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F10 / F11 (2011 - Current)
The new chapter in the highly successful story of the BMW 5 Series Sedan (F10) and wagon (F11)

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Old 07-08-2013, 01:55 PM
OoBALLERoO OoBALLERoO is offline
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Location: new york
Join Date: Jul 2007
Posts: 2
Mein Auto: bmw 525i
Upgrading f10 hifi audio

Hey guys. I recently had a 2005 5 series with hifi sound system. I had upgraded by adding an aftermarket amp and four interior speakers. It sounded amazing, the only downfall was that it made the annoying "gong" sound much louder. You can imagine how scared I got everytime the low fuel or no seatbelt gong alerted me lol. I just purchased an f10 with hifi and would like to do the same and replace interior speakers an add an amplifier. Would the gong sound on this car also get louder? I noticed there is a setting in the Idrive to make the gong sound lower but not sure how this would turn out for me...any thoughts?
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Old 07-09-2013, 01:25 PM
OoBALLERoO OoBALLERoO is offline
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Location: new york
Join Date: Jul 2007
Posts: 2
Mein Auto: bmw 525i
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Old 07-13-2013, 03:16 PM
jeffjoes jeffjoes is offline
Silver BACK
Location: Westbury, NY
Join Date: May 2010
Posts: 90
Mein Auto: 2011 BMW 535I
I have have to say that I been driving a BMW for over 5 years and just got a 2011 535I as much as I added new part to the body to make it look like a m-pack one thing I never did was tamper with the radio functions like changing speakers and adding amps.. Because of the complications of this car I was always scared that I would run into something malfunctioning... I have to say your brave hopefully you have warranty ..
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Old 07-13-2013, 05:03 PM
Mr. Grumpy's Avatar
Mr. Grumpy Mr. Grumpy is offline
BMW Freak
Location: NOLA, but my heart is in SoCal
Join Date: Aug 2011
Posts: 259
Mein Auto: 2011 535i
If I wanted to upgrade the sound system I would probably do it with Bavarian Soundwerke. They have a good reputation and they only work with BMW's and Mini's.


2011 535i (07/2011 build) Imperial Blue, Oyster/Black Interior, Anthracite Wood Trim, ZSP, ZPP, ZP2, ZCV, 2TB, 6NF, 6NR.

Retired: 2009 328i,Titanium Silver, Black Interior, Dark Wood Trim, ZPP, ZLP, 609, 494, AAW Tune.

Last edited by Mr. Grumpy; 07-13-2013 at 05:07 PM.
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Old 07-13-2013, 06:30 PM
rosspat75 rosspat75 is offline
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Location: CT
Join Date: Feb 2013
Posts: 23
Mein Auto: 2012 BMW 528I XDrive
The issue is knocking down individual signal paths. The gadget that does that is made by Audison called a Bit Ten http://www.audison.eu/index.php?page=product&id=41 You basically need to covert all signals to digital, which this does, then using a laptop you can interface with the bit ten to do practically ANYTHING to your sound. You can also save several configurations and switch on the fly.
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