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BMW 3-Series (E90 E92) Forum
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Transmission remap - Let's do it ourselves
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01-20-2017, 08:47 PM | #1871 |
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01-21-2017, 01:27 PM | #1872 |
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Hi, will there be a tune that puts the least wear on the clutch packs/ TC lockup?
I'm not big on the sport thing, but do a lot of city stop and go driving (stop signs, red lights, short blocks) and wonder about the wear on the trans doing 1, 2, 3 2, 1 and on and on. I'd be happy with it starting in 2nd even, in M2 it runs fine figure less wear to do M2 and M3 on this drive - or is D better for the trans? Right now I am running Pentosin ATF. This summer I will do another change to a Dexron VI, perhaps redline D6 atf is best??? Dexron 6 is the best spec pretty much what Lubeguard 6 did before the spec was finalized. A thinner ATF (than DEX 3/ATF1) that is very shear stable they call it. |
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RBT-Tuning714.50 |
01-21-2017, 04:02 PM | #1873 | |
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01-21-2017, 04:04 PM | #1874 |
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Here's the vehicle list for first release:
http://www.rbttuning.com/resources/x...le_support.pdf We're still looking forward for release in February and afterwards quickly add other models! |
01-22-2017, 03:57 AM | #1875 |
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I use Redline D6. Their synthetic base stock is polyol ester, superior to what other manufacturers use. Because of that, they do not have to use as many additives to make it meet specs.
I am biased as I have been buying their products since their early days as a small boutique blender, before Philips 66 bought them and gave them a national footprint. Back then you could only get it by calling the sales office. BTW, their diesel oil beats all comers in film strength testing, and by a wide margin. |
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01-22-2017, 04:03 AM | #1876 | |
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I am biased as I have been buying their products since their early days as a small boutique blender, before Philips 66 bought them and gave them a national footprint. Back then you could only get it by calling the sales office. BTW, their diesel oil beats all comers in film strength testing, and by a wide margin. |
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01-22-2017, 02:35 PM | #1877 | |
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Then, what does it mean, is included or not? |
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01-22-2017, 05:44 PM | #1879 |
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I want to know for sure: My car is build on 12/2006 (WD71) and my tranny is from the second generation (6HP28) but built on 08/2006, HW7566895
So if i get it right, that means that for me, looking at the HW nr. there will never be an upgrade possibility voor my tranny, correct?
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01-23-2017, 11:08 AM | #1880 | |
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I wonder if the d4 might offer better protection, or do you think thinner is better for this transmission? For the engine I like m1 or Castrol edge 0w40. Their 5w40 is part group 3 iirc. But the 0w40 is mostly group 4 and has the toughest specs to pass with a great noack, especially compared to factory 5w30 LL04 crap. If I keep the dpf, im confident in a normal ash oil with low noack vs a low ash, high noack oil. Example. 1.2% ash with 8% noack is like a 0.6%ash with 16% noack. Also the LL04 oils in heat tests leave horrible deposits! Last edited by robnitro; 01-23-2017 at 11:22 AM.. |
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01-23-2017, 08:51 PM | #1881 | |
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Yeah, one of the many reasons I decided to do the full exhaust bits delete was the opportunity to move away from the LL04 oils. |
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01-23-2017, 09:30 PM | #1882 |
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I was just wondering of you went by shift feel or data. Sometimes they don't match. I couldn't find anything conclusive.
In leaning to delete because on my semi short commute, I am seeing how bad the post injection juju kills mpg in cold weather. I'm going to start plugging it in , coolant heater approx 600w. Too bad there's no easy way to prewarm the trans, pan is plastic so a heater is not good. |
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01-24-2017, 05:51 AM | #1883 | ||
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In terms of support nothing has changed. The list is as precise, as it can be at the moment. BMW has changed the TCU generations in the E-Series cars on different dates, but there is no public data available yet on that. So if you have a car MY07 or earlier, you will still need to connect with xHP and it will tell you finally if your TCU is supported. The only other way is to read out your HW number with the BMW tools. As far as I remember, you already did this and we came to the conclusion, that your TCU is not supported. Quote:
Last edited by RBT-Tuning; 01-24-2017 at 05:56 AM.. |
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01-24-2017, 08:06 AM | #1884 | |
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Thanks a million! |
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01-24-2017, 09:49 AM | #1885 |
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Hi RBT-Tuning,
I have been following this with great interest and certainly want to use this on my gearbox as soon as it is available. I would just like to first of all check my car is compatible. It's a European (UK) e92 335d built in December 2007, registered in Jan 2008. It definitely has a 6HP28 gearbox, but not sure which the Hardware Number is you are referring to to check comparability. The ZBNr was 7582458 but this was previously updated to 7595728 - is this the number you need to check compatibility or something else? Is there a specific release date in February confirmed yet? Many thanks! |
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01-24-2017, 08:21 PM | #1886 |
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If this question has already been answered I apologize, but I searched the thread and didn't find an answer. I have a 2008 335i and my transmission starts from first gear if I come to a complete stop, or if I slow down enough it does an awkward second to first downshift then goes right back to second when I start to accelerate. My question is will it be possible to basically eliminate my transmission shifting to first gear with this flash tool?
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01-24-2017, 09:37 PM | #1887 | |
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To the lucky ones: Have fun with your new born tranny.
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01-25-2017, 04:40 AM | #1888 | |
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I was wrong. The Xhp app. could be used free before purchase any option? Just for the last chance... |
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01-25-2017, 06:58 AM | #1889 | |||||
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xHP WILL BE FREE TO DOWNLOAD AND CHECK YOUR VEHICLE FOR SUPPORT Last edited by RBT-Tuning; 01-25-2017 at 07:05 AM.. |
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01-25-2017, 10:03 AM | #1892 |
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Thx for your suggestion, RBT-Tuning but before i get excited and PM you y need to know if it's realy possible to only change the TCU without changing the megatronics cos what i understand from info on internet, only changing the TCU on itself is not possible, it has to be together with the megatronics.
Can you acknowledge that the TCU can be changed without changing the megatronics? If that could be i likely will be a happy man cos that would reduce the already expensive cost for such a torough modification.
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EX: e92 335d: 350hp@4400rpm and 698NM/521 ft lb@2760 rpm. |
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