09-04-2014, 09:31 PM | #1 | ||
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DIY *Interior Rattle Fix*
I noticed that my brand new M3 makes quite bit of noise inside the car.
Coming from e92 335is, this was quite unexpected as my previous car was very quiet inside. Tools Needed 1mm Felt Tape <- Click link to purchase from Amazon Gummi Pflege Scissors 1 - Rear Audio Speaker Area There was pretty bad plastic rattle noise coming from rear area. After taking a look at the area, I noticed there are these plastic covers (total of 3 in M3) behind the rear seat where rear speakers are located. Just tap the surrounding area with your finger while these covers are in closed position. If you do hear some plastic rattle noise, then this simple fix will resolve your issue. Just apply 1mm felt tape under the cover so that the plastic cover and bottom piece do not come in contact directly. Do the same thing to other two covers. 2 - Front A/C Trim Roman@ESS posted great tips on how to fix some noises coming from front A/C area. I followed his tips and added some twists to fix noise from AC trim. 1. Pull out A/C CF trim This piece comes out easily without using any pry bar. Just follow first 25 seconds from this video to take out the trim. Make sure your car is off before pulling this out as you have to disconnect 2 connectors. 2. Pull out AC vent from CF trim This piece is actually quite hard to take out. Contact points that are holding AC vent is somewhat fragile and can break if you apply too much force. If you are not confident in your skill, you can skip this and go to step 4. 3. Apply felt tape around AC vent area Once you take AC vent off, it will look like picture* below (sans green tape). *This picture is borrowed from Roman@ESS. Apply felt tape around the area that is marked red. This is area where AC vent makes contact with CF trim area. It is not necessary to show felt strips on the outside area like shown below. If you want, you can cut the tape so that it only covers inner area where AC vent piece meets the CF trim area. 4. Secure two connector housings I also noticed that two places that connectors go in can move a lot and make some rattle noise. I applied felt tape around these so that they cannot move. 5. Apply Gummi Pflege to AC vent contact points Gummi Pflege works great to get rid of creaking noise coming from the trim. <Updated on Feb 7, 2015> You can also use synthetic grease from Super Lube or any similar product. I think this product will last longer than gummi. http://www.amazon.com/gp/product/B000XBH9HI/ Apply Gummi Pflege to area highlighted in red below. Wipe excess Gummi Pflege using microfiber. Put the entire trim back after letting it dry for 10 minutes. Test both door lock/unlock and emergency signal light buttons. Tip: When you put the trim back, it may not want to snap in to place. If you are having this problem, you may have cables stuck between ac vent and duck. Position both cables so that they do not get in the way. I taped both cables with electrical tape so that it is easier to position them when putting the trim piece back. 3 - Dome Light Unit There is piece of plastic covering dome light area. Lightly pull down plastic cover using your fingers (red arrows indicate points where you need to pull down). Remove entire dome light unit that is held by 2 retaining clips. Working one side at a time, insert pry bar into the gap and push the clip to the direction of the red arrow. While holding the pushed clip, use another pry bar to slowly pull down the unit. There is white plastic plastic piece that goes across left/right side of the hole. It is attached to metal frame by 2 plastic screws. I noticed that there were some gap in the middle section (between 2 plastic screws) causing it to rattle against metal frame. You can test it by lightly tapping that section upward. Good fix would be to take those plastic screws off then apply some felt tapes between metal frame and plastic. However, I couldn't figure out how to take those screws off. Instead, I just insert felt tape (marked in red in picture) to eliminate the noise. I had to stack 4x 1mm felt tape to fill the gap between these 2 parts. Install everything back. 4 - Door Seal I was also getting some noise from door/roof area. After searching for this issue on Google, I found out that similar problem appeared on previous generations of BMWs. When you open the door, you will find 2 door seals. Apply Gummi Pflege on the door seal 1. There is no need to apply Gummi on door seal 2. Do the same things to passenger door seal(s). Let it dry for approximately 10-15 minutes before closing the door. Re-apply Gummi Pflege to same area whenever the noise comes back. 5 - Rear Center Console Trim Pull rear center console trim using pry bar. It comes out fairly easily. There is cable connected to this trim. You do not have to disconnect the cable. Just pull the trim out slight and leave it there. There are 3 plastic pieces that sticks out (one at top and two at bottom). These pieces will hit and rattle against the plastic pieces on the other side. Wrap felt tape to these plastic pieces that stick out. Do the same thing to right side. Install rear trim back by pushing it in. Door panel rattle fix tip from Oakleyguy Quote:
Quote:
Enjoy significantly quieter interior Last edited by parky1215; 03-10-2015 at 11:48 AM.. |
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09-08-2014, 01:17 PM | #2 |
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BOOKMARKED. Good work!
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09-08-2014, 03:14 PM | #3 |
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oh yeah, I have a feeling this will come in handy later on
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09-08-2014, 03:40 PM | #4 |
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I know shitty New Orleans roads will make this thread a necessity later. Awesome job!
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09-08-2014, 06:12 PM | #5 |
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I wonder if the M4 has these rattles too. I guess I'll bookmark this and see if it does when I get the car.
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09-08-2014, 08:45 PM | #6 |
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I added additional steps to dome unit area to address rattle issue between dome light unit and its holder. With this, I am pretty much rattle free in most road situation.
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09-14-2014, 05:55 PM | #9 |
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Great post. Kinda sad that this needs to be done to a $70,000 car......
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09-17-2014, 08:09 AM | #11 |
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Thanks for the write up. I am getting a terrible rattle/creaking from the center A/C trim. Going to try it this weekend.
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09-17-2014, 01:41 PM | #12 | |
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Quote:
I do have rattling from all over. I am going to try Gummi Pflege on the door seals and see whats happens .
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09-19-2014, 08:42 PM | #13 |
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awesome write up! thanks!
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Last edited by CatchM3; 10-07-2014 at 12:29 PM.. |
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09-22-2014, 01:31 PM | #15 |
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Rattle/crackling noise in M3
Just picked up my new mineral white/SO M3 last week. I notice that when going slowly up a hill or on slow turns there is a rattle or crackling like noise coming from both sides of the car. I think possible from the doors or seats. It sounds almost like the creeking sound you might hear on a ship.
I do not hear any rattles or like sounds when going over bumps or at faster speeds. Anyone else experience this? What can be done about it? Thanks
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09-22-2014, 01:34 PM | #16 |
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My girlfriend's F30 creaked like crazy when going over uneven ground where the body flexes. The fix (found on the forums) seemed to be lubing the seal between the windows and the rubber gaskets. We had the dealer do it, and the creaks reduced about 90%, but they are slowly coming back again. I'm sure others will have more helpful tips, but I'd guess it's the window seals.
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09-22-2014, 02:19 PM | #18 |
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Just saw the other longer thread on this issue. I feel better knowing that this problem is ubiquitous among M3/M4 owners. I will have the dealer address it at the 1200 mile service. The strange thing is that as creaky/rattly the car is at slow speeds on the street, it is rock solid at high speeds even over bumps. No creeking or rattles at all.
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09-22-2014, 08:43 PM | #22 |
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If I roll down all four windows about 1 inch about 90% of the creaking goes away. The dealer should be able to fix this.
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