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BMW 3-Series (E90 E92) Forum
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Porsche/Audi Chips vs. BMW
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06-17-2009, 03:13 PM | #67 | |
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06-17-2009, 03:15 PM | #68 | |
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Jim C has FORGOTTEN more about tuning a BMW than anyone I've read/encountered/etc. knows. LOL. |
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06-17-2009, 03:20 PM | #70 | |
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It would be nice, however, to have SharkEdit out there already. That's not a backhanded compliment; I just think we're all ready for it by now. Get our hopes up and leave us in suspense for so long that everyone kinda forgets about it and gets over it.... Hopefully we'll see it soon! |
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06-17-2009, 03:23 PM | #72 |
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All I'm saying is bitching back and forth isn't going to get anyone further, and will probably just get this thread closed.
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06-17-2009, 03:33 PM | #73 |
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Yeah but he could also let people know an update or status or anything for that matter... If people are bitching it is only because he failed in releasing the product and the lack of info... IMO
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06-17-2009, 03:41 PM | #74 |
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06-17-2009, 03:42 PM | #75 | ||
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" until someone can produce the system requirements of the vehicle without referencing hearsay" Did you see any prior response in the thread that was anything other than hearsay? No. Not one bit of data or technical details. Just because, is not a reason. At least someone has now provided an SIB as a reference to support the initial claims. Did I recommend that someone grab a PSU off the shelf, plug it in and have at it? No, nor would I have/have not "until someone can produce the system requirements of the vehicle". What does this comment on 3.3v have to do with a CAN bus operation? Ill assume you are referencing the physical layer on the differential bus. Did I say you only need 3.3V for CAN bus? No, although there are plenty of transceivers that do use 3.3v for the TTL side. Could you use a simple 12Vdc (or less) supply for CAN bus communications? Yep. Does BMW's implementation of CAN bus + flash operation require 12.0Vdc? Maybe, but I never claimed otherwise and wouldnt "until someone can produce the system requirements of the vehicle". 1996? Funny I distinctly recall working with flash long before that. "Intel 28F200BX-B, or a Bosch CC460?" Intel migrated away from 12V on that product line. Bosch CC460...How is that relevant to a E9x discussion? Quote:
How many units? Zero. Null. Nada. Did I claim otherwise? No.
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06-17-2009, 03:44 PM | #76 |
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06-17-2009, 03:46 PM | #77 |
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06-17-2009, 04:15 PM | #78 | |
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I did produce the SYSTEM REQUIREMENTS OF THE VEHICLE.
Which, BTW - are the same as the SYSTEM REQUIREMENTS of ANY NEW GEN BMW. New Gen: E60 E65 E9x etc. - anything produced after the E65. If you took the time to actually MEASURE the current draw of your NEW GEN BMW you'd see something quite surprizing. It's not a few amps like a M/T E36. All of those nifty technological gadgets we so love each come with their own control module (or ten!) and the current draw is amazing. That's why the two BC/PS units BMW "approves" are both capable of at least 40amps (with surge to 50a) at "at least" 14v in P/S mode. There are other alternatives that have the same or better spec for 1/5th the price (or so) - they are not BMW "approved" and they are NOT Personal Computer power supplies - which by design supply 12.0v They are also not as cool looking and don't have nice LCD displays Just an FYI - since many N54 owners are new to BMW - and really might not know my history w/ the marque: Having been the FIRST PERSON outside of BMW itself to ever program a flash memory BMW ECU, I might sorta know the requirements for them. (Yeah, MS41.2 - back in 1996!) I get those requirements from FOUR sources - one of which (#1) is actually available to you - should you have cared to actually read them. 1) Publicly-available documents from BMW (like the SI Bulletins) 2) Confidential documents from BMW 3) Confidential documents from the ECU OEM/ODM 4) Actual EXPERIENCE. - you know putting an ECU on the bench w/ a variable supply and seeing what happens as you drop the voltage. In the case of the N54 and similar NEW-GEN vehicles - also including a GATEWAY MODULE or JBE inline. The first is generally enough, but I've always gone the extra mile. Basically because a lot of BMW's documentation is atrocious and sometimes it is self-conflicting - like in places where it TALKS about 13.8v in one SIB but then shows 12.7v in another. (attached herewith) 13.8v is "correct" - but any indicated voltage from 13.5 to 14.2v suffices. These requirements aren't specific to N54 engines. Read the highlighted parts in the attached update of a bulletin originally released in 2002. Updated as recently as June 2009. Note how many times the wording: Quote:
Do you think they mean it? Do you think you might need a power supply capable of 13.8v to program? Or do you just think that you just know better than the people who engineered the vehicle? |
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06-17-2009, 04:16 PM | #79 |
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06-17-2009, 04:35 PM | #82 | |
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06-17-2009, 04:39 PM | #83 |
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What cracks me up is how people put their feet in their mouth without having any facts and when someone presents facts and figures they reduce the conversation to who's d**k bigger instead of just backing down.
Bitching about Shark Edit won't help either. It'll be done when it's done. |
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06-17-2009, 04:47 PM | #84 | |
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Why do you continue to make "counter" claims against non-existent prior claims? Not one of the points you have made address a single statement of mine. In case you have an issue understanding how this works... this is what I said in post #59: "until someone can produce the system requirements of the vehicle" I then referenced that in post #75, to defend the point that I had not seen any evidence to the contrary up to post #59. See post #59 is before post #62. Is it clear now?
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06-17-2009, 04:50 PM | #85 | |
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06-17-2009, 05:03 PM | #86 |
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06-17-2009, 05:04 PM | #87 | |
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I'd say we leave the back and forth cheap shots out of this thread, though. Debate is healthy and constructive but that kind of banter never helps.
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