01-03-2021, 02:42 AM | #1 |
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2016 F32 435i 8A Transmission noises
Hello all first post here thanks for any input
I got this car with 82k miles I’ve put 11k miles on it in 15 months. 1 oil change about 8k miles ago getting it done real soon. Don’t drive it much but started noticing a grinding/ clicking noise coming from the middle section between the back and front seat when I give maybe 70-80%+ throttle and it’s very noticeable. It still pulls normal and is quick and still shifts perfectly. Feels rougher with paddles and silky smooth in comfort mode. Basically it drives well and normal but has been making this noise for a while now maybe I caused it by launching it or something. I have driven it hardish some times but not sure why this noise started happening and I can’t find any other forums on the car or transmission with a similar problem or any YouTube videos either. Wanted to go stage 2+ but maybe not now because I don’t want to have tranny issue bills. May just trade in before it becomes an issue (if it isn’t already) a dodge dealership offered me 14k |
01-03-2021, 05:28 AM | #2 |
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It could just be the handbrake cable hitting the drive shaft which a lot of people have experienced. Look up threads/videos and compare the noise.
Is it throwing any codes? I would expect there to be a code if you were getting grinding in the transmission and the fact that it drives and shifts fine without going into limp also points to an issue that is not transmission related
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01-03-2021, 08:23 AM | #3 |
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njdangelo is right. The handbrake cable thing was seen quite a few time:
Btw "Feels rougher with paddles and silky smooth in comfort mode", this is absolutely normal
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01-03-2021, 03:45 PM | #4 | |
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01-03-2021, 04:35 PM | #5 | |
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Ignore BMW claims that it is a "lifetime" fluid. "Lifetime" for BMW means that it is out of warranty and they are no longer on the hook. ZF makes the kit with fluid, transmission pan, built in filter and new bolts. A special procedure must be followed to assure that it is not underfilled. FCP Euro sells the ZF Kit. See photo. |
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01-03-2021, 05:37 PM | #6 | |
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01-03-2021, 09:17 PM | #7 | ||
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01-04-2021, 04:54 AM | #8 | ||
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01-04-2021, 01:26 PM | #9 |
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Found the other thread
https://f30.bimmerpost.com/forums/sh....php?t=1568289
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01-09-2021, 06:51 PM | #10 |
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Not sure if you all will get a notification for this but your help was very much appreciated. In the end, so far, I’ve fixed the solution without any wrenching. Actually just used zip ties 🤣 didn’t get a picture but it’s as goofy as you think it looks. Took it on a test drive and the sound is GONE. The other thread showed the brake line off of the retainer and that’s exactly what I saw, I don’t have all the tools in the world and only had the rear end up, saw how much work it was going to be so I went with the quick fix. It is just plastic that was broken after all. Hopefully the zip ties don’t melt near the exhaust lol. Clipped them off to keep some distance. Used about 8 after doubling up on them so they wouldn’t snap. I have no idea how I would be able to get the bolt on the retainer itself so I went with this, maybe it would look a lot clearer if the whole car was fairly high off with the ground with thegas tank lowered, but that shit looked impossible (for me to do quickly ish) that damn driveshaft looks right up against it, you’d need a skinny or small ratchet with a (I don’t even know my tool terminology) tiny not deep at all 10mm socket I believe it was. The other forum is linked in a reply above with the steps. Jacked the car up and down twice (because i got the wrong zip ties the first time, need ~foot long ones ) and noticed a new sound lmfao hopefully just a Beamer thing
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#435i, #8a, #f32, #grindnoise #bm3 #stage2, #zh8p |
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