Lancew
Member
Mine was corrected last week. They said it was the driver side rear brakes. I am pretty sure they said it involved a correction with a shim.
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Adding pieces of foam are often ways to resolve interior squeaks and rattles in cars. I've seen some directions for manufacturer provided kits which mention that.Did anybody else experience this? There is a rattle in my
car that seems to come from the backseat area. The rattle is triggered usually when going over bumps. This rattle appeared over time.
I took the car in last Monday and they didn’t fix it. I was actually not very impressed with what the service center did. First they told me that they resolved the issue by “adding soundproofing” (I was like wtf?), then they added some piece of foam somewhere... which didn’t resolve anything
I had an odd rattle than only occurred as I turned the car. Sounded like a screw rolling in an enclosure in the rear. I had the car in the service center for some other issues and had this on my list. The service advisor took a ride with me and I was able to duplicate pretty easily. First he emptied my glove box, thinking it was in the front but I kept telling him I was pretty sure it was in the back. So he got in the back of the car. I was pretty impressed as he followed the sound he was laying across the floor in the back. He then told me he could feel it and pops up with a small tree nut in his hand. I recognized it immediately as they are all over my driveway! Anyway it was laying in the rear heater/cooling duct under the passenger front seat. It has a trough below what you can see in the picture and any number of things could fall in there.
Keep this in mind if you hear this type of sound as I am sure anything could get in there and roll back and forth. There should probably be a grill covering this or some padding on the inside.
View attachment 344531
Follow-up on my earlier note about rear seat rattle: Mobile Team came out and fixed the thing that was rattling for us once we pointed them to the back of the rear driver side seat. There is a place a few inches below the latch opening on the seat back where the middle seat belt is secured to the seat back (under the carpet). The tech unzipped the carpeting from the back of the seat and found that a plastic cover over that connection point was not secured properly with the pins that were supposed to hold it to the metal, so he taped it down tight, and now this noise is gone. Of course, there's still something else rattling -- so Jim, thanks for the suggestions here. But all in all, much better. And the Mobile Team tech guy was very nice; a good experience on this service front.The back shelf was a source of noise for me.
I wedged a few pieces of Gorilla Tape rolled into thick wedges in the space where the back shelf meets the window: one in the middle and a piece at the right and left edges. It did wonders in making the car feel and sound more solid on crappy city streets. I also wedged a few pieces of rolled up Gorilla Tape between the white headliner and the dark gray plastic back where meet at the bottom of the rear window. They had a lot of play and seemed another potential rattle source.
What I thought was a noise in the back seat area was emanating from the shelf/window area.
Previous to this I've also:
My M3 sounds and feels so much more solid and quiet compared to the day I took delivery. Because the car is so quiet it's amazing how the littlest thing can produce an irritating noise.
- Removed the back seat and securing anything in the penthouse area that could rattle with tape or felt tape.
- Removed all four door panels, securing anything that could ever rattle with felt tape, including the tweeters.
- Secured the front wheel well liners with tape. This eliminated the rattle I could hear at highway speeds. See Rattle: SOLVED.
Follow-up on my earlier note about rear seat rattle: Mobile Team came out and fixed the thing that was rattling for us once we pointed them to the back of the rear driver side seat. There is a place a few inches below the latch opening on the seat back where the middle seat belt is secured to the seat back (under the carpet). The tech unzipped the carpeting from the back of the seat and found that a plastic cover over that connection point was not secured properly with the pins that were supposed to hold it to the metal, so he taped it down tight, and now this noise is gone. Of course, there's still something else rattling -- so Jim, thanks for the suggestions here. But all in all, much better. And the Mobile Team tech guy was very nice; a good experience on this service front.
That is great service! Thanks for the post.I had an odd rattle than only occurred as I turned the car. Sounded like a screw rolling in an enclosure in the rear. I had the car in the service center for some other issues and had this on my list. The service advisor took a ride with me and I was able to duplicate pretty easily. First he emptied my glove box, thinking it was in the front but I kept telling him I was pretty sure it was in the back. So he got in the back of the car. I was pretty impressed as he followed the sound he was laying across the floor in the back. He then told me he could feel it and pops up with a small tree nut in his hand. I recognized it immediately as they are all over my driveway! Anyway it was laying in the rear heater/cooling duct under the passenger front seat. It has a trough below what you can see in the picture and any number of things could fall in there.
Keep this in mind if you hear this type of sound as I am sure anything could get in there and roll back and forth. There should probably be a grill covering this or some padding on the inside.
View attachment 344531
We just wrapped a little electrical tape around the latch. Problem solved.Yes indeed, it comes from play between the rear seat latch and bracket (in my 3 it's the double rear seat, not the single) I added some felt pads to prevent it from occurring. The felt pads push against the seat and eliminates the play between the seat and the bracket. I used two pads on top of each other, they are the same pads you put on chairs to prevent scratching wood floors. And I agree, it's a very annoying rattle!
View attachment 335254
Buena Park or Costa Mesa?… Obviously I will have to use something a little nicer than this later but that seems to do the trick. Damn I love my car but some of this stuff look very, very cheap... and I am less than impressed by the service center.
I had an odd rattle than only occurred as I turned the car. Sounded like a screw rolling in an enclosure in the rear. I had the car in the service center for some other issues and had this on my list. The service advisor took a ride with me and I was able to duplicate pretty easily. First he emptied my glove box, thinking it was in the front but I kept telling him I was pretty sure it was in the back. So he got in the back of the car. I was pretty impressed as he followed the sound he was laying across the floor in the back. He then told me he could feel it and pops up with a small tree nut in his hand. I recognized it immediately as they are all over my driveway! Anyway it was laying in the rear heater/cooling duct under the passenger front seat. It has a trough below what you can see in the picture and any number of things could fall in there.
Keep this in mind if you hear this type of sound as I am sure anything could get in there and roll back and forth. There should probably be a grill covering this or some padding on the inside.
I COULD KISS YOU!!!!!!!!!!!!!!!!
I've had a rattle that was buggin me for a while now.I was all prepared to take off wheel and search in there and under the car tomorrow, but decided I just look here where you suggested tonight. I found a big bolt in there that was the cause!!! The bolt looks the same as one of the bolts that holds the seat down,but inspected the seat I don't see any holes where a missing bolt would go. The seat does not move or rattle so maybe an extra bolt from production thrown in there. (car about a month old)
THANKS FOR THIS!!