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-   -   Rear rubber mount for rear diff (https://www.bimmerfest.com/forums/showthread.php?t=1337893)

RDNXXX 07-09-2019 07:42 PM

Rear rubber mount for rear diff
 
2014 550 IX M sport

Dealer says REAR RUBBER MOUNT FOR REAR DIFF BROKEN

Am I suppose to feel a difference in the drivability ?
Does anyone know what the symptoms might be ?
what is the long term affect if driven ?

Cost will be around $1,140 at dealership to fix. I assume that's a a big job for them
Thank in advance for any comments

bmrboy2008 07-10-2019 12:25 PM

I had the same diagnosis about two months ago after I took my car to the dealer for some warranty repairs. They quoted me $1350 to replace the bushing as it was not covered under my CPO warranty. I declined the repair. When I left the dealer I did not notice any difference in the car's handling. After reading about it later I understand when the time comes for the bushing to be replaced, a clunking sound will most likely be heard when the car changes gears.

A couple weeks later I took the car to my independent. He checked and said the bushing did have a very small crack in it. However, replacing the bushing was not something that needed to be done immediately. They did not seem too concerned and told told me to come back periodically and they would check it for me. When it does need to be replaced they would charge me $750.00. This price is a bit high for an independent. Mine is not the least expensive in the world, although he is extremely reliable, trustworthy and fast.

I would never take my car to a stealer for an out of warranty repair unless I had no other choice. I would recommend you take the car to a reliable independent to confirm the issue and replace the bushing if absolutely necessary. You will save a lot of money.

wcr3d 07-10-2019 02:50 PM

Search here for a good Indy in your area.
www.bimrs.org

iklo 07-10-2019 03:19 PM

There are actually two bushings not one that hold the differential in place. If one has cracks in it, the second is not far behind. Most of the cost is in labor so if replacing do both.

samadkins29 07-10-2019 06:51 PM

Quote:

Originally Posted by iklo (Post 13050323)
There are actually two bushings not one that hold the differential in place. If one has cracks in it, the second is not far behind. Most of the cost is in labor so if replacing do both.

3 bushings: https://www.realoem.com/bmw/enUS/sho...diagId=33_1454

However, the front one requires a ton of work to get to.

iklo 07-10-2019 07:54 PM

Quote:

Originally Posted by samadkins29 (Post 13050543)
3 bushings: https://www.realoem.com/bmw/enUS/sho...diagId=33_1454

However, the front one requires a ton of work to get to.

Still two as per your diagram: #8 and #11.

samadkins29 07-10-2019 07:56 PM

1 Attachment(s)
Quote:

Originally Posted by iklo (Post 13050583)
Still two as per your diagram: #8 and #11.

There is 2 x #8 Left and Right

I did have my orientation wrong. #11 is the "easy one", the two # 8's are harder to get to.


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