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    For Sale: Thank you sir!

    Thank you sir!
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    For Sale: I would love to, but for some reason I can't edit...

    I would love to, but for some reason I can't edit my original post. Not sure why though...

    In any case here are the images:...
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    For Sale: Schroth QuickFit Pro Harnesses for E90

    Hi folks,


    I have E90x Schroth QuickFit Pro harnesses for sale. Set of driver and passenger. DOT legal. Those are designed to work with the stock seats and they connect to the stock seat belt...
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    N54: Which Flywheel Do I Have

    Hi Folks,


    My clutch is slipping and I will be buying Spec Stage 3+ clutch and steel single mass flywheel.


    Knowing that there are two types of flywheels: 6-bolt and 8-bolt, I wanted to...
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    For Sale: Correct. My car had sport package. I think with...

    Correct. My car had sport package. I think with the E90, they called it ZSP instead of ZHP. Sorry for the confusion.
  6. N54: Leaky injector is my guess.

    Leaky injector is my guess.
  7. N54: I am noticing the exact same thing with mine....

    I am noticing the exact same thing with mine. Eventually it will throw a code (but only at idle) about "lambda adaptation exceeded" and/or "O2 muddled" code. I suspect leaky injector, but so far it...
  8. N54: During the cold season here in the Midwest, they...

    During the cold season here in the Midwest, they switch to winter blend type of fuel which has higher content of ethanol and different additives to improve dissipation of bad exhaust gasses better....
  9. For Sale: E90 335i N54 Stock Intercooler - Mint Condition

    I have stock N54 intercooler out of my E90 335i. The intercooler was removed back in 2009 when the car had only 3,500 miles. It has been sitting in dry storage ever since and it is just taking up...
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    For Sale: E90 335i ZHP Full Suspension

    Hey folks,

    I am selling my BMW ZHP suspension from my E90 335i with Sport Package. All suspension components have 35,000 miles on them. Yes, you read this correctly. I have a 2008 335i with little...
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    N54: This depends on state-to-state. In IL you can't...

    This depends on state-to-state. In IL you can't pass unless all the monitors are set. Ask me how I know...

    I am beginning to see more and more cases of 29f4 and 29f5 codes. I usually pass...
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    N54: I think I'll be happy with 21.5 psi for a...

    I think I'll be happy with 21.5 psi for a while...

    Thanks for the feedback guys. I really appreciate it.
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    N54: ...so why can't we just plop the N20 sensor,...

    ...so why can't we just plop the N20 sensor, crank up the boost and adjust the Cobb maps? Is this some sort of an internal MSD80/81 limit that forces us to do boost scaling?
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    N54: Thanks for the response guys. Yeah, "flying...

    Thanks for the response guys. Yeah, "flying blind" is not what I am aiming for. I want full ECU control without any piggybacks. Running upgraded turbos with stock TMAP sensor leaves a bit on the...
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    N54: What's the story on TMAP + COBB

    Hey guys,

    It's been a while since I've dug into this topic and with the N54 platform advancing so much in the recent months, I am completely overwhelmed with info.

    So there was a conversation a...
  16. N54: Impressive indeed! Congrats on the results. Like...

    Impressive indeed! Congrats on the results. Like others said, you have to be pushing more than just 19.5 psi of boost.

    Also, at those power levels, I have to start questioning the longevity of...
  17. Thread: O2 Codes

    by vasillalov
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    N54: You are pretty much describing EVERYTHING that I...

    You are pretty much describing EVERYTHING that I am seeing on my car right now. This mess started when I had to put the BMS dp fix back again in June to pass emissions.
  18. Thread: O2 Codes

    by vasillalov
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    N54: I have been running without DPs for the past 4...

    I have been running without DPs for the past 4 years. That's not the issue. I managed to narrow it down a bit. The car will only throw the code when it idles for a long time (over 2 min) and only...
  19. Thread: O2 Codes

    by vasillalov
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    N54: So the "muddled" code came back up. So did the...

    So the "muddled" code came back up. So did the other two codes as well. At this point I am suspecting damaged O2 sensors.

    Any other ideas about what could possibly be going on? The car barely has...
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    N54: Ooh I see what you meant now. Yeah both injectors...

    Ooh I see what you meant now. Yeah both injectors popped our immediately as the bolt snapped and the hold-down bracket let go.

    More to your point, it is very very common for BMW dealerships to...
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    N54: Good info. Yeah, I am aware of the injector seals...

    Good info. Yeah, I am aware of the injector seals needing replacement. I'll most likely put my brand new injectors in and deal with it later.

    And I agree, I most likely over torqued the bolt. I...
  22. Thread: O2 Codes

    by vasillalov
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    N54: Its impossible to tell which injector is leaking...

    Its impossible to tell which injector is leaking unless it throws a code.
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    N54: Because you can't buy -11 anymore. I had an...

    Because you can't buy -11 anymore. I had an injector bracket hold down bolt snap on me on the track. Injectors 3 and 4 popped out of the head. The PTFE seals on the injector tips have expanded and...
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    N54: Surprise Surprise! New Injectors!

    Hey folks,


    I am sure the vast majority of us are aware that BMW has revised the injectors for our cars a few times. Recently they released what is known as Gen 2 injectors which are supposed to...
  25. Thread: O2 Codes

    by vasillalov
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    N54: UPDATE: The logging did not reveal anything out...

    UPDATE:
    The logging did not reveal anything out of the ordinary. So I took my car to the track, aka "The Proving Ground" :) and after two solid sessions of 20 minutes each I was finally able to...
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