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2021 Model 3 wind/whistling noise

JayClark

Member
Aug 6, 2019
224
181
Arizona
Picked up my 2021 M3 refresh about a week ago and noticed once driving a wind/whistling noise between 25-45mph. The noise goes away above 45-50mph, seeming to come from the passenger side. Anybody else had this?

After extensive use of painter tape, found I could eliminate the noticeable (any “car people” that drive with me comment on it, so I know it’s not just me) whistle by using a small amount of painter tape on the wind facing side of the passenger mirror where the black trim meets then white mirror cap.

This is where the mirror folds, so not quite sure how to fix this. Guess I’ll schedule a service appt to see if they have a fix.
 

KenC

Active Member
Sep 4, 2018
3,563
3,231
Maine
Picked up my 2021 M3 refresh about a week ago and noticed once driving a wind/whistling noise between 25-45mph. The noise goes away above 45-50mph, seeming to come from the passenger side. Anybody else had this?

After extensive use of painter tape, found I could eliminate the noticeable (any “car people” that drive with me comment on it, so I know it’s not just me) whistle by using a small amount of painter tape on the wind facing side of the passenger mirror where the black trim meets then white mirror cap.

This is where the mirror folds, so not quite sure how to fix this. Guess I’ll schedule a service appt to see if they have a fix.
Pics would be nice. Make sure everything is, in place, sometimes the trim is not seated fully.
 

aspec818

Member
Nov 15, 2018
639
302
Bay Area
Picked up my 2021 M3 refresh about a week ago and noticed once driving a wind/whistling noise between 25-45mph. The noise goes away above 45-50mph, seeming to come from the passenger side. Anybody else had this?

After extensive use of painter tape, found I could eliminate the noticeable (any “car people” that drive with me comment on it, so I know it’s not just me) whistle by using a small amount of painter tape on the wind facing side of the passenger mirror where the black trim meets then white mirror cap.

This is where the mirror folds, so not quite sure how to fix this. Guess I’ll schedule a service appt to see if they have a fix.
Pic of culprit area? You’re way ahead of the game if you already narrowed down the area to address
 

JayClark

Member
Aug 6, 2019
224
181
Arizona
Pics would be nice. Make sure everything is, in place, sometimes the trim is not seated fully.

Pic attached. Putting tape here stopped it. I had checked the trim and nothing seemed loose.... however, took the car through a car wash this Morning, and as I was drying some drips around and underneath the passenger mirror, lo and behold some part of the lower black trim under the mirror “snapped” into place. Whistle gone.
 

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Pemple

Member
Sep 10, 2020
101
155
US
I had exactly the same symptoms on my 2021 M3 on pickup and discovered that part of the trim under the passenger mirror was not seated correctly. It wasn’t obvious but it clicked back into place and that was it sorted. I’d push on all parts of the mirror in case it’s the same issue...doesn’t look like it but thought I’d share.
 
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JayClark

Member
Aug 6, 2019
224
181
Arizona
I had exactly the same symptoms on my 2021 M3 on pickup and discovered that part of the trim under the passenger mirror was not seated correctly. It wasn’t obvious but it clicked back into place and that was it sorted. I’d push on all parts of the mirror in case it’s the same issue...doesn’t look like it but thought I’d share.

Yes, sounds much like my situation actually.
 
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cloud240

Member
Mar 29, 2021
8
2
WA
+1 with the same issue. I stumbled upon this thread trying to see if others are having an issue with wind noise like I was and found out that mine was loose as well.
 

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Perscitus

Member
Jan 29, 2019
843
526
New York
All 'within spec' guys. Welcome to Model 3/Y ownership. First 10K 2017s or a recent 2021 build with laminated front windows... wind and tire noise abounds in these cars. And there is only a limited number of things you can do to partially mitigate it. Embrace the noise.
 

Moose35

Member
May 6, 2021
10
8
Martinsburg, WV
Thank you to the comments above. I picked up my Model 3 LR on Monday and the whistling noise on the drivers side was driving me crazy. Thanks to the comments above i checked the plastic trim piece below the drivers mirror and it wasn't snapped in place. Problem solved after snapping it into place.
 

RayK

Active Member
Apr 5, 2016
1,919
1,873
San Jose, CA
Drive slower :) .

There's many (?) threads here on the subject. I believe they boil down to the following:
  • Triangular piece of plastic next to the mirror(s) can stick out from the window, causing noise. Fix is to affix the piece where it belongs.
  • Breaks (seams) between the sections of glass on the roof can cause noise. Fix is to stuff rubber tubing in the cracks. Note that this may or may not help from reading some of the threads here.
  • Windows may not be closing all the way. You could try recalibrating them using the technique outlined in the manual (basically you need to hold the window switch down and then up for several seconds each at the fully open and fully closed positions).
  • Noise attributed to wind may actually be coming from the tires (tyres). Replacing them could help. I have no idea or suggestions as to what might be quieter.
 

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