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04-24-2008, 04:43 PM | #1 |
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Warning to those post 03/08 build 135i owners wanting to tune
There is reasonably accurate information that BMW AG has changed the ECU/ECM on 135i cars starting in March, 2008. This new Siemens ECM v81 (v80 prior to March, 2008) incorporates new hardware/firmware and reportedly can detect all ECU re-flashes and most piggyback tunes.
In conjunction with this factory change in ECU hardware and software, there is also good information that BMW is preparing to take a less understanding position regarding warranty work that might arise from any tunes/mods. Those of you planning to mod you car may want to bide your time until the diffences in the v81 are more clearly understood and/or until BMW makes its intentions better known.
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04-24-2008, 04:46 PM | #3 |
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Well this sucks But really, it was only a matter of time before this happened anyways.
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04-24-2008, 04:49 PM | #4 | |
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This can still be classified as informed speculation, but I am certainly taking it as a word to the wise.
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04-24-2008, 04:52 PM | #5 |
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will this effect pre-3/08 cars? (i.e. through a progman update?) thanks
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04-24-2008, 04:53 PM | #6 |
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Many insiders are reporting the same thing. This is more than understandable and even hinted at by BMW's own Performance line.
Truthfully, I am glad BMW is taking precaution to limit the garage style tuning, that people have been adding to their BMW's. CPO's will be very troublesome in a few years and it will give BMW a bad name. It cost thousands of dollars to mod a car properly, which also take commitment. Not 30 minutes and $700 bucks. |
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04-24-2008, 05:07 PM | #7 | |
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My understanding is that progman will NOT be able to update v80 ECUs to the capabilites of v81 due to hardware differences.
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04-24-2008, 05:36 PM | #10 |
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Yet another good reason to have ordered early
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04-24-2008, 05:48 PM | #11 |
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I just read the 20+ page post on E90Post about this.
Mikeo, thank you for creating a warning thread over here regarding this issue. We'll just have to be patient and see what transpires. |
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04-24-2008, 05:56 PM | #12 |
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See below text from the Dinan site regarding the ECU upgrade for the 135/335/535. This certainly adds credibility to this issue. Hope it gets resolved soon as I intended to pull into my nearest Dinan dealer at mile 1,201.
"Currently, Dinan software is applicable for vehicles equipped with the MSD v80.0 DME (engine management computer). Vehicles equipped with the MSD v81.0 DME are not yet supported. For the most part, the production date break appears to be 3/08, however this is not an absolute so it is best to check the DME label. "
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04-24-2008, 06:58 PM | #16 |
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Oouch. My car was just built, and I was planning on putting a tune on it as soon as I hit the break in number.
I'm guessing Dinan will probably still have something available? I hope....... |
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04-24-2008, 10:21 PM | #17 | |
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Quote:
Currently, Dinan software is applicable for vehicles equipped with the MSD v80.0 DME (engine management computer). Vehicles equipped with the MSD v81.0 DME are not yet supported. For the most part, the production date break appears to be 3/08, however this is not an absolute so it is best to check the DME label. |
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04-25-2008, 10:38 AM | #19 |
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What a pile! Could have had a Feb build date, but opted for the Munich Delivery in April - which I believe pushed the build date into April.
I'm planning to inspect the ECU in my car as soon as it comes stateside. Can anyone tell me where it's located? |
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04-25-2008, 11:05 AM | #21 | |
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Oh well, my order was placed 3/04/08. I was not keeping close track but that puts my build somewhere between March 18 and April 8. Wish I paid closer attention.
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