01-21-2022, 09:28 AM | #23 |
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Do you have an idea of how much torque you were putting down? I am in the process of 8HP45 swapping my turbo E46 and had the same justification that it's overbuilt and will be fine. The main reason I'm using a 8HP45 is because it's PNP and much more accessible than a M57 8HP70. I've never dyno'd my car but it puts out an estimated 430-460ft/lbs. I never launch and I believe this will help prolong the life of the transmission vs you. Thanks.
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01-21-2022, 12:14 PM | #24 | |
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03-13-2022, 02:24 PM | #25 |
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How was comfort to sport plus shifting with the hp70.
Have a hp70 installed in my m140i and comfort to sports plus in D mode feels lazy sluggish won’t downshift till half throttle is applied makes daily driving bit crappy. Have xhp installed |
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03-14-2022, 01:27 PM | #26 |
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You should be able to use XHP custom settings to change that behavior
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03-14-2022, 02:16 PM | #27 |
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It felt very responsive, I would contact RBT and get their input.
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03-23-2022, 03:53 PM | #29 |
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Spoke to a few people with a hp70 and they all said the same thing feels really bad in D comfort to sport plus most people said they just resorted to using Manual.
It’s responsive in S but all that’s good for it basically track gear changes hang out too long Either super sluggish D mode or harsh S. miss the daily spirited mode from the hp50 D sport / plus Seriously considering putting the hp50 back |
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03-29-2022, 08:34 AM | #30 | |
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04-09-2022, 05:24 AM | #31 | |
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Was def needed running well Over what the hp50 is recommended for I’ll give them a shout see if anything can be done.. it’s not just me though that has the issue seems like everyone has. Just feels like the shift points haven’t been changed from the diesel ones. Under whelming is an understatement. Diesel shifts points in a 140i is hard to live with |
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04-10-2022, 08:51 AM | #32 | |
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05-26-2022, 08:58 PM | #33 |
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If anyone would like to buy the Transmission from this thread, I purchased it off of OP back in February to put in my car. Life has kinda hit my whole family with a curve ball and I will no longer be building my car at least for the time being. I have put zero miles on it as I have just been accumulating parts for the build since the time of purchase. I will sell it for $2500 which is what I bought it for. It can be picked up in SW Ohio or shipped at the buyers expense.
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05-26-2022, 09:23 PM | #34 | |
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05-27-2022, 03:30 PM | #35 | |
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02-14-2023, 05:16 PM | #36 |
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Hey jq_f22 I came across your post and I am trying to acquire a 8hp70 for the same thing you did. Are you in the UK? I can’t seem to source one from a 330d.
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08-06-2023, 09:22 AM | #38 |
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Did you ever find a way to source one? It seems these transmissions are mostly off european model only cars- though you might be able to find one off an F10 diesel model stateside.
Last edited by rlesko; 08-06-2023 at 09:29 AM.. |
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08-20-2023, 10:49 AM | #39 | |
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05-05-2024, 12:38 PM | #42 | |
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https://www.realoem.com/bmw/enUS/sho...38#17227607160 The AH3 comes with a special "8P70H" transmission, which is a special 8HP70 transmission with an electric motor in place of the torque converter. The Alpina B3 uses BMW part 17 22 7 626 316 for the oil cooler lines, but according to OP it seems like those would not fit without additional fabrication.
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