08-07-2020, 03:48 AM | #1 |
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Cabin pressure vents location
Hi all,
I get this strange sensation with my ears like they're blocked whenever I go drive my car. I've read that this could be due to faulty or blocked cabin pressure vents. Can anyone advise me where these are located on the M2 so I can investigate further? Believe these are usually behind the rear bumper? Or has anyone else experience a similar sensation with their ears when they drive their car? The only other thing I can think of is the frequency of the ASD not sitting well with my ears. I actually just got the bypass harness delivered today, so I wanted to try things out with ASD off but I embarrassingly I can't get the floor loop bolt loosened. Just won't budge so might need to wait until local covid restrictions are gone to get help on this. |
08-07-2020, 04:24 AM | #2 | |
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It really shouldn't be possible for it to be an air pressure issue especially if your vents are open. Try driving with the windows cracked open vs. them being shut. But most likely it is the ASD in your situation.
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08-07-2020, 04:44 AM | #3 | ||
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Hopefully I'll get that damn floor loop bolt out and I can check it out along with installing the harness. The previous owners claims he hasn't had any mods to the car and there's no stereo update - so would there be any reason why the owner would have been removing the left floor loop bolt which he has managed to strip out the bolt head and tighten crazily? I usually do drive with the window down or sunroof partially open. No difference. |
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08-07-2020, 04:53 AM | #4 | |
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IMO it is probably better to code it rather than install the harness. Bimmercode + and a cheap vgate adapter is like $80 CAD, the harness is likely alot more. Plus coding is way faster to perform and remove and also non intrusive.
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08-07-2020, 06:07 PM | #5 | ||
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Would rather not tinker with coding just as a personal preference so have gone down the harness route. |
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08-08-2020, 05:24 AM | #6 | ||
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08-08-2020, 05:26 AM | #7 | |
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If it only occurs with the car on do you have an aftermarket exhaust? It could be drone. My sti used to have terrible exhaust drone even with a stock exhaust at a particular rev range. If it occurs either way on or off does it go away after awhile?
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08-08-2020, 07:13 AM | #8 | ||
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08-08-2020, 02:33 PM | #9 |
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Yeah it must be an electronic source then. Did you get water in your subs under the seat by accident and short them out? This could be a reason but I'm not sure how valid it is because if the subs were shorted out you'd know since all base would be gone. But I've seen it happen with rubber floor mats accumulating huge puddles of water in the winter with snow.
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08-08-2020, 11:37 PM | #10 | |
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I'm thinking I might bring it into the dealership - crossing fingers they have some idea. I've tried to look at if other car owners have experienced such thing and it seems like the Tesla has this issue: I've tried to adjust my trunk stops following the steps in the video but no difference. Maybe I need to calibrate them further. |
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01-26-2022, 07:12 PM | #11 |
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Hey bud. Very noticably happened to me yesterday. I most was aware of this when I had the windows down to help cool the cabin. Upon closing the windows, immediately I felt pressure against my ear drums, similar to an airplane cabin taking off sensation (though less intense and not increasing but kept at a static pressure level).
Did you ever solve this? E92 M3 |
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01-27-2022, 05:53 PM | #12 | |
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01-28-2022, 01:58 AM | #13 | |
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You can see photos I took here that may be helpful. https://photos.app.goo.gl/gAWFw3eAq6QJwwCB7 Last edited by JBG84; 01-29-2022 at 12:10 AM.. |
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01-29-2022, 02:41 PM | #14 | ||
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Great that you did end up finding a solution that has helped - well done! |
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03-24-2022, 04:15 PM | #15 | ||
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