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BMW 3-Series (E90 E92) Forum
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Can someone take a look at these logs?
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05-10-2012, 05:04 AM | #23 |
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I believe I used the COBB default setting for logs. And I believe it was timing correction that I logged. SHould I try another log with timing on all cylinders? But as far as what you see, does it seem to be ok? Or not enough info provided to make a decent accessment?
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05-10-2012, 01:30 PM | #24 |
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Updated with accel. pedal position and timing results.
Confirmed, you let off the pedal, which is what closed the throttle partially. Also confirmed no timing pulls on 1 2 or 5 on this chart. I charted 3 4 and 6 as well (pic not provided) and they didn't have any timing pulls either. |
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05-10-2012, 03:24 PM | #25 | |
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Quote:
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05-10-2012, 03:33 PM | #26 |
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That run certainly looks pretty decent. I'd still recommend doing a 3rd->4th gear logged run just to be sure (even if you can't take 4th all the way to redline).
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05-10-2012, 05:25 PM | #27 |
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So I should do a log of third gear switching into fourth gear? What would that show that just a third gear run wouldnt show?
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05-10-2012, 05:45 PM | #28 |
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Correct. I'm afraid I don't know the answer to your question, it's just what I've read. My guess is that a single gear (especially a lower one) doesn't put a high load on the engine for very long. getting 2 upper gears worth probably presents more opportunity for a timing correction or some other issue. I'm sure some useful information can be gathered from the gear change itself as well
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05-10-2012, 06:29 PM | #29 | |
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05-10-2012, 06:58 PM | #30 |
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Not a problem. Do 2nd->3rd if you can't do 3rd->4th safely.
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