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  1. Thread: O2 Codes

    by vasillalov
    Replies
    22
    Views
    668

    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.
  2. Thread: O2 Codes

    by vasillalov
    Replies
    22
    Views
    668

    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...
  3. Thread: O2 Codes

    by vasillalov
    Replies
    22
    Views
    668

    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...
  4. Replies
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    727

    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...
  5. Replies
    16
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    727

    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...
  6. Thread: O2 Codes

    by vasillalov
    Replies
    22
    Views
    668

    Its impossible to tell which injector is leaking...

    Its impossible to tell which injector is leaking unless it throws a code.
  7. Replies
    16
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    727

    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...
  8. Replies
    16
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    727

    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...
  9. Thread: O2 Codes

    by vasillalov
    Replies
    22
    Views
    668

    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...
  10. Thread: O2 Codes

    by vasillalov
    Replies
    22
    Views
    668

    R.G., Thanks for the info. The little misfires...

    R.G.,

    Thanks for the info. The little misfires are more like a stumble at idle. There are no misfire codes and the car runs perfect above 700 rpm.

    O2 sensor connections seems to be the likely...
  11. Thread: O2 Codes

    by vasillalov
    Replies
    22
    Views
    668

    O2 Codes

    Hey folks,


    I've recently started seeing O2 codes appearing out of nowhere. This is accompanied by somewhat rough idle and a few misfires here and there. There have been zero drivetrain changes...
  12. Hey Tony, Great work! Congratulations on...

    Hey Tony,

    Great work! Congratulations on getting those out and on the outstanding dyno results. Also, congrats on the shotgun HPFP upgrades. Those look impressive indeed.

    I've been out of the...
  13. Replies
    92
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    3,529

    Why am I not surprised...

    Why am I not surprised...
  14. Replies
    11
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    602

    Thanks a lot guys! This is very useful. I now...

    Thanks a lot guys! This is very useful. I now realize how little torque is actually needed for the injector hold-down bolts: only 9nm, or basically under 7 ft /lb. No wonder I've been snapping those...
  15. Replies
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    2,471

    Sorry, but its not extreme in one bit....

    Sorry, but its not extreme in one bit. Remembering the stunts that Shiv pulled on E90post will simply cause an unstoppable chain reaction in the Porsche crowd and he will find himself homeless doing...
  16. There are LSDs and there are LSDs. This "helical...

    There are LSDs and there are LSDs. This "helical gear" stuff that "senses torque" seems to be some sort of and LSD which resembles Quaife. Quaife is nothing special in my honest opinion because it...
  17. Replies
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    2,471

    See, I think Shiv is barking up the wrong tree...

    See, I think Shiv is barking up the wrong tree when it comes to the Porsche crowd. The minute they realize what's up, they will ruin him, his company and everything that he ever owned. Porsche people...
  18. Yep, I have 5 old (gen 1) injectors and 1 new...

    Yep,

    I have 5 old (gen 1) injectors and 1 new (gen 2) injectors in my car. Cyl #4 currently has the 261-11 injector which is the latest part number which "supposedly" cannot be mixed in the same...
  19. ^ I have no way of obtaining an ECU dump file....

    ^ I have no way of obtaining an ECU dump file. Otherwise I could help.
  20. I am curious to find out what they did with the...

    I am curious to find out what they did with the oil cooling and the oil pan. I hope they put a massive oil cooler and would really really love to see a dry oil sump, but I doubt it.

    I definitely...
  21. Replies
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    4,145

    I must have been thinking of a different motor....

    I must have been thinking of a different motor. Sorry guys. This was a complete brain fart on my behalf on the vanos angles. :(

    Flinchy, I wish I could positively rep you more than once for...
  22. Replies
    105
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    4,145

    There may be room left for increased lift, I have...

    There may be room left for increased lift, I have no doubts about that. But actual HP gain on a FI motor, I doubt it would be much. At least not for the stock turbo cars.



    Usable top end in our...
  23. Replies
    105
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    4,145

    Sticky, what are the stock cam specs? Duration...

    Sticky,

    what are the stock cam specs? Duration and lift, if you don't mind? I do not suppose they are that far for the current set. Also, most of these will require valve spring change and...
  24. Replies
    105
    Views
    4,145

    The only benefit of aftermarket camshafts for a...

    The only benefit of aftermarket camshafts for a motor with VANOS or VVT is to increase the valve lift. Everything else is just mute and complete waste of money. As a matter of fact, most E36s and E46...
  25. Replies
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    2,577

    Swapping APs won't change a thing. Software is...

    Swapping APs won't change a thing. Software is software. You have some sort of a mechanical/hardware issue that needs to be figured out. At this point, I am placing my bet on ECU going bad.
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