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BMW 3-Series (E90 E92) Forum
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N55 Wastegate DC% logs
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07-11-2010, 02:26 PM | #23 |
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07-11-2010, 02:28 PM | #24 | |
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07-11-2010, 02:31 PM | #25 |
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07-11-2010, 02:41 PM | #26 |
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07-11-2010, 03:15 PM | #27 | |
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07-11-2010, 05:35 PM | #28 |
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Outstanding progress Shiv. N55 owners are going to be happy soon.
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07-11-2010, 06:42 PM | #29 |
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This is good news... Now if we could only get someone to transplant a larger Twin Scroll, and have it tuned by the V4, we would have some serious power... Maybe not N54 levels of power, but something nice...
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07-11-2010, 09:00 PM | #30 |
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I volunteer my engine for this...
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07-11-2010, 09:50 PM | #31 | |
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Need to find out which one they used exactly, then we can cross select a more powerful twin scroll... As long as it fits in the space constraints that are present with the current turbo. ^^ There goes your new warranty (not that anyone who tunes/mods cares about warranty) Once the above has been done, and a suitable turbo is selected, it's a matter of installation of said turbo, and also having Shiv Create a custom tune that will support said turbo. BUT that may take a while, as Shiv is just creating a tune that supports the stock system, but it'll be a step in the right direction.
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07-11-2010, 09:59 PM | #32 | |
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07-11-2010, 10:21 PM | #33 |
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i've read in some bmw technical documentation that their is a throttle blade included in all valvetronic engines. it is used for idle and various other operating conditions when valvetronic is not capable of sufficiently controlling air flow.
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07-11-2010, 10:24 PM | #34 |
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That would make good sense. Pretty darn cool.
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07-11-2010, 11:41 PM | #35 |
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Looks like it's a custom borgwarner turbo made for BMW - http://www.turbos.bwauto.com/press/n...=272&year=2010. Shiv, can you comment?
Last edited by mra; 07-12-2010 at 02:39 AM.. |
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07-12-2010, 07:25 AM | #36 | |
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07-12-2010, 07:34 AM | #37 | |
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