05-18-2023, 09:50 AM | #89 |
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What are some of the main symptoms to look out for?
I got clunk and whine. Is the clunking only apparent in a specific manner? For my car, if I am just cruising at like 2-3mph or a really low speed, and then press on the gas casually, the car will jump forward or jerk forward. But it does this inconsistently. I have an xdrive tho so idk if that changes things. Other than that I can’t notice much |
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05-18-2023, 05:40 PM | #90 |
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I have that clunk when you take off kind of hard at low speed. I heard that has to do with something else back there. But yes if you have a grinding sound at WOT its likely the diff has metal in it.
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07-08-2023, 02:45 AM | #91 | |
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10-04-2023, 09:46 PM | #92 |
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Revisiting thread once again, at 47K miles. Warranty ends in 3K, gotta take it in service before it ends. Last time at 41K miles dealer noted it was "Sweating" by breather hole and normal per SIB. Also noted car was lowered on Dinan springs and aftermarket wheel which was supposedly what added on to it, yea right lol. Is there actually a redesigned diff cover and does it actually fix the leak or would it be pointless to put the car back to stock and take it in again. Any info greatly appreciated. When was this supposedly updated diff cover released? Vehicle is a February 2020 production date. Per dealer "performed visual inspection found rear differential is not leaking it just appears sweating from differential
cover per sib 330321 it is normal, upon inspection found that incorrect tires size are installed in front and rear. Advise customer this can cause premature wear to the driveline.vehicle equipped with aftermarket suspension and wheel and tires will contribute to creaks." |
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10-05-2023, 11:35 PM | #93 |
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Yes, the new part # diff cover has revised breather holes which does resolve the leak. After BMW replaced my diff cover it has never leaked again.
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10-06-2023, 03:23 AM | #94 |
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10-06-2023, 10:10 AM | #95 |
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I believe so, that's the new part number that shows up on realoem as well. You can go to the BMW parts department and they can confirm it as well as they can see the dates on the part numbers.
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01-02-2024, 07:16 AM | #96 |
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I got my rear differential seal replaced they dropped the rear diff in order to do it and now i have a error code saying rear diff axle lock reduced does this mean i have to get it reprogrammed or recalibrated
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02-28-2024, 09:42 AM | #97 |
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Hey I just bought my 2020 M340i with 23k miles and I'm getting gear oil leaking from the rear up top. I read this entire post multiple times and some people say part number 33-11-8-677-753 fixed the issue and some say 33-11-8-742-755 is the fix. I'm trying to make sure I get the correct differential cover so I don't have to do the job twice. Thanks for the help
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04-08-2024, 10:20 AM | #99 | |
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b58, g20, leak, leaks, m340i, oil, rear diff |
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