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E92 335i transmission issue
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10-11-2024, 10:49 AM | #1 |
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E92 335i transmission issue
Transmission will not go into D, it goes into m2 for some reason. When i pull it over to sport mode it wont upshift. Noticed this today could this be a contributing factor?
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2007 E92 335i - MHD, Turbo Technics 19T's
2008 E60 535XI - JB4 2010 E92 335i - JB4, Borg Warner EFR 8374 |
Yesterday, 07:21 PM | #2 |
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I’d think lack of fluid flow to the valve body could possibly do that. Could you also check trans fluid level?
Can you link any event to when it started happening? Were you doing work in the area of that line before it started happening? Any codes? |
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Yesterday, 07:31 PM | #3 |
First Lieutenant
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All i did was change the fluid i havent checked the trans fluid level, tbh i didnt know we could do that. I had a old transmission that would not engage reverse and it did the same thing when put into drive. I swapped it out for a new one and now the reverse works but the drive issue still persists. I straightened out that shifter rod and it didnt do anything so im thinking i might just need a new shifter. But im not sure
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2007 E92 335i - MHD, Turbo Technics 19T's
2008 E60 535XI - JB4 2010 E92 335i - JB4, Borg Warner EFR 8374 |
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Yesterday, 08:09 PM | #4 | |
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Quote:
Put fill plug back in then turn off car and wait for car to cool down. Start car again remove fill plug and fill with about half a liter. Let fluid drain out until fluid temp is 40C and put fill plug back in. You’ll notice a small stream which is exactly what you want. I thought you mentioned in the other thread that you replaced the shifter with a new one? Since you said you coded the TCM with the swap I’m assuming you’re using the TCM that came with the new transmission and not the old one? |
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Today, 02:07 AM | #5 | |
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Quote:
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2007 E92 335i - MHD, Turbo Technics 19T's
2008 E60 535XI - JB4 2010 E92 335i - JB4, Borg Warner EFR 8374 |
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Today, 07:02 AM | #6 |
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That’s pretty wild it sounds like you have all new hardware. I’m wondering if there’s an electrical issue with your car somewhere. The only thing I can think of at this point is the TCM wire harness.
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