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  1. #1
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    3 out of 3 members liked this post. Yes Reputation No

    P30FE- Noobie needs help

    Hey guys i'm a noobie that needs your help!

    I have this persisting P30FE (Boost Pressure too High: WG clamped- 1) code. Marv85 has been nice enough to help me with some diagnostics.

    Car Specs and Mods
    07 E93 N54 6AT
    Cobb 401 Drive LT
    AFE Scoops
    K&N Drop In
    BMW PE
    AP Racing Brakes

    Here is the scenario

    I drop the car into 3rd gear and keep the foot on partial throttle to keep it at 2500 RPM for around 10-20 seconds. I then give it 3/4 throttle and the car starts spooling and at 100 Km/H, the car pops a check engine light and i have no boost at all.

    Background

    Had it sent to the dealer, where they replaced the HPFP and Injectors as well as updated the DME to I8A0S. Car ran fine for a 2-3 months and now its back.

    Possible Issues?
    Wastegate getting blocked by DP
    Wastegate needs adjustment
    Solenoids?
    defective actuator arm

    I'll try to get logs but the funny thing is that it only happens in that scenario. Where i have the car in third gear near spool and then give it the beans.

  2. #2
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    Hey man, Good to see you here... much better than e90crap...

    I'm out of ideas to be honest but I'm sure you'll get good help here. There is a lot of knowledgeable people here.

    Be patient though Click here to enlarge
    SOLD --'07 E90 335i, PTF COBB E50, HFS4, ER CP, ETS 7", AA DP, Vishnu Exhaust, DCI, ACT, Nitto Nt555

    '10 E92 335i M, 6MT COBB v3, ER IC, ER CP, VRSF DP, Fuel-it st2
    installing soon: Mfactory LSD, , powerflex subrframe bushings

  3. #3
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    You'll get hep.

    @dzenno@ProTUNING Freaks

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
    : http://www.boostaddict.com/showthrea...r-kit-for-sale

  4. #4
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    3 out of 3 members liked this post. Yes Reputation No
    Click here to enlarge Originally Posted by marv85 Click here to enlarge
    Hey man, Good to see you here... much better than e90crap...

    I'm out of ideas to be honest but I'm sure you'll get good help here. There is a lot of knowledgeable people here.

    Be patient though Click here to enlarge
    haha, yea i've been reading alot of the posts on the forums here and there seems to be alot more people knowledgable about the workings of the n54 . The code is driving me nuts, i'm supposed to be working but i keep ending up googling about this code. =S

  5. #5
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    Do you get the code with Cobb uninstalled?
    2011 335is DCT, JB4 + MHD BEF, stage 2 LPFP, e50 + 50/50 meth, FBO, MT ET Streets when needed


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    1 out of 1 members liked this post. Yes Reputation No
    Prior to the dealer visit yes. i haven't tried to return it to stock yet. I'm wondering if i jb4 with wg adjustments might solve my problem.

  7. #7
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    Prob not. Sounds like a hardware issue if it does it stock.
    2011 335is DCT, JB4 + MHD BEF, stage 2 LPFP, e50 + 50/50 meth, FBO, MT ET Streets when needed


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    1 out of 1 members liked this post. Yes Reputation No
    that fuxking sucks, weird thing is how it suddenly came back after a few months.
    Last edited by scflaw; 10-11-2012 at 11:54 PM.

  9. #9
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    If it happens stock its a hardware issue
    Click here to enlarge

  10. #10
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    btw how many miles does your car have?
    Did you try s2+ yet? 4.02
    SOLD --'07 E90 335i, PTF COBB E50, HFS4, ER CP, ETS 7", AA DP, Vishnu Exhaust, DCI, ACT, Nitto Nt555

    '10 E92 335i M, 6MT COBB v3, ER IC, ER CP, VRSF DP, Fuel-it st2
    installing soon: Mfactory LSD, , powerflex subrframe bushings

  11. #11
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    @vasillalov , didn't you grease your wastegate actuators at some point? I know you issue was tune related though...
    SOLD --'07 E90 335i, PTF COBB E50, HFS4, ER CP, ETS 7", AA DP, Vishnu Exhaust, DCI, ACT, Nitto Nt555

    '10 E92 335i M, 6MT COBB v3, ER IC, ER CP, VRSF DP, Fuel-it st2
    installing soon: Mfactory LSD, , powerflex subrframe bushings

  12. #12
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    1 out of 1 members liked this post. Yes Reputation No
    i read vasillalov's post on greasing the actuators too, thats something i might have to do.

    I'm going to try finding a lift and seeing if the wastegate is hitting or loose and then i'll see if i should either
    tighten or grease the wastegate.

    $#@!, i'm too broke to buy the new Vargas Stage 1 B turbo =(

  13. #13
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    stuck WG actuators.

    Take it back to the dealer if you can.




  14. #14
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    Does your car have wastegate rattle? If so try calling BMW NA, give them your VIN and ask if your turbos are covered under the extended warranty for wastegate rattle. If so, take it to BMW and complain of the wastegate rattling. They will either try to adjust the wastegates, or replace the turbos. I just got a new set on my car.
    2011 E90 M3 \ Melbourne Rot Metallic

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  15. #15
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    Click here to enlarge Originally Posted by lulz_m3 Click here to enlarge
    Does your car have wastegate rattle? If so try calling BMW NA, give them your VIN and ask if your turbos are covered under the extended warranty for wastegate rattle. If so, take it to BMW and complain of the wastegate rattling. They will either try to adjust the wastegates, or replace the turbos. I just got a new set on my car.
    Whats the #

    Im going to try that




  16. #16
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    Click here to enlarge Originally Posted by E90SoFlo Click here to enlarge
    Whats the #

    Im going to try that
    Customer Relations:
    1-800-831-1117
    2011 E90 M3 \ Melbourne Rot Metallic

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  17. #17
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    OP, did you try downloading the latest cobb firmware, and maps? This has solved the problem for some.

  18. #18
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    Greasing stuck actuators? Never heard of that. You mean the actual joint seizes on the turbine housing? At that point no grease will fix that, much less its an invitation for a fire. Replacement is the only option.

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    0 out of 1 members liked this post. Yes Reputation No
    Click here to enlarge Originally Posted by scflaw Click here to enlarge
    Possible Issues?
    Wastegate getting blocked by DP
    Wastegate needs adjustment
    Solenoids?
    defective actuator arm
    I doubt it's your wastegates. If that was the issue, you would throw a check engine light, under full boost, not just 30FE. I did some research on this on E90crap. Looks like that's what happened to Mr. 5

    On another note, it seems like even vendors get banned now on E90. Modbargains.com got banned, recently! Click here to enlarge

  20. #20
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    A PID algorithm is included as part of our engine management computer from the factory: http://en.wikipedia.org/wiki/PID_con...d_applications

    This is part of our boost control. If this portion of the software hasn't been carfully re-written, it's probably the culprit behind, your 30FE codes. The latest cobb firmware, and maps (4.02) reportedly fixed this issue? someone correct me if I'm wrong

  21. #21
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    Why did modbargains get banned lol?
    SOLD --'07 E90 335i, PTF COBB E50, HFS4, ER CP, ETS 7", AA DP, Vishnu Exhaust, DCI, ACT, Nitto Nt555

    '10 E92 335i M, 6MT COBB v3, ER IC, ER CP, VRSF DP, Fuel-it st2
    installing soon: Mfactory LSD, , powerflex subrframe bushings

  22. #22
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    Click here to enlarge Originally Posted by Turkeybaster115 Click here to enlarge
    A PID algorithm is included as part of our engine management computer from the factory: http://en.wikipedia.org/wiki/PID_con...d_applications

    This is part of our boost control. If this portion of the software hasn't been carfully re-written, it's probably the culprit behind, your 30FE codes. The latest cobb firmware, and maps (4.02) reportedly fixed this issue? someone correct me if I'm wrong
    He's having the issue on the stock map as well, its hardware.
    2011 E90 M3 \ Melbourne Rot Metallic

    Click here to enlarge

  23. #23
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    Click here to enlarge Originally Posted by marv85 Click here to enlarge
    Why did modbargains get banned lol?
    Modbargains got banned like 3-4 months ago. Something about commenting in another vendors threads.
    2011 E90 M3 \ Melbourne Rot Metallic

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  24. #24
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    Click here to enlarge Originally Posted by marv85 Click here to enlarge
    @vasillalov , didn't you grease your wastegate actuators at some point? I know you issue was tune related though...
    I was thinking of doing that, but so far, I've not attempted to do so. I have no waste gate rattle or wastegate issues (31K miles). Knock on wood. Mine was definitely tune related and was resolved by upgrading to 4.02 maps.
    From all the things I've lost,
    I miss my mind the most!
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  25. #25
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    ^Thanks for your input Vasil.
    SOLD --'07 E90 335i, PTF COBB E50, HFS4, ER CP, ETS 7", AA DP, Vishnu Exhaust, DCI, ACT, Nitto Nt555

    '10 E92 335i M, 6MT COBB v3, ER IC, ER CP, VRSF DP, Fuel-it st2
    installing soon: Mfactory LSD, , powerflex subrframe bushings

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