08-12-2016, 09:23 AM | #353 | |
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08-12-2016, 10:53 AM | #354 |
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For those of you who have already taken delivery, I got an email from the Service Director where I purchased the vehicle that the rear differential and related parts will be auto-shipped to the dealers soon. Looks like it's moving in the right direction :-)
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08-12-2016, 11:05 AM | #355 |
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Landed in Cal on 7/18 been sitting there ? till who knows,,,,,,, SA called and said it had changed status and would be sent to Tacoma on 8/14. no more info till it arrives and they determine what to do...
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08-12-2016, 11:21 AM | #356 | |||
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BMW CCA ombudsman are available to assist BMW CCA members. See what $48 can do for you ! |
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08-12-2016, 11:30 AM | #357 | ||||
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08-12-2016, 12:48 PM | #358 | |
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08-12-2016, 01:59 PM | #359 | |
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08-12-2016, 03:01 PM | #361 | ||||||||||||||||||||||||||||||||||
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The 'can crunch noise'
From the BMW rear differential replacement 0033990100 'Technical Action' doc (July 19, 2016):
"Auswirkungen: Die Lamellen im Hinterachsgetriebe verschleißen sehr schnell. Es kommt zu massiven Geräuschen im Hinterachsgetriebe."Hm, could that explain the weird metallic ramble that several (including me) reported about ? That occasional, peculiar grinding/screechy rambling noise coming from the rear underside. If it happens to be the rear diff issue (which we don't know yet), then BMW has to recall (much) more cars than the batch starting from May 12 production onwards. Mine is an early April build. See these earlier posts: Quote:
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Last edited by Artemis; 10-03-2016 at 06:48 PM.. Reason: Added additional comments |
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08-12-2016, 03:13 PM | #362 |
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Starting to come out? http://f87.bimmerpost.com/forums/sho...4&postcount=78
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08-12-2016, 05:23 PM | #363 |
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So take it for what its worth, but the sales guy just texted me and said that the techs are working on the diff replacement, and I should be able to pick up on Tuesday.
But i wouldn't be surprised if I get a call on Monday saying it's delayed again. I'm not counting anything out until I've actually got the keys in my hand. |
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08-12-2016, 05:48 PM | #364 | |
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May 11 2016,which is just before cars are supposed to have the differential issue. How many kms did you have on your M2 when you first started hearing the noises?The reason I ask is because your car was built a month before mine and it sounds like your car might have a defective differential. |
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08-12-2016, 07:06 PM | #365 |
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Artemis If your car was built early April like mine, I wonder if I too have this problem. One of the days on the M tour I had to pull over because of a gnarly metal on metal sound. I had the M engineer drive the car around the lot and he said it was just the brakes. Brakes shouldn't make any noise when they're not in use if they're sorted out properly.
Once I get my car next Friday, I'll take it for a decent drive up in the mountains or something to really put the differential in motion. See if I get any noise. After reading your post, I'm surprised that the issue goes back this far. Maybe it's not just a bad batch of parts, maybe it's the design itself.
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08-12-2016, 11:32 PM | #366 | |
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08-13-2016, 09:03 AM | #367 | |
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my M2 is may 30 build, took delivery July 6. I will be getting a new diff swapped in by my dealer at some point. Confirmed by BMWNA. I only have ~ 500 miles on my M2; travel work etc...., but I do recall on 2 occasions, before knowing of the diff "STOP delivery campaign" announced July 20, hearing a screech from the rear during a low speed turn! Very transient, fleeting, lasted less than a second! I remember members mentioning this on prior posts as "you will know when you hear it" I thought to myself yup that is probably it If this screech is part of the basis of the diff " STOP campaign" Artemis has a point...this may go back quite a bit! |
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08-13-2016, 09:12 AM | #368 | |
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08-13-2016, 10:00 AM | #369 | ||
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08-13-2016, 03:29 PM | #370 |
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Was just told by Genius that my car is scheduled for a dealer delivery date of 8/18. They stated it appeared the diff had been replaced...reaching out to my dealer contact and F87queen for confirmation. Hoping it's true but not holding my breath.
For reference: my car arrived at the port in Oxnard on 8/5. |
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08-13-2016, 04:32 PM | #372 | |
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Because if it's the design, then this fix may just be a band aid for issues to pop up later. |
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08-13-2016, 04:43 PM | #373 |
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Most likely bad gears that slipped by QC.
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08-13-2016, 05:06 PM | #374 | |
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