita's advice, check your plugs. I will be changing mine MUCH more often than BMW recommends. I would start there..
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      01-11-2011, 10:30 AM   #51
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Plugs changes are over rated. I swapped mine cause of all the reading on here. After 32k miles my plugs looked perfect....I'm not touching these till at least 60-70k
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      01-11-2011, 10:50 AM   #52
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Quote:
Originally Posted by Clap135 View Post
Plugs changes are over rated. I swapped mine cause of all the reading on here. After 32k miles my plugs looked perfect....I'm not touching these till at least 60-70k
What do you think the issue is ?
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      01-11-2011, 01:46 PM   #53
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anyone else can chime in ?
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      01-11-2011, 01:56 PM   #54
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Quote:
Originally Posted by Clap135 View Post
Plugs changes are over rated. I swapped mine cause of all the reading on here. After 32k miles my plugs looked perfect....I'm not touching these till at least 60-70k
Come on clap, you know damn well that they should be replaced at around 25-30k miles. Whether they are burnt up or not, I would suggest changing all of them around then, you spent a lot on the car. Its only stupid IMO to neglect proper maintenance. Clap is an exception, knows very well with whats going on his is car. Since you guys are close why do you meet up and figure it out(at least I thought you were both from Ny??).
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