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Breaking News: BMW addresses N54 Turbo Lag!!
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11-18-2008, 10:48 PM | #67 |
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I bought off the lot, I dont know my production date. I hear its on the door panel, but there is so much there I cant find it. I bought my car in Oct 2007.
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11-19-2008, 12:35 AM | #68 |
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I love the idea......but......I'm gonna wait and see if it plays nicely with JB, SS TT et al. I think that one fella saying they introduced the 29.2 so that we'd end up asking for an updated that catches piggybacks is a bit of a stretch. They'd just update it and there it is, no need to piss everyone off for a year or so.
Having said that, I'll wait and see if they have a new flavor of super snooper built right in. And then wait til we find another way around it Cos with a new version AND a Pback we are really gonna haul some serious a$$. |
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11-19-2008, 03:11 AM | #70 | |
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11-19-2008, 07:04 AM | #71 | |
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So, a real "solution" to me doesn't include a simple software update to "restore" responsiveness back to original specs -- that's a start, of course. However, if there's a real problem with the turbos, I want the HARDWARE fixed, too... and I think BMW owes this to owners of $45k - $50k cars, many with less than 20k miles on them! I'll be extremely pissed if the turbos fail out of warranty due to this problem....." People were complaining about wastegate rattle, and BMW 'fixed' it by leaving the wastegates open (stopped the rattle), but that introduced lag. So when BMW say's "more noise" we think what they mean is the return of wastegate rattle. |
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11-19-2008, 07:13 AM | #72 |
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I'm having my '09 335xi built right now, will I have the software with lag? Will they force me to update it in January and will I want the update?
Also, if I'm planning on getting a Juicebox 3 does it even matter? Sorry for the noobness |
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11-19-2008, 09:17 AM | #73 | |
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Some people may claim "yeah but, do u really want your max torque to be at that low an rpm?" What? Hell yeah I do, as long as it doesn't drop anywhere in the mid range. They should stop advertising this as "amazing low end torque". Low end to me is under 2300rpm. Well as we know the 300 lb-ft figure in and of itself is bogus as we know too. |
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11-19-2008, 09:31 AM | #74 | |
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11-19-2008, 09:33 AM | #75 |
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11-19-2008, 09:45 AM | #76 |
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Just confirmed it with BMW NA to make sure. The representative said she got a notice today regarding the issue. I asked her to mail me a copy of that statement as well as put a note on my account that I qualify for this software update. I don't want to hear any BS from the dealership when I bring it in for the update.
And now, the wait begins....
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11-19-2008, 09:48 AM | #77 |
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BMW's turbo lag statement has been posted on MotorAuthority as well...
http://www.motorauthority.com/bmw-ac...re-update.html |
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11-19-2008, 09:48 AM | #78 |
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11-19-2008, 10:05 AM | #79 |
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I don't understand this statement: it will be available for vehicles produced from September 2007 through March 2008 when they are brought to an authorized BMW center for a repair which requires a programming update. Clients with vehicles produced from June 2006 through September 2007 may request installation of the January 2009 software update.
So is it up to March 08 or September 07? Or is it June 06 to March 08? And why stop at March 08? Last edited by vgame64; 11-19-2008 at 10:25 AM.. |
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11-19-2008, 10:38 AM | #80 | |
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If you have a production date between 6/06-9/07 you automatically qualify for the software update. You bring your car in, ask for the update, no questions asked.
If you have a production date between 9/07-3/08 there has to be some other problem with your car (other than the lag issue) for you to get the update without the possibility of the dealer giving you a hard time and refusing service. I would recommend complaining about slow/frozen iDrive performance (if you have it), or other commonly known issues. I have no idea why production dates of 3/08-present are getting excluded, plenty of people with these dates are experiencing lag. I bet BMWNA will change their mind about this the sooner we get to January. Luckily I am a March 2007 build with a dreaded post-v29.2 update, so I will be one of the first people in line in January. Quote:
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11-19-2008, 11:32 AM | #81 | |
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11-19-2008, 11:55 AM | #82 | |
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Its cheaper for BMW to put a bandaid on the problem by adjusting the software that to actually fix the hardware. PLUS if there is a real turbo problem, many will operate without issue "during the warranty period". After that, BMW is no longer on the hook for the repair. In fact they will be making money on parts and labor. It all about the money. |
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11-19-2008, 12:20 PM | #83 | |
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11-19-2008, 12:37 PM | #84 |
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11-19-2008, 05:34 PM | #85 | |
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From all of the discussion, it looks like BMW changed the hardware in some way on 09/07, but the 09/07 - 03/08 cars must still be different somehow from the 04/08- present cars in some way. Otherwise, why would BMW say that only the cars built after 03/08 are unaffected? Simply stated, how are the 09/07 - 03/08 cars different from the ones that came before and after? I suspect these cars have better hardware but detuned software, and that 29.2 was just the version that was retroactively applied to pre-09/07 cars beginning sometime in April of 2008.
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11-19-2008, 05:45 PM | #86 | |
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However,in my car if you turn all traction control off, put it in first DS and choose first gear, and floor it, the boost does not really "hit" until around 3k rpms. Those with early build cars (before 09/07) without 29.2 claim that boost hits hard at around 15k rpms or less. Those with 29.2 describe boost hitting hard around 3k rpms. When you combine this with the fact that BMW has not put the 09/07 - 03/08 cars in the same category as the cars built after 03/08, you have to wonder whether our cars were detuned from the factory somehow.
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11-19-2008, 06:23 PM | #87 |
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I did notice a difference in performance between my 07 coupe (10/06 production) and the 08 vert (10/07 production). I always thought that it was because the vert was heavier - but it is possible that the e93 engine is detuned!!
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11-19-2008, 06:42 PM | #88 | |
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