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All COBB Tuning AccessPORT Flash for N54 335i Discussion Here
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02-27-2012, 12:27 PM | #4027 |
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You may want to start a new thread and include additional logs if you are curious. IMO stage2 is very aggressive already and throwing in an uphill, 4th gear log it will be difficult to make it pretty looking. Everyone gets timing drops, can’t be avoided… but can be reduced. Both these guys have more efficient turbos, so their logs aren’t going to be as aggressive looking.
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02-27-2012, 12:28 PM | #4028 | |
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02-27-2012, 12:32 PM | #4029 | |
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02-27-2012, 12:48 PM | #4030 |
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Try some new gas. I did some 60-130 mph testing in Oct and ran these first two with shell 93 from one gas station. Then ran it again a couple weeks later with shell 93 from another gas station. As you can see, totally difference story.
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02-27-2012, 01:23 PM | #4031 | ||
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Thanks for all the help, everyone!~
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02-27-2012, 01:29 PM | #4032 |
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stage 2+ FMIC aggressie
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02-27-2012, 01:47 PM | #4033 |
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just switched to linear map. feels much better than stock throttle. better control.
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02-27-2012, 02:17 PM | #4034 |
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Have a 08' 335xi auto, with 33k, installed cobb and I am running stage 1 aggressive v301. Updated my Cobb via usb to latest version. I am experiencing hesitation or feels like milliseconds of loss of power under full throttle even when fully warmed up. Usually from 4k rpm up, when Cobb tune is removed, hesitation goes away. Would new spark plugs solve this? Have owned car since 28k and never been changed. Thanks for any input.
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02-27-2012, 02:20 PM | #4035 | |
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02-27-2012, 04:01 PM | #4036 | |
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Just ordered from there and got free shipping... $72 bux. |
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02-27-2012, 04:52 PM | #4037 | |
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If so wait in line for the fix soon.
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02-27-2012, 04:55 PM | #4038 |
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X2, ordered mine also for $72 shipped to MD. Going to see if it helps, $72 isn't going to hurt.
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02-27-2012, 04:58 PM | #4039 |
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I don't have surge or a pause, its like its misfirring. Just not smooth power past 4k rpm. But no codes.
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02-27-2012, 05:22 PM | #4040 |
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sounds like my mis-fires.
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02-27-2012, 10:59 PM | #4041 |
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I'm thinking of getting the Cobb for my car, but I really wanted to not mess with my warranty so I thought about the less powerful BMW PPK too.
For the Cobb, is it really easy to uninstall? Let's say if for most of the month I want to drive around stock, but perhaps only a weekend or so I want to put the tune back on, can I do that? I figure that less frequent driving like that would be better for the car. Is there any detriment to installing and removing the cobb tune a few times a month if you want to stay stock for most of the time? |
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02-27-2012, 11:30 PM | #4042 | |
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However, there's no real need. There are different levels of power you can run. If you want just a mild bump in power during the week you can run "drive" or "sport" for moderate gains or "agressive" for the most power. You can also run map 0 for stock power without uninstalling the tune. |
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02-28-2012, 12:46 AM | #4043 |
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Will Cobb increase hp/tq for stage 1 in the future? Im running stage 1 aggressive 93 oct but got use to the power quick. I am desperate to run stage 2 but i can't because i don't have and won't be able to install dp's due to fact that i don't want to lose the warranty. For those people out there like me that can't go with dp's because we don't want our warranty to get voided but would like to have more power and are left with wanting more, are they working on something or will this be as good as it gets?
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02-28-2012, 04:32 AM | #4045 | |
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S2+FMIC is a different story and only for FBO guys.
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02-28-2012, 10:10 AM | #4046 |
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Hopefully the new maps are released before the end of the week. Seems like a lot of us are having these misfires and hopefully the maps take care of it. If not, it may be time to take care of the carbon build up now that I'm at 45k miles.
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02-28-2012, 12:51 PM | #4047 |
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I dunno, those seem like pretty large timing corrections for just rising IATs. On stage 1 I've done pulls hitting 160F and it never dropped timing that many degrees. I'm assuming it happens at that point in 4th and not 3rd because engine load is higher (especially air resistance) at that point and peak power is there. Going uphill increases load further. Maybe you should call Cobb or PM Rob and ask what they think timing pulls could be caused by?
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02-28-2012, 03:04 PM | #4048 | |
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And since I'm already past 50k miles, he is recommending I get my intake valves cleaned because I probably have a lot of carbon build-up at this point... I'm going to look for a place to get it done... just a funny story, I called Bloomfield BMW last week about intake cleaning and the SA didn't know what I was talking about... he kept thinking I was talking about "Injection cleaning" and said that BMW recommends against it on our cars because of high pressure something something. Guess I'll have to call a different dealership lol...
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COBB ProTuned | AMS | CP-e | BMS | Quaife Last edited by skim7x; 02-28-2012 at 04:23 PM.. |
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