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Thread: Log advice

  1. #26
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    i have all the cables and stuff,but then my clutch went out so i did that first...then i thought mite as well do meth before also lol

    Click here to enlarge Originally Posted by triggz Click here to enlarge
    Bro step your backend flash game up Click here to enlarge

    Msg me, I can do it for you

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    Ya get on that....big difference with a flash

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    Triggz is right. It is a lot easy to dial in on your AFR and other table with the back end flash. The logs look good. I am just a little OCD about getting the trims down close to zero lol.

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    Click here to enlarge Originally Posted by babuski Click here to enlarge
    Triggz is right. It is a lot easy to dial in on your AFR and other table with the back end flash. The logs look good. I am just a little OCD about getting the trims down close to zero lol.
    When you and @triggz say trims your talking about fuel trims right?
    What are they suppose to be at and how are they measured?
    Sorry just trying to learn as much as possible
    What would you guys say about upping the additvie to 55?

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    I say with 94 cot and 100% meth you should be good with a 55 add. Do some logs and check for timing corrections.
    2011 335is DCT, moving to Italy, looking for new car friends Click here to enlarge

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    Guys I suddenly lost flow in my bms meth system.
    Its getting to the solenoid but seems blocked off there because it wont get to the nozzle.
    Anyone have any ideas?

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    turn on ignition, go to option 7/5, step on the gas and see if meth flow. If you can hear you pump running, Than it your solenoid. If it's your solenoid, check your wiring and set up in JB4.

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    Click here to enlarge Originally Posted by alexx03 Click here to enlarge
    When you and @triggz say trims your talking about fuel trims right?
    What are they suppose to be at and how are they measured?
    Sorry just trying to learn as much as possible
    What would you guys say about upping the additvie to 55?
    Trims is your car trying to add or minus fuel to keep everything on target. It is measure by your O2 sensor. The higher the trim the more your ecu have to adjust to get your engine the fuel it needs. If trim is negative it means your car is removing fuel because you are running too rich. That the basic concept of trims.

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    Click here to enlarge Originally Posted by babuski Click here to enlarge
    turn on ignition, go to option 7/5, step on the gas and see if meth flow. If you can hear you pump running, Than it your solenoid. If it's your solenoid, check your wiring and set up in JB4.
    the pump turns on and i can see meth trying to flow but it cant get past the solenoid.
    what settings should i have for the solenoid in the jb4?
    the wiring for the solenoid looks like a solenoid connection.

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    Click here to enlarge Originally Posted by babuski Click here to enlarge
    Trims is your car trying to add or minus fuel to keep everything on target. It is measure by your O2 sensor. The higher the trim the more your ecu have to adjust to get your engine the fuel it needs. If trim is negative it means your car is removing fuel because you are running too rich. That the basic concept of trims.
    amazing thanks for the explanation!

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    Did you accidentally change the meth flow in the jb4 interface?

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    Click here to enlarge Originally Posted by babuski Click here to enlarge
    Did you accidentally change the meth flow in the jb4 interface?
    Nope stille says 60

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    anyone know what the screw on top of the solenoid is for?

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    okay i got the meth flowing again,heres a log with meth additive up to 55.
    im deffinitley boosting more but the air/fuel still looks high and the trims you guys explained to me seems to be a high number also.
    this means its adding fuel correct?
    let me know what you think @triggz @babuski @bigdnno98 @xbox_fan

    http://datazap.me/u/alex335i/3rd-gea...data=1-4-14-18

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    more Addictive=more boost=more fuel. So it is normal for your trim comes up a little. There is no timing drop. Everything looks normal. I think the only way you can really correct trims is with the back end flash.

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    Click here to enlarge Originally Posted by babuski Click here to enlarge
    more Addictive=more boost=more fuel. So it is normal for your trim comes up a little. There is no timing drop. Everything looks normal. I think the only way you can really correct trims is with the back end flash.
    alright kool thanks a lot.
    what would a timing drop look like? just a random drop in the log graph and decrease in timing number?
    what do you think about trying a 60 additive?

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    Looks good to me as well.

    A timing drop is when your ign_adv drops while WOT...it's normal for it to drop once you shift but it should instantly come back up. I would do a 3-4-5 shift log just to be sure everything is running happy post shift. Once you get into 5th, end the log. You can do 60 additive for sure but I wouldn't daily like that. It's a little excessive to be doing 18psi+ everytime you go WOT. But then again, you can change it on your steering wheel. So if you want to run someone for example, it's a quick 2 second change.

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    Click here to enlarge Originally Posted by triggz Click here to enlarge
    Looks good to me as well.

    A timing drop is when your ign_adv drops while WOT...it's normal for it to drop once you shift but it should instantly come back up. I would do a 3-4-5 shift log just to be sure everything is running happy post shift. Once you get into 5th, end the log. You can do 60 additive for sure but I wouldn't daily like that. It's a little excessive to be doing 18psi+ everytime you go WOT. But then again, you can change it on your steering wheel. So if you want to run someone for example, it's a quick 2 second change.
    okay thanks for the explanation. i just did another log with 60 additive but i cant tell if what i have is a timing drop or normal. it seems to be an average of 10.5-10.8 (degrees of timing??)
    but through out the pull it goes to 13 and 12 and just kinda fluctuates.
    how many points so to say would it drop if it were a timing drop?
    also @triggz you say 60 additive is a lot to daily but you told me thats what you use,is there something about the flash that lets you keep the additive so high? from what i am seeing in this log i am not hitting 18psi boost anyways.
    heres the log,
    http://datazap.me/u/alex335i/3rd-gea...&data=1-4-9-11

    and THANKS a lot guys your really helping me out with this!!

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    Click here to enlarge Originally Posted by alexx03 Click here to enlarge
    okay thanks for the explanation. i just did another log with 60 additive but i cant tell if what i have is a timing drop or normal. it seems to be an average of 10.5-10.8 (degrees of timing??)
    but through out the pull it goes to 13 and 12 and just kinda fluctuates.
    how many points so to say would it drop if it were a timing drop?
    also @triggz you say 60 additive is a lot to daily but you told me thats what you use,is there something about the flash that lets you keep the additive so high? from what i am seeing in this log i am not hitting 18psi boost anyways.
    heres the log,
    http://datazap.me/u/alex335i/3rd-gea...&data=1-4-9-11

    and THANKS a lot guys your really helping me out with this!!
    Timing in that log look fine imo, there was a thread on here with a good example of a bad log

    http://www.datazap.me/u/hkninja/stee...log=0&data=1-4

    look at the timing curve, you'll see 3degree drops repeately in each gear, not clean. That car had a to agressive tune for the octane used.

    anyways, get the BMS back end flash pronto, it will help with your fuel trims.
    Click here to enlarge
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    1 out of 1 members liked this post. Yes Reputation No
    If you on stock turbo, you can try up to 70 add but it doesn't mean you going to get 18+ psi. Your turbo will try to hit target but it will over heat and won't be as efficient at hitting target boost. You'll see in the log that your boost will it target only for a few seconds then drop off very quickly. I tried up to 80add on stock. I found that 50-60 add is great for stock turbo.

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    okay thanks a lot @babuski and @xbox_fan if i could rep you guys id be here for days clicking!!
    so i think I'm going to leave it at a 60 additive just until i get the BMS race flash and then go from there.
    what do you guys think? @triggz chime in when you can bud

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    guys also another thing,
    whats with the dip in throttle?

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    It maybe throttle closer. Did you disable traction control? Usually that happens when traction control is on. I keep mine at 50 add but it is up to you. the more boost you ask out of your stock turbo the more work = more wear and tear. When you run e85+15degree custom back end flash, 50 add is plenty. Click here to enlarge

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    I had mine set to 60 before the backend flash but I barely go wot. Keep it at 50-55. Boost isn't everything. Timing plays a big roll. The only way to find out what your car likes is by getting on a dyno.

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    you might be right i actually do think i forgot to take off traction for that one.
    yea we dont have e85 here lol no fun for us

    Click here to enlarge Originally Posted by babuski Click here to enlarge
    It maybe throttle closer. Did you disable traction control? Usually that happens when traction control is on. I keep mine at 50 add but it is up to you. the more boost you ask out of your stock turbo the more work = more wear and tear. When you run e85+15degree custom back end flash, 50 add is plenty. Click here to enlarge

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