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Automatic Transmission Tuning ZF6HP19 First Generation
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12-10-2018, 11:37 AM | #199 | |
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Any updates regarding the GM flash? Did you receive a donor TCU from anyone yet?
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12-30-2018, 05:54 AM | #201 | |
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A ZF engineer mentioned to an owner of the 6HP21 (but he meant it for all 6HPs) transmission that the software is optimised for the viscosity and performance properties at different temperatures of the Lifeguard 6 oil. (and that's why you should only buy Lifeguard 6 oil and nothing else). Have you seen anything that might make you think that or otherwise? Last edited by dh58; 12-30-2018 at 06:05 AM.. |
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12-30-2018, 05:40 PM | #202 | ||
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I'm not saying that other fluids will not be close enough for the gearbox to adapt. On my last change I used Pentosin and it worked but Shifts where rough until the TCU build new adaptation tables. I can also say with certainty that the ZF Fluid is only good for about 60k miles. After that, the friction modifiers break down and the clutches don't work like they should. Just read the Jaguar and Hyundai forums. I few professional transmission shops will say the same. |
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12-31-2018, 05:11 PM | #203 |
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Drives: 2006 BMW E90 330Xi
Join Date: May 2016
Location: Toronto ON Canada
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Do I have a GM or ZF6HP19 Automatic gearbox?
Hello Fellow E90 owners, I have an 06 E90 330Xi with the 6 speed automatic gearbox, & I was wondering if my car has the GM gearbox or the German built ZF6HP19? I personally like the ZF more.
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12-31-2018, 06:16 PM | #204 |
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Real OEM says its the ZF gearbox.
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05-12-2019, 11:15 AM | #205 | |
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Have you made any additional updates to the XDF? Any tuning updates? |
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07-01-2019, 08:05 PM | #206 |
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I have not been doing much with this for a while, so I was easily persuaded to help set up a trans tune on a 325I.
Feeling cocky, We flashed a tune that I was running on my Z4, I knew it worked and all I had to do was offset a few bytes to the correct locations for the 3 series program. What a epic fail. Nothing but errors and after errors. I finally had to break the tune down into components and flash each section until I knew what caused the problems. In the end, two problems emerged. 1. The hardware on the Kombi was not compatible with the gear display switch. Like another early model 5 series I worked with, the software will not show an active gear in D,S and manual. This was a 2006 325 with a build date of 2005 (mid). 2. The Torque reduction maps were a problem. Not the up-shifts but the ones programmed for a little throttle increase or rev matching during down shifts. The stock Z4 maps are much more aggressive and did not work on the E90. I tried making changes to these maps on my Z4 and ran into problems. Add just a little bit too much and the whole torque reduction system just shut down. no errors logged but the shifts were bad. With the E90, the car went into limp mode and would not shift. Map on the left is a stock 325 file while the map on the right is from an E85. This is the 2>1 down shift Torque control map. Torque and RPM on the Axis. Cells represent a torque modifier in %. Notice how much more he Z4 maps increase torque during an overrun (negative torque) down shift. |
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05-19-2020, 10:09 AM | #208 | |
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Are you trying to make the letter D and S go away? |
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05-19-2020, 02:09 PM | #209 |
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05-19-2020, 02:20 PM | #210 | |
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Sorry don't remember the exact address but I can pull it from my files tonight. Or you can PM the tune to me and I can fix it. |
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05-20-2020, 01:18 AM | #211 |
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thanks, will wait till you can look. i have which bit need to flip for 6hp28, but this one is older and not in same place, so would be good to know
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05-20-2020, 05:07 PM | #212 | |
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This is a GKE211 in an E90, the GKE 191 is the same location. |
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05-20-2020, 05:39 PM | #213 |
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Drives: 2008 E92 328xi
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It'd be great to achieve a transmission tune level of aftermarket support for the 6l45 tranny the same way the n54/n55 cars have.
I wonder why XHP hasn't paid any attention to the huge market of N52 cars around. You'd think they'd at least have provided a tune for N52 cars with the 6hp19 since they have it for n54 with that transmission. I know a few people with tuned zf boxes on turbo cars and it makes a big difference, close to a dct feel almost id say |
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05-20-2020, 06:39 PM | #214 | |
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I was l lucky and managed to break through the earlier generation 6hp with the clues left behind. Just takes motivation, hard work and sometimes a little help from some friends. |
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07-08-2020, 07:35 AM | #216 | |
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Anyways half the fun is figuring things out for yourself. No joy in simply buying a tune. My trans tune is probably better anyways. I programmed what I wanted rather than what was the most profitable for some organization. Doing the same with my N54, really easy to purchase MHD an go burn up a set of tires or turbos. To me the fun and challenge is tuning it myself. No, I have not broken anything yet. |
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12-21-2020, 02:08 AM | #217 |
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Hi, I've e61 2007.03 with ZF6HP19Z, BMW part number is 7591971 nad assembly number is 7603576. I want to enable gear display. Can it be done? Bimmerlabs shows that i've GKE211 but when i type assembly number in winkfp i have gke215 tree. Last 7 vin digits are CU01336.
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12-21-2020, 04:33 PM | #219 |
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Don't waste your time with BMWFile Creator. Changing the single byte to enable the Kombi display in the GEK215 is trivial. Your problem is flashing the modified file back into the module. Today, only Xhp has the software available.
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