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Tweeter replacement / Other

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ryushe
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Posts: 128
Joined: Sun Apr 11, 2010 3:57 am
Location: Rotterdam, NL

Tweeter replacement / Other

Post by ryushe » Mon May 17, 2010 7:40 pm

Hi there,

Since a few days my passenger side (that would be the right hand side for you English blokes) tweeter has been acting up. When the volume is cranked up, the tweeter will simply start to cut out, making the audio sound rather dull. I've been wanting to pull the tweeter out of it's housing to have a look at it; it might be just a broken/damaged tweeter. Worst case would be the amp, but seeing as the other door speakers work fine and I've been told they're wired in with the tweeter, I'm not yet convinced this is the case.
So, how to remove and crack open the little plastic triangular bit and check the speaker? Just to be sure, it's the red circled one I'm interested in.

Image

In other news, I have an AUX in which I'm very happy with. Sound quality is great! Now I bought a little remote control set from Kensington for my iPhone (http://www.amazon.com/gp/product/B0011U ... ss_product) that allows me to connect my iPhone via a standard ipod connector to both the AUX-in port and the cigarette lighter for power. However, every time I try this, I get an audible hum or buzz. When I simply use a stereo cable to connect the iPhone to the AUX, it works fine. Other chargers when plugged in to the phone also produce the hum. So I'm guessing it has something to do with the cigarette lighter plug. Anyone else have this or any suggestions?

Thanks!
'06 E85 Z4 3.0si 6 speed manual - Black metallic w/ champagne interior
Prev BMWs: '04 E85 Z4 Individual 2.5i • '04 E85 Z4 3.0i • '04 E46 M3 • '04 E61 535d • '86 E28 525i • '87 E28 528e

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ryushe
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Posts: 128
Joined: Sun Apr 11, 2010 3:57 am
Location: Rotterdam, NL

Re: Tweeter replacement / Other

Post by ryushe » Mon Jun 07, 2010 9:30 pm

So I found out how to pull the speaker; it was a lot easier than I thought it would be. Ordered a replacement one (beware: the price got bumped from 63 USD to around 110 USD - just for ONE tweeter!!!) and installed it, but it didn't make one bit of difference. Gave the new one back and reinstalled the old one as it didn't seem to matter one bit!
So, my question has changed.

The tweeter channel still acts up, but as I now have determined it's NOT the actual speaker but more seems to be the output going to the tweeter, I'm pretty much back at square one trying to figure it out.
I asked one of the mechanics at the dealer and they say it can be as simple as damp in the door or a snagged wire, or it might even be the amplifier itself, which would be a costly business! Where is the amplifier anyways? In the booth or behind the radio? It's tyhe top-hifi system with DSP.
How can I test for any of this without ripping the car apart? I can handle easy things, but I'm not overly technical enough to troubleshoot this.

Thanks!
'06 E85 Z4 3.0si 6 speed manual - Black metallic w/ champagne interior
Prev BMWs: '04 E85 Z4 Individual 2.5i • '04 E85 Z4 3.0i • '04 E46 M3 • '04 E61 535d • '86 E28 525i • '87 E28 528e

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