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Bavarian Soundwerks' Mobile Electronics Forum
Have all your A/V and electronics questions answered here. Ipods, A/V, Radar Detectors Oh My!
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Old 04-06-2011, 02:08 AM   #1
PrittyM3
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My radio keeps cutting out??? help

My radio keeps cutting out, at first i thought maybe it was because of my stiff suspension(kw v2) but now i noticed it even cuts off when im on a perfectly flat surface with no bumps... it also now just recently started getting even worse to where it will cut off every 2 secs (sometimes) while im at a stop with my engine off even. it is the same no matter if its playing the radio, a cd, or even my ipod, it always cuts off. do i need to buy a new headunit? or if anyone has had this problem what did you do???? any help would be appreciated thanks in advanced
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Old 04-06-2011, 02:50 AM   #2
Arty
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What keeps cutting off? The sound? It keeps rebooting? What system do you have?
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Old 04-06-2011, 12:58 PM   #3
fadeaway
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sounds like you have electrical issues. but then again, you are giving no details about your setup.

check your battery and alternator first, then go from there.
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Old 04-06-2011, 10:21 PM   #4
PrittyM3
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just buisness headunit(if thats what you call it) from the factory that is all. this just started happening recently. and it wont really reboot like everything will still be on but it sounds like it is rebooting ( as in it is just quiet like if it were off) theres no static or anything like that if thats what you mean. it will cut off for about 1-6 secs or so each time and sometimes it might cut off every 5 secs or so but sometimes it wont cut off for maybe ten mins. But its usually more like every 20 secs or so
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Old 04-07-2011, 02:18 AM   #5
Arty
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Could be a loose mute wire on a phone kit or a dying amp. Is it volume dependant?
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Old 04-07-2011, 12:34 PM   #6
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hmmm i am not very good with radio/electrical stuff' so i dont know what you mean sorry...haha
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Old 04-16-2011, 08:16 PM   #7
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BUMP trying to get this fixed this weekend! help!
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Old 05-14-2011, 10:22 PM   #8
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update the radio basically completely cut out now its now stopped since this morning at about 8am. about 2 weeks ago i took it to an indy shop to get it checked out and they dont know what it is but offered for them to re wire it for 350?? Can anyone help me please. im falling asleep with no radio haha!
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Old 10-05-2011, 10:17 AM   #9
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Quote:
Originally Posted by PrittyM3 View Post
update the radio basically completely cut out now its now stopped since this morning at about 8am. about 2 weeks ago i took it to an indy shop to get it checked out and they dont know what it is but offered for them to re wire it for 350?? Can anyone help me please. im falling asleep with no radio haha!
Bump.

I've been having the same issue for months. Some days, it's out for hours. Some days, it's out for 4 - 5 seconds sporatically.

I've heard Voltage regulator, I've heard battery, I've heard Amp, I've heard loose wires, etc. etc. Sound shop said it'd be $400 minimum, $1,000 max. And DAYS in the shop.
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Old 10-05-2011, 01:59 PM   #10
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i am about 95 percent sure i just need another amp. Mines completely done. I just have to wait to find a good one. Hopefully it will fix the problem
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Old 10-05-2011, 11:32 PM   #11
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Your symptoms do not sound exactly like mine, but it could be the "tuner" box in the trunk. There apparently is an issue with the solder joints on the pc boards. . . I replaced my tuner with a remanufactured unit, and have had no further issues.

In my case, the radio would usually play when I first started the car, but at some random time, half the speakers would cut out.
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Old 10-06-2011, 07:03 AM   #12
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The tuner-amp is located inside the BMW business headunit. Only nav equipped cars have a separate tuner-amp in the boot.
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Old 10-07-2011, 08:00 AM   #13
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The tuner-amp is located inside the BMW business headunit. Only nav equipped cars have a separate tuner-amp in the boot.
Is this true? My radio keeps cutting out, too. I thought it was the amp, and I thought the amp was in the trunk.
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Old 10-07-2011, 08:34 AM   #14
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There is a BMW business radio with FM tuner with 4 channel amp in the front. This drives via speaker level audio an amp in the luggage compartment on US model cars.

That dedicated amplifier is made by Lear or HK depending on vehicle specification.

That location is prone to water damage if boot lit is leaking rainwater on saloon cars.

Just like any electrical device, solder joints can go bad after time with vibration, leading to intermittent operation.

Last edited by Arty; 10-07-2011 at 08:36 AM.
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Old 12-16-2011, 04:10 PM   #15
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same problem here my radio just died on me no sound at all but it's showing that is working .
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Old 12-16-2011, 04:47 PM   #16
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Mine does it too but only left channel. It's a loose wire. Comes back if I smack the dash.

$400 sounds like they're ripping you off. The wires are tight back there and cold weather makes them contract. My plan is prop the wires better at some point.
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Old 02-10-2012, 09:39 AM   #17
Jason 330ci
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I've got similar problem where radio works fine with just ignition on but wen I start the car it cuts out and doesn't come back on ? Very annoying I've had a few people look at it but they seem to guess the problem. I've got the hk package with all the radio amp sat nav in the boot . I had the radio unit repaired but hasnt helped . Voltage problem maybe ? Regulator problem ? Or amp ?

Last edited by Jason 330ci; 02-10-2012 at 09:42 AM.
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Old 02-11-2012, 11:11 AM   #18
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I'm having a similar problem, except the unit won't power on at all. The power button does seem a bit sloppy, but think it always has (have had the car since late Nov.). The CD player ejects/accepts CDs, so there's obviously power going to it. There is a red button that keeps flashing intermittently -- had an old Audi that would periodically kick in the anti-theft and render the stereo inoperable -- but from the Business CD manual, just says that "the anti-theft is automatic. No manual code entry required". No idea if that flashing light is the issue or not.
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Old 04-13-2012, 05:14 PM   #19
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can some one give me a location of the tuner amp on sat nav cars, I think my car is staring to have this problem, is it located next to the cd changer and dvd drive?
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Old 05-01-2013, 06:58 PM   #20
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Ive been having an issue like you guys have been experiencing as well, my symptoms are that my radio will play most of the time to normal. but latley its been cutting out when I pull to a speed at about 5mph or less, or if I take a turn or just drop into first gear.... when I get into second gear it cuts back on or if I speed up enough...it doesnt seem to give me any problems if I am driving at a speed above 5mph....it doesnt happen all the time thou, frequent but not always some days more than others...some days it never happens...Hmmm anyone have any ideas of whats going on?
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