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M2 Technical Topics > Mechanical Maintenance: Break-in | Oil & Fluids | Servicing | TSB | Recalls > Recall Campaign 2016-438 - Rear Sub-Frame Bolts (M2, M3, M4)

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      10-21-2016, 12:41 PM   #1
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Recall Campaign 2016-438 - Rear Sub-Frame Bolts (M2, M3, M4)

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Yesterday I received the letter below in the mail regarding a new recall campaign for the M2. This has to do with the rear sub-frame bolts, which may not have been installed correctly.

After discussion with my guys, this is unrelated to the rear diff recall and the rear diff bolts that were causing some delays. It is an entirely new issue. According to them, all the MY16's will need to have these replaced and some MY17's.

The issue seems to be way more serious than the rear diff, as per the highlighted paragraphs.

Also note the noise from rear axle description, which seems to be what a lot of folks are hearing, but I'm not sure it if it is the "soda can crunch" or not. I myself have not experienced it.

This is the second time in the 3 months I've owned the car that it has to go in for a recall, very disappointing coming from BMW.
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      10-21-2016, 02:09 PM   #2
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I brought my car in for the 10,000 mile service this morning and the women helping me mentioned the bolts and that I could bring my car in whenever, she then went to grab something and came back and told me that they already ordered them for me and I need to bring the car in right when they arrive. Seemed urgent.
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      10-21-2016, 02:14 PM   #3
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Quote:
Originally Posted by SGL View Post
I brought my car in for the 10,000 mile service this morning and the women helping me mentioned the bolts and that I could bring my car in whenever, she then went to grab something and came back and told me that they already ordered them for me and I need to bring the car in right when they arrive. Seemed urgent.
Yeah same with my guys. They seem to be taking this one seriously.

I talked to them at length about it, and they told me that the worst case scenario is the rear axle could actually come loose, either on one side or both, causing the car to (obviously) lose total control.

I'm a bit skeptical but given how seriously they are treating this compared to the rear diff replacement, I am inclined to believe them.
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      10-21-2016, 03:01 PM   #4
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Quote:
Originally Posted by gmzanatta View Post

I'm a bit skeptical but given how seriously they are treating this compared to the rear diff replacement, I am inclined to believe them.
Perhaps the sound of the e46 is still ringing in their ears
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      10-21-2016, 03:06 PM   #5
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So I just called and made my appointment to have the "bolt" repair done. I also called BMW Genius to ask about if my car fell in the range for the rear diff issues. They said no. My car had a mid/late April build. Does that sound right? Or are they still holding out on us because they don't have the parts to make the repairs? BTW haven't really experienced any can crunching sounds.
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      10-21-2016, 03:07 PM   #6
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Quote:
Originally Posted by azfootdoc View Post
So I just called and made my appointment to have the "bolt" repair done. I also called BMW Genius to ask about if my car fell in the range for the rear diff issues. They said no. My car had a mid/late April build. Does that sound right? Or are they still holding out on us because they don't have the parts to make the repairs? BTW haven't really experienced any can crunching sounds.
It falls on the range, but not all cars were affected. You may be one of the lucky ones!
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      10-21-2016, 03:17 PM   #7
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ALL M2s??? What?? is this for real?
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      10-21-2016, 03:18 PM   #8
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Quote:
Originally Posted by Jevi Javi View Post
ALL M2s??? What?? is this for real?
No just MY16 for now, so a small number of the total cars so far.

Something must've gone down during production...
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      10-21-2016, 03:23 PM   #9
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Guess I should call my dealer.
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      10-21-2016, 03:32 PM   #10
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Quote:
Originally Posted by gmzanatta View Post
No just MY16 for now, so a small number of the total cars so far.

Something must've gone down during production...
i'm a MY2016!!!

I already got my DIFF replaced...
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      10-21-2016, 03:32 PM   #11
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Quote:
Originally Posted by Jevi Javi View Post
Quote:
Originally Posted by gmzanatta View Post
No just MY16 for now, so a small number of the total cars so far.

Something must've gone down during production...
i'm a MY2016!!!

I already got my DIFF replaced...
So did I!!!!
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      10-21-2016, 03:50 PM   #12
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Quote:
Originally Posted by gmzanatta View Post
So did I!!!!
i was afraid of something like this....

I purchased my car from a dealer in Spain. Drove the car in Spain/Portugal for a couple of weeks. Got my diff replaced over there. And then brought it home (Dominican Republic).

Im sure the dealer over here is going to make things difficult for me with this new recall...

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      10-21-2016, 04:19 PM   #13
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I was just at my dealer and asked. He said that it was for my16 and about 40 cars from my17. He didn't know yet if my car was included. I was week 30 (July 25) build my17 vin ending V786360. I figure my car will ultimately be included.
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      10-21-2016, 04:54 PM   #14
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I am about to make a deposit for a late MY2017 allocation, maybe I should hold until MY2018 to give time to sort these kind of issues.
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      10-21-2016, 05:51 PM   #15
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Quote:
Originally Posted by Sebis View Post
I am about to make a deposit for a late MY2017 allocation, maybe I should hold until MY2018 to give time to sort these kind of issues.
I wouldn't. Given the waiting lists, I would get on a list unless you're worried about the engine change rumor.
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      10-21-2016, 06:05 PM   #16
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Quote:
Originally Posted by gmzanatta View Post
Yesterday I received the letter below in the mail regarding a new recall campaign for the M2. This has to do with the rear sub-frame bolts, which may not have been installed correctly.

After discussion with my guys, this is unrelated to the rear diff recall and the rear diff bolts that were causing some delays. It is an entirely new issue. According to them, all the MY16's will need to have these replaced and some MY17's.
Not sure, but I was told by my dealer that only cars who previously had the rear diff replaced were affected, and only if the rear subframe bolts weren't replaced as required. Who knows. Previous info in the media said things like "During servicing of the rear differential for a prior service action, the rear sub-frame bolts may have been reused instead of being replaced. Reuse of the existing bolts may cause the bolts to loosen." https://www.ncconsumer.org/news-arti...-vehicles.html

So perhaps it is just a coincidence that I'm a two-time loser. My VIN was on the rear diff was on the Stop Sale list (replaced in early August) and also on the rear sub-frame bolt list (replaced October 12 during 1200-mile break-in service). But I love this car!!!
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      10-21-2016, 06:12 PM   #17
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FWIW...MY2017, week 32, 1200 mile service today. They said I was not part of the rear diff or subframe bolt issue and that the soda can crunch noise was rock in the brake heat/dust shield.
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      10-21-2016, 07:48 PM   #18
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I only quickly read this online but my understanding is that the elec diff recall was a April-July '16 production only issue...and the bolts were a result of re-using the bolts instead of replacing them on the already replaced diff. thus its a recall as a result of a faulty job for the original recall? Or is there info that this relates to MY17 and more recent production? Im V786756 and now lil nervous ....
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      10-21-2016, 09:29 PM   #19
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Quote:
Originally Posted by Swimfanrick View Post
I was just at my dealer and asked. He said that it was for my16 and about 40 cars from my17. He didn't know yet if my car was included. I was week 30 (July 25) build my17 vin ending V786360. I figure my car will ultimately be included.
Looks like I'm 3 cars ahead of you. Did you log into your my BMW account and check for recalls?
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      10-21-2016, 09:49 PM   #20
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Quote:
Originally Posted by Rxkenny View Post
I only quickly read this online but my understanding is that the elec diff recall was a April-July '16 production only issue...and the bolts were a result of re-using the bolts instead of replacing them on the already replaced diff. thus its a recall as a result of a faulty job for the original recall? Or is there info that this relates to MY17 and more recent production? Im V786756 and now lil nervous ....
No,the original bulletin was for cars produced from May 12,2016 through to July 4,2016 but a bunch of people have said that they have heard the soda can crunch noise on cars produced much earlier and later than the original bulletin.


http://f80.bimmerpost.com/forums/sho....php?t=1285568

BTW,my M2 finished production May 11,2016.The car now has 2800 kms and I still have not heard any unusual noises driving my car.
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      10-21-2016, 09:55 PM   #21
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Quote:
Originally Posted by Nantucket View Post
Quote:
Originally Posted by Rxkenny View Post
I only quickly read this online but my understanding is that the elec diff recall was a April-July '16 production only issue...and the bolts were a result of re-using the bolts instead of replacing them on the already replaced diff. thus its a recall as a result of a faulty job for the original recall? Or is there info that this relates to MY17 and more recent production? Im V786756 and now lil nervous ....
No,the original bulletin was for cars produced from May 12,2016 through to July 4,2016 but a bunch of people have said that they have heard the soda can crunch noise on cars produced much earlier and later than the original bulletin.


http://f80.bimmerpost.com/forums/sho....php?t=1285568

BTW,my M2 finished production May 11,2016.The car now has 2800 kms and I still have not heard any unusual noises driving my car.
I had the soda can crunch sound 2 days ago but I haven't heard it since. Must have been stone in dust shield. I checked the recall link in mybmw and it said as of 10/21/2016 there are no recalls and I'm a MY2017 July build.
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      10-22-2016, 02:44 AM   #22
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Quote:
Originally Posted by Nantucket View Post
No,the original bulletin was for cars produced from May 12,2016 through to July 4,2016 but a bunch of people have said that they have heard the soda can crunch noise on cars produced much earlier and later than the original bulletin.


http://f80.bimmerpost.com/forums/sho....php?t=1285568

BTW,my M2 finished production May 11,2016.The car now has 2800 kms and I still have not heard any unusual noises driving my car.

I'm not hearing any noises from the rear axle/diff but my car was produced may 10th or 12th. I don't remember. Where/how can I find my production date exactly?



Cheers
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