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BMW 3-Series (E90 E92) Forum
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Cobb for 2007 models.........can we get an ETA
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02-17-2011, 01:49 PM | #24 | |
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The pinouts are the same.... as are the voltage signals each is expecting to receive from multiple sensors... they're both utilizing the exact same sensors... are you familiar with the differences between SPI & CANbus? In a nutshell, CANbus allows multiple nodes/microcontrollers to communicate directly to one another (vs. a central timing source/master/host), and just throws in the added complexity of addressing. I would be willing to bet the tuning logic is the same, as in, when you look at the RPM vs load tables, the axes and limits are going to be the same default, or else modifying voltage inputs to a certain fixed amount would not have the same effect on each DME (it does, evidenced by the piggys). This is further supported by the fact that the MSD80 has also been configured to run CANbus protocol (i.e. 2008's). My bet is that it's merely a difference of communication protocol... if you can't "talk" to it, you can't reflash it. My bet is once they figure out how to interface with the DME, changing the same parameters will yield the same results. In other words, I highly doubt they have to start over from scratch per se, I would think that at most they have to change a few pin locations on the dongle (assuming BMW changed the proprietary portion of the OBD-II port) and change protocol settings. Last I checked, I believe there were only 5 different OBD-II signal/communications protocols in current existence (CAN being one of them), and I believe vehicles sold in the U.S. after 2008 are now required to run CANbus... but I digress. It would be nice if Cobb would chime in and shed some light Just my $.02
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02-17-2011, 09:31 PM | #30 |
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02-20-2011, 02:01 AM | #32 |
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I do like the idea of Cobb but it seems like a lot of wait and catchup! I'm an 07 stage 3 with meth and nitrous ready and its pretty obvious I'll be waiting a while. I am dying to try Cobb out plus have a great pro-tuner close by to custom tune but the wait is gonna kill me! Track opens in April and forget support for 07, stage 2 for current versions haven't hit the streets yet.
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02-20-2011, 06:56 AM | #34 |
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03-11-2011, 02:26 AM | #37 |
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I fall under both categories.
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03-11-2011, 03:01 AM | #40 |
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^^^^^
You had to that ha? But give him credit when its due. I was gonna post a pick of Tressel.
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03-11-2011, 10:58 AM | #41 |
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If cobb doesnt release it before the weather gets hot, theyre going to loose a lot of customers let me tell ya.
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03-11-2011, 11:31 AM | #42 | |
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03-11-2011, 12:20 PM | #43 |
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Stage 2 first please
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03-11-2011, 01:21 PM | #44 |
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i doubt it ...worth the wait (if you've already waited this long)
Last edited by vgtek; 03-11-2011 at 01:22 PM.. Reason: addition |
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