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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Logs: FBO 335i with Cobb Stage 1 91 octane.



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      03-08-2011, 11:58 AM   #1
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Logs: FBO 335i with Cobb Stage 1 91 octane.

Thanks Alan!

My computer is down, had to crop and upload with my iPhone..Hassle..









I'm seeing around 12.5-13 PSI, and A/F around 11.8-12.2
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      03-08-2011, 12:12 PM   #2
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looks like timing dips in each log

when is the ETA for a map designed for FBO cars?
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      03-08-2011, 12:14 PM   #3
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I think the stock Cobb stage 1 is just a touch too aggressive on ignition to avoid any timing drop outs.
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      03-08-2011, 12:14 PM   #4
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Quote:
Originally Posted by Sniz View Post
looks like timing dips in each log

when is the ETA for a map designed for FBO cars?
Last I heard from Robb was late March.
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      03-08-2011, 12:16 PM   #5
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Quote:
Originally Posted by JPSlick View Post
I think the stock Cobb stage 1 is just a touch too aggressive on ignition to avoid any timing drop outs.
same results running 93 octane?
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      03-08-2011, 12:17 PM   #6
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In both cases the timing dropped after ramping up to 7.5. One dropped to 4.5 and the other run to 3.75
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      03-08-2011, 12:19 PM   #7
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Quote:
Originally Posted by Sniz View Post
same results running 93 octane?
But there is a 93 octane map too, with ignition probably a tad too aggressive as well
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      03-08-2011, 12:52 PM   #8
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Quote:
Originally Posted by JPSlick View Post
I think the stock Cobb stage 1 is just a touch too aggressive on ignition to avoid any timing drop outs.
Arizona, California and Nevada receive some of the lowest-quality fuels in the country. Also, please keep in mind that these cars apply timing corrections on a per-cylinder basis -- the ignition timing monitor is only representative of Cylinder #1, so seeing corrections on that particular cylinder does not necessarily indicate a large multi-cylinder event is occuring.

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      03-08-2011, 12:59 PM   #9
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What does FBO stand for?
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      03-08-2011, 01:02 PM   #10
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Quote:
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What does FBO stand for?
I believe "full bolt ons". My wife needs a set of those!
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      03-08-2011, 01:02 PM   #11
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Quote:
Originally Posted by blisstik View Post
What does FBO stand for?
Full bolt ons.
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      03-08-2011, 01:03 PM   #12
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Quote:
Originally Posted by blisstik View Post
What does FBO stand for?
Full Bolt Ons. We should switch to BPU and BPU+! Lol
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      03-08-2011, 01:06 PM   #13
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Thanks. Is there any way to accurately monitor ignition timing of the other cylinders? If not, a way to estimate its values?
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      03-08-2011, 01:23 PM   #14
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what were the temps and gear? cropped on an ipone... that takes patients.
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      03-08-2011, 01:29 PM   #15
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Quote:
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what were the temps and gear? cropped on an ipone... that takes patients.
Around 70 I think, And it was either 3rd or 4th. Most likely 3rd
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      03-08-2011, 01:32 PM   #16
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What is the highest number under the maf column that you are seeing. It should be in the high 900s low 1000 range.
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      03-08-2011, 01:40 PM   #17
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Quote:
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What is the highest number under the maf column that you are seeing. It should be in the high 900s low 1000 range.
Can't open my CSV file on my iPhone, and my computer is down.

Want me to email u the file?
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      03-08-2011, 01:44 PM   #18
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I believe "full bolt ons". My wife needs a set of those!
mine has them - best $6000 i've ever spent.
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      03-08-2011, 05:53 PM   #19
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now that just TMI ---

next thing we'll hear is youre running a 3' catless downpipe ???
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      03-08-2011, 07:22 PM   #20
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At rysandro's request.
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      03-08-2011, 07:23 PM   #21
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Thanks Boom!
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      03-08-2011, 07:34 PM   #22
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Boom, you were seeing over 15 PSI sustained in your logs?
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