07-24-2023, 10:26 AM | #1 |
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Failed Front Differential at 55k
Have overall been pleased with my 2020 BMW X5 M50i. However, at 55k miles I bring it in for a noise and I'm told the front differential needs to be replaced at $9K! BMW only offering 4k in assistance leaving me with a 5k bill on what I consider a premature part failure. I shouldn't have to be spending that kind of money to repair what is allegedly a solidly built luxury vehicle. Makes me want to never invest in a BMW ever again.
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07-24-2023, 12:12 PM | #2 |
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Yeah, that should be good-willed. My brother had a ~6 year old Camry with about 90K miles on it and the transmission went out. Toyota put a new trans' in it for no cost and they wanted the old trans' sent back to Japan so they could inspect it.
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07-26-2023, 09:12 AM | #5 |
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You know there are threads that come and go about diff and tc's.... Dindn't read much on them but presumed anywhere from driving like a hoon or wrong sizes, etc Never have taken a deep dive cause after 4 years, they're gone |
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08-10-2023, 12:53 PM | #6 |
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Ours did the same. I blame the fluid and BMW's refusal to do fluid changes on them as they insist it's "good for life"
We had it covered under an extended warranty contract though, so it was their loss. |
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08-15-2023, 04:26 PM | #7 | |
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Exactly same car and same failure at 52500 miles
Quote:
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08-16-2023, 05:30 PM | #8 |
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Been doing a brief read and I concluded it appeared to be mainly a 2019 issue - and possibly wrong/not up spec fluid in the TC. Hence the tsb was fluid change 1st and if the problem didn't go away, then replace... So far, on the most recent reply, I think this is the 1st one mentioned a chassis past 2019 |
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10-19-2023, 10:31 PM | #9 | |
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The front differential uses a different oil than the TC so not connected. My notes show 83-22-2-413-511 for front differential which is G2 75W85 with a GL5 rating. One pint bottles, holds two. X5M might be different fluid. |
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11-10-2023, 09:16 AM | #11 |
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What symptoms did you guys have when the came up? I take it everyone was running OE tires/wheels but was there any instance where tires weren't replaces in pairs or sets?
Makes me wonder if i should bring my 2020 X5M in and have the dealer just do the fluids (pay out of pocket) on the diffs and transfer case as a precaution. Interested to see of the parts are exactly the same between the M's and the normal X5s. You would think the added stress of having more power would cause this to pop up more frequent on the M models. Alan
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12-12-2023, 01:18 AM | #16 |
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Oil change / service intervals!
Hi, I got a new X4 M40i in 2019. I asked about oil changes was told car will tell you ? So as I have another car ( X5) the X4 doesn't do high mileage. So at 10k kilometers ( we are in metrics in NZ ) I asked when were they going to change the oil & filter etc? 30,000k I was told ? I said that's far to long it would be 3 yrs at least! So I asked for it to be changed and would pay for it to be done. I was told no! BMW say 30k.
So I changed it myself, carefully using a genuine BMW filter and the oil they recommend. I have done this twice now and I have had only 2 of the free services ? Strangely now the free servicing is over there appears a Lube sticker on the windscreen with the change interval 10,000 kilometers? When the car comes out of warranty July next year I will make the rules. Only had 2 warranty items done in 43,000 kilometers , a new coolant bottle as the original one leaked at one of the fittings and only 1 month ago the driver assist ( what ever you call it that corrects the steering when you drift over the white lines ) that motor had to be replaced on the LF wheel. |
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12-21-2023, 01:30 AM | #17 |
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in what way does the front diff is broken? front and rear diff in BMW is just open diff, right? Torque vectoring is done by torque braking. If this is the case, open diff is a very simple device, really nothing to break. Is it just leaking?
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