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Car Audio Advice (Popping Sound)
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Old 23-05-2005, 21:15   #1
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Car Audio Advice (Popping Sound)

OK not pop sounds before anyone starts a joke...
Some of you may know I fitted a Dension IceLink+ to my BMW (none of those jokes either please) as per this thread : http://www.cableforum.co.uk/board/sh...ad.php?t=25850

Ever since the install I got a popping/clicking sound between tracks, which I've recently been told is a ground problem. I removed the two wires +/- for the bluetooth phone sound from the plug and the popping stops.

Does anyone on here know about grounds and would this cause my problem (O the clicks/pops only appeared when the ignition was turned on, engine doesn't need to be running - it is fine when ignition is Off).
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Old 23-05-2005, 21:27   #2
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Re: Car Audio Advice (Popping Sound)

How do the sounds sound?

Do they rise with revs or when you use something like the indicators (not likely as they never work in a beemer lol ) or wipers for example?
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Old 23-05-2005, 21:30   #3
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Re: Car Audio Advice (Popping Sound)

I'll ask on a BMW board im a member of...
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Quote:
Originally Posted by Tuftus
How do the sounds sound?

Do they rise with revs or when you use something like the indicators (not likely as they never work in a beemer lol ) or wipers for example?
Quote:
(O the clicks/pops only appeared when the ignition was turned on, engine doesn't need to be running
I dont think its the engine, but Bluetooth by the sound of things. Ive asked for you over in the BM forum. What BMW do you have? (model + year)

Last edited by bdav; 23-05-2005 at 21:29.
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Old 23-05-2005, 21:34   #4
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Re: Car Audio Advice (Popping Sound)

Sounds like a click as a light switch would or playing a CD on fast forward, adjusting volume of headunit doesn't make a difference and neither does adjusting volume of bluetooth output. No change when engine running (idle or otherwise) and other electrical items don't seem to cause any affect (note must try indicators!)

I've logged this on a BMW forum I visit e46fan.... and a guy from Dension in the states has suggested the ground problem...
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I'll ask on a BMW board im a member of...
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I dont think its the engine, but Bluetooth by the sound of things. Ive asked for you over in the BM forum. What BMW do you have? (model + year)
BMW 320d Sport Touring, 2004 (November with MP3 Capable Business/CD Head Unit). Bluetooth audio +/- cables moved over from BMW cable to Dension cable in pins 3 & 8.
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Old 23-05-2005, 21:48   #5
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Re: Car Audio Advice (Popping Sound)

How does the bluetooth work? is it battery powered? if so are the batteries tip top?

(good that you will check the indicators, this may surprise other road users so be carefull... )
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Old 23-05-2005, 21:51   #6
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Re: Car Audio Advice (Popping Sound)

Quote:
Originally Posted by Tuftus
How does the bluetooth work? is it battery powered? if so are the batteries tip top?
(good that you will check the indicators, this may surprise other road users so be carefull... )
Bluetooth is a factory fit option kit (now you all know what the shark fin is on top of BMW's) so is all built in (no batteries)
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Old 23-05-2005, 21:51   #7
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Re: Car Audio Advice (Popping Sound)

Sounds like a BMW one - built into whole stereo system. Its a built in unit, integrated w/ steering wheel controls, stereo, and powered of car battery
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Old 23-05-2005, 21:57   #8
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Re: Car Audio Advice (Popping Sound)

Quote:
Originally Posted by Tricky
Bluetooth is a factory fit option kit (now you all know what the shark fin is on top of BMW's) so is all built in (no batteries)
Lol and I thought that was sat nav or summat...

You learn something every day as they say.

I am at a loss here, my boss who has just got a new 330D (w00t btw, goes like stink!!!) had probs with the bluetooth phone thingy so it may possibly be driver / firmware possibly???
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Old 23-05-2005, 22:00   #9
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Re: Car Audio Advice (Popping Sound)

Quote:
Originally Posted by Tuftus
Lol and I thought that was sat nav or summat...

You learn something every day as they say.

I am at a loss here, my boss who has just got a new 330D (w00t btw, goes like stink!!!) had probs with the bluetooth phone thingy so it may possibly be driver / firmware possibly???
Nah, it is sat nav! and sattelite radio if you have it, and of course the BT phone antenna (the one going to the network , not the phone -> handsfree link). The BT phone kit wont work with all phones. If you google it, theres a list somewhere.
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Old 23-05-2005, 22:03   #10
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Re: Car Audio Advice (Popping Sound)

Quote:
Originally Posted by bdav
Nah, it is sat nav! and sattelite radio if you have it, and of course the BT phone antenna (the one going to the network , not the phone -> handsfree link). The BT phone kit wont work with all phones. If you google it, theres a list somewhere.
And so my boss found out...
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Old 23-05-2005, 23:19   #11
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Re: Car Audio Advice (Popping Sound)

Quote:
Originally Posted by Tricky
OK not pop sounds before anyone starts a joke...
Some of you may know I fitted a Dension IceLink+ to my BMW (none of those jokes either please) as per this thread : http://www.cableforum.co.uk/board/sh...ad.php?t=25850

Ever since the install I got a popping/clicking sound between tracks, which I've recently been told is a ground problem. I removed the two wires +/- for the bluetooth phone sound from the plug and the popping stops.

Does anyone on here know about grounds and would this cause my problem (O the clicks/pops only appeared when the ignition was turned on, engine doesn't need to be running - it is fine when ignition is Off).
Do the decent thing and upgrade.

Carefully remove the stereo and then throw the beamer away.

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Old 23-05-2005, 23:39   #12
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Re: Car Audio Advice (Popping Sound)

Quote:
Originally Posted by Tricky

Ever since the install I got a popping/clicking sound between tracks, which I've recently been told is a ground problem. I removed the two wires +/- for the bluetooth phone sound from the plug and the popping stops.
Seems strange that you only get the popping between tracks, is it so, or is it that you can only hear them when the music has stopped

As for the ground, I don't know much about bluetooth but, if it stops when disconnected then I would say that its possible that your getting some sort of backfeed / noise, if you can get to the supply cable / plug, and if your able and willing, try and run a temp supply off the battery direct to the unit to see what happens then. If it stops then it is something on the same feed as the stereo and you should swap it out.

Sorry if thats long winded, I was bored HTH

EDIT: if your gonna mess with the supply, make sure you know the code if any, and always dissconect the battery, just in case
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Old 23-05-2005, 23:49   #13
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Re: Car Audio Advice (Popping Sound)

Quote:
Originally Posted by carlingman
Do the decent thing and upgrade.

Carefully remove the stereo and then throw the beamer away.

Enough said

Before that could we have a image of a BMW with its indicators on? its a very rare image, also a image of a BMW speedo showing 30mph in a 30mph zone.
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Old 24-05-2005, 09:49   #14
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Re: Car Audio Advice (Popping Sound)

Quote:
Originally Posted by bopdude
Seems strange that you only get the popping between tracks, is it so, or is it that you can only hear them when the music has stopped
That make it sound like the bluetooth or some other part of this collection of components is powering down in the silent part while the iPod reads the track header data for the next song and powering back up when it hears a datastream, the pop is the power down of an amp in the system and the capacitors in that amp discharging, much like on a home stereo, the pop you get in the speakers when you turn the amp off.
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Old 24-05-2005, 16:20   #15
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Re: Car Audio Advice (Popping Sound)

What you want to do is find (or make) a track with quite a bit of silence / quiet music at begining or end. Then play this, and see if you get the same noise.
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