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  1. #26
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    Click here to enlarge Originally Posted by LostMarine Click here to enlarge
    'bout time
    Can't wait sir - about half way through right now.

  2. #27
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    Click here to enlarge Originally Posted by BrenM3 Click here to enlarge
    Oil pressure problems can do with bearing issues. I explained the whole bearing fear mongering to the tech about the S65 so his comments were well watch the oil pressure. How many M3 owners have oil pressure gauges in there car? Can problem count on one hand. Oil pressure problems are very common on our Subaru builds.
    I think the oil pressure contributes to the bearing issues, any ideas on how to resolve this or up the pumps?

    Click here to enlarge Originally Posted by BrenM3 Click here to enlarge
    Doing some independent research on our "bearing problems" it seems most bad cars STILL won't see issues into the mid to upper 100k based on wear of disassembled motors at "50k" miles.
    Agreed but supercharging certainly exacerbates it.

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    I think the oil pressure contributes to the bearing issues, any ideas on how to resolve this or up the pumps?



    Agreed but supercharging certainly exacerbates it.
    BMW's since forever have had some sort of bearing issues: E39/E46 and even my s1000rr. Not BMW's strong point. I would assume some of it has to do with the 15,000 miles or more oil changes, similar to N54 cars being low or late on changes clogging up vanos solenoids with $#@!.

  4. #29
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    Click here to enlarge Originally Posted by BrenM3 Click here to enlarge
    BMW's since forever have had some sort of bearing issues: E39/E46 and even my s1000rr. Not BMW's strong point. I would assume some of it has to do with the 15,000 miles or more oil changes, similar to N54 cars being low or late on changes clogging up vanos solenoids with $#@!.
    So more frequent changes will help but what about the oil pressure?

  5. #30
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    So more frequent changes will help but what about the oil pressure?
    If you are seeing oil pressure issues it's usually TOO late but in some cases better late then never before you scatter the block.

    It can be in some cases due to low oil, old oil - viscosity deteriorating, oil too hot, etc, BUT in some cases existing bearing issues. We just had an STi sleeved with Cosworth components and it's oil pressure was about 20-30psi off from idle to redline, it was a machining / tolerance issue. Continuing to rev it to 9500 would have been bad JUJU.

  6. #31
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    2 out of 2 members liked this post. Reputation: Yes | No
    less typing, more boosted s65 work

  7. #32
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    1 out of 1 members liked this post. Reputation: Yes | No
    HOPEFULLY on the dyno tomorrow.

  8. #33
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    Click here to enlarge Originally Posted by BrenM3 Click here to enlarge
    HOPEFULLY on the dyno tomorrow.
    Click here to enlarge
    2002 E46 M3 6MT | Jet Black . Black Nappa | My GermanBoost Build Thread
    2009 E90 M3 DCT | Melbourne Red . Speed Cloth

  9. #34
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    All set to find a bad OEM fuel pump. On order. To be Continued.

  10. #35
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    Click here to enlarge Originally Posted by BrenM3 Click here to enlarge
    All set to find a bad OEM fuel pump. On order. To be Continued.
    I heard Vishnu has an upgrade you might be interested in, lulz.
    2011 E90 M3 \ Melbourne Rot Metallic

    Click here to enlarge

  11. #36
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    Click here to enlarge Originally Posted by BrenM3 Click here to enlarge
    All set to find a bad OEM fuel pump. On order. To be Continued.
    Awww man, what a buzz kill, haha.

    Bad fuel pump already?! How many miles are on your car?
    2002 E46 M3 6MT | Jet Black . Black Nappa | My GermanBoost Build Thread
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  12. #37
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    Click here to enlarge Originally Posted by flipm3 Click here to enlarge
    Awww man, what a buzz kill, haha.

    Bad fuel pump already?! How many miles are on your car?
    22k. I had this issue since day one from the dealership. Car never wanted to hit the correct lambda targets. Always required mucking with the fuel table. Unfortunately the issue is alot worse on boost.

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    Sorry to hear about the delay. At least you know what the problem WONT be next time you have an issue Click here to enlarge

  14. #39
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    not the first fuel related issue of heard of on a "similar" setups..

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    I'd like to hear more of this ^^ I seem to be one of the few.

    My issue stems from when the car was stock. At next to no mileage.

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    I would probably buy stock in 02 sensors, and have a few spares fuel systems on hand.. from what i heard anyway. ive only personally had the LP regulator go bad on mine, and that was prior to s/cing

  17. #42
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    You need more HP if $#@! isn't breaking Click here to enlarge
    COBB AP ProTune by Bren of ///Bren Tuning
    Akrapovic DP | Helix FMIC | Alpina TCM Flash | Walbro 450LPH Fuel Pump


    "The moment money becomes your motivation, you are immediately not as good as someone who is motivated by passion and internal will." -A. Senna

  18. #43
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    02s are brand new. Car seems to go through them alot. Even when stock.

    Did your LP regulator throw a code? Any info you have is appreciated. I didnt plan on spending this winter reengineering a fuel system. Click here to enlarge

    Wish we had the logging capability that Cobb has for the n54 i could trouble shoot this issue fairly quickly.

    Going to install the pump and test fuel pressure on the dyno.

  19. #44
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    Click here to enlarge Originally Posted by BrenM3 Click here to enlarge
    02s are brand new. Car seems to go through them alot. Even when stock.

    Did your LP regulator throw a code? Any info you have is appreciated. I didnt plan on spending this winter reengineering a fuel system. Click here to enlarge

    Wish we had the logging capability that Cobb has for the n54 i could trouble shoot this issue fairly quickly.

    Going to install the pump and test fuel pressure on the dyno.
    The great thing about me, is i post all my issue's Click here to enlarge

    http://www.bimmerboost.com/showthrea...related-issues

    i really cant help any more than that unless you need any logs of current configuration

  20. #45
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    Click here to enlarge Originally Posted by LostMarine Click here to enlarge
    The great thing about me, is i post all my issue's Click here to enlarge

    http://www.bimmerboost.com/showthrea...related-issues

    i really cant help any more than that unless you need any logs of current configuration
    Looks like my problem is a bit different as I'm getting no codes or faults, but I'll look into that as well. Thanks!

  21. #46
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    1 out of 1 members liked this post. Reputation: Yes | No
    Replaced pump and filter, nothing else. AFRs went from mid 14s to high 11s. We are in business. Back on the dyno when I get some free time!

  22. #47
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    Click here to enlarge Originally Posted by BrenM3 Click here to enlarge
    Replaced pump and filter, nothing else. AFRs went from mid 14s to high 11s. We are in business. Back on the dyno when I get some free time!
    which pump?

  23. #48
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    Factory fuel pump

  24. #49
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    Update!!!! Click here to enlarge
    2002 E46 M3 6MT | Jet Black . Black Nappa | My GermanBoost Build Thread
    2009 E90 M3 DCT | Melbourne Red . Speed Cloth

  25. #50
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    Shes loving the corn!

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