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BMW 3-Series (E90 E92) Forum
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Has anyone contacted BMW regarding 29.2 and lag?
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10-30-2008, 11:26 AM | #2620 | |
solid @ 153, no, 155mph!
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I don't think you're intentionally trolling, but to many people, that's really what it looks like you're doing. |
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10-30-2008, 11:27 AM | #2621 | |
solid @ 153, no, 155mph!
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Do they do the dyno test at WOT for all RPM? Or is it a gradual acceleration? |
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10-30-2008, 11:56 AM | #2622 | |
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-B |
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10-30-2008, 12:02 PM | #2623 |
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10-30-2008, 03:42 PM | #2624 | |
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I read in another thread about a possible recall for fuel pumps (may be untrue, don't know) and that poster said his car was not reprogrammed.
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10-30-2008, 05:03 PM | #2625 | |
Read the manual please, just do it before asking!
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It is a "steady state" dyno, my understanding is that it locks the RPM and then measure the maximum torque that the engine will provide even if it takes a certain time to provide the torque. I assume this means for example 1300 RPM locked and then they give full trottle and wait for the engine to give all it has at 1300 RPM. I guess this is why its called a "steady state" dyno. The head of Rototest told me that the industry is working on a standard way of measuring engine behavior like lag during acceleration etc. He also told me that he as a industry professional found our worries "very interesting" and it would be a very strong proof if a car that was tested differed from the "old" 335i they tested back in 2006. |
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10-30-2008, 10:15 PM | #2626 | |
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10-31-2008, 01:56 AM | #2627 | |
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10-31-2008, 06:27 AM | #2629 |
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I hope there will be more support for paying for the dyno. Given the quality of Rototest I'm very happy to invest.
There are so many people of this thread with concerns, if a few bucks are a problem then the problems can't be very serious.
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10-31-2008, 09:06 AM | #2630 | |
solid @ 153, no, 155mph!
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10-31-2008, 09:16 AM | #2631 | |
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any RPM below that? Are you saying that the turbos can produce full boost with the wastegates open? Hmmm...
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10-31-2008, 09:52 AM | #2632 | |
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10-31-2008, 11:42 AM | #2633 | |
solid @ 153, no, 155mph!
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If everyone on here really didn't get any turbo boost until 3k RPM, we'd be talking about lag times MUCH greater than 1.5-2 seconds. Go WOT on a 328i from 1400 RPM in 3rd or 4th gear, and tell me how long it takes to get to 3300. I'm betting it's a lot longer than 1.5-2 seconds. Probably 3-3.5s, and if we were talking about lag that long, then all the turbo techies here would have dropped their skepticism and semantic niggling long ago. |
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10-31-2008, 12:46 PM | #2634 | ||
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10-31-2008, 02:21 PM | #2635 | |
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Just ALLOW our friend residing in LITHUAINIA enjoy his remaining freedom of speech Mr. PUTIN is coming soon to unplug his internet and to confiscate his beast, and I see why many won't feel sorry! |
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10-31-2008, 02:39 PM | #2636 |
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Hi,
I have a July 08 135, and I am very pissed about how laggy it is. The power delivery is not so bad, but the throttle response is just absolutely horrible. I can floor the pedal in neutral for 1-2 seconds and the lag is so bad it doesn't come close to redline before I let off. Pedal delay is slightly under ~1sec and then there's a turbo spool delay for another ~2sec at low rpm. So the car doesn't haul ass until the dreaded ~3 seconds pass. So what I gather from reading is that flashing the latest software will at least slightly improve my problem. Yes I have driven one of the first production 335's and this car is nowhere near as responsive and torquey in the low end. |
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10-31-2008, 03:46 PM | #2637 | |
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Although there seems to be encouraging news from European posters, I'd feel better if BMW stepped up. -B |
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10-31-2008, 04:03 PM | #2638 | |
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Try a sprint booster.... http://www.sprintboostersales.com/ it will make the throttle alot more responsive... Won't help the lag though. |
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10-31-2008, 04:11 PM | #2639 |
Second Lieutenant
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11-01-2008, 03:23 AM | #2640 | |
Colonel
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off topic p.s try learn how to write |
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