Anyone do any work to there F10 to make the cabin quieter? - Bimmerfest - BMW Forums



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F10 / F11 (2011 - 2016)
The sixth generation of the BMW 5 Series Sedan (F10) was produced from 2011 - 2016 with LCI updates arriving in 2014. In the US BMW offered a hatchback 5 Series Gran Truismo (F07) and the rest of the world also go a Station Wagon/Touring version F11.

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Old 06-28-2020, 08:15 PM
riffwraith riffwraith is offline
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Anyone do any work to there F10 to make the cabin quieter?

My '16 F10 cabin is not all that loud, but could be quieter. Same as my '13. I have done some research, and I have seen products by Dynamat. I have also heard that changing from runflats to a softer tire will help.

Anyone do anything, and what were the results?
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Old 06-28-2020, 08:21 PM
wcr3d wcr3d is offline
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Mine is pretty quiet.
Yes if you change away from runflats it will be more so and if you use the dynamat it will help.
What is it you're hearing? Road noise, wind, rattling?
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Old 06-29-2020, 04:21 AM
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Doug Huffman Doug Huffman is offline
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There are airborne noise measuring apps adequate for absolute noise levels and relative comparisons.

Run-flat / not RFT is not the issue, it is compound and alignment.

I changed from half-worn CPO OE run-flats to NOKIAN WR G3 RFT and they are notably quieter. I believe that low noise correlates with higher quality.
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Old 06-29-2020, 06:22 AM
riffwraith riffwraith is offline
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Thanks guys.

I have CPO RFs, but they are brand new, and am not keen on wasting them.

I have no rattles, it's more wind and road noise. It's pretty darn quiet when I am sitting still, however.
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Old 06-29-2020, 06:31 AM
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Doug Huffman Doug Huffman is offline
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Wind noise is well correlated with streamlining.

Technically, the streamline at the skin, the boundary layer, has low approaching zero velocity. But you have to ensure that all gaps, window, windshield, hood, doors are small level and regular. Wing mirrors are common noise generators. Fold them in and compare to extended position noise.

Again, get a good app and learn to use it and understand its indication. Smart phones have very good microphones.
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Old 06-29-2020, 09:51 AM
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samadkins29 samadkins29 is offline
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The best you will be able to realistically do is switch to a tire that produces less road noise. Although even touring tires will get noisy once they start to wear.

You can dynamat the entire car, but after having stalled the BAVSound speakers, I donít think it will have a big effect. The doors are already heavily layered.

The F10s are just not quiet cabin cars. (For European anyways).


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Old 06-29-2020, 10:00 PM
MunichMark MunichMark is offline
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Most wind noise at least comes from the lower window to door seal trim, easy to check taping it off, after time the trim and seals lose their resilient push against the glass.

Iíve seen some pretty heavy mods done stuffing insulation everywhere possible and it is a tick quieter perhaps but lots of work to get there for a couple dbís at best. Itís more about certain Hzís that are dampened.

Also, tires do make a difference but so many scenarioís depending on road surfaces. My Winter Tires are actually a touch quieter (perception) in some cases as my summer tires but only on rough surfaced roads. On smooth roads the winter tires are then louder than Summer Tires.
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Old 06-30-2020, 06:53 AM
cvx5832 cvx5832 is offline
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Not sure what you're after as the 5 is already pretty dang quiet.
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Old 06-30-2020, 07:13 AM
riffwraith riffwraith is offline
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Quote:
Originally Posted by MunichMark View Post
Most wind noise at least comes from the lower window to door seal trim, easy to check taping it off, after time the trim and seals lose their resilient push against the glass.
Thanks.

When you say the lower window to door seal trim, you mean what's inside the door? Any way to access that? I assume you have to take off the interior panel?
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Old 06-30-2020, 08:12 AM
MunichMark MunichMark is offline
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Not the inside but the outside trim, Chrome or Black strip.
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Old 06-30-2020, 10:14 AM
riffwraith riffwraith is offline
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Cool - thx
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Old 06-30-2020, 05:39 PM
demas demas is offline
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One way is to get a 550 - that V8 makes literally no sound.

I donít think there is much you can do. Perhaps gummipfledge the rubber seals around windows and doors. Tires probably the biggest factor.



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Old 06-30-2020, 06:07 PM
riffwraith riffwraith is offline
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What - everyone in this thread has a white one?!?!?

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Old 06-30-2020, 06:08 PM
riffwraith riffwraith is offline
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Quote:
Originally Posted by demas View Post
Perhaps gummipfledge the rubber seals around windows and doors.
This stuff?

https://www.amazon.com/nextzett-9148.../dp/B004B8GTQG

Thx, BTW
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Old 06-30-2020, 09:37 PM
cvx5832 cvx5832 is offline
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Thatís what I use on the E46, works wonders. That said I donít think the 5 has squeaky seals. Not to mention the body is super rigid, further mitigating those squeaking noises.
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Old 06-30-2020, 11:27 PM
demas demas is offline
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Quote:
Originally Posted by riffwraith View Post
What - everyone in this thread has a white one?!?!?





Maybe Alpine White 300 contains natural sound deadening properties.

BMW also sell their gummi stuff in a spray can but the aftermarket ones might be better.

I never liked the BMW branded cleaners etc. they seem worse than off the shelf generic cleaners.




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