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  #1  
Old 05-22-2013, 10:35 PM
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Replaced Amp due to water, does radio have to be reset?

I have a 2004 BMW X5 4.4i. The amp was fried due to water standing. Hopefully we have stopped the water, however not sure. I bought a replacement amp off Ebay and after installing the amp, the radio stays on for 30 seconds. Does this have to be reset by dealership or do I have another option? Thanks.
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Old 05-23-2013, 01:31 AM
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my right side pano roof drain flap was stuck and my battery tray filled with water damaging my radio module,
i got a used radio module from ebay and installed it, everything works

but i still get an intermitted front L tweeter on/off so i will swap my amp one of these days when it starts to annoy me

u dont need to code radio module i can tell u that forsure
amplifyer i am not sure but i doubt it needs coding
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Old 05-23-2013, 09:29 AM
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Actually I meant does the amp need recoding, not the radio. Thanks.
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Old 05-23-2013, 01:28 PM
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Quote:
Originally Posted by Gurjit View Post
my right side pano roof drain flap was stuck and my battery tray filled with water damaging my radio module,
i got a used radio module from ebay and installed it, everything works
This is only true if the OP has the Nav Radio, which he doesn't say. If he has the regular mid/cd player there is no radio module in the back that would be causing this.
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Old 05-23-2013, 01:44 PM
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I dont have NAV, just DSP.
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Old 05-23-2013, 12:38 PM
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Read the rest of my post at the bottom
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04 black on sapphire 4.8is personally put 90,000kms
fully loaded minus the fold out trunk floor
-20' DUB X10 3 piece rims staggered setup
-LED angel eyes + interior lights + e70 style shifter
-AFE stage 2 intake system
-x-pipe/resonator delete
-UV coat windshield
-rebuilt Pano roof
-dynavin N6
-all front and rear end suspension parts and both front cv shafts replaced
-OEM hitch

And 2007 GSXR750
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Old 05-23-2013, 02:19 PM
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In this case, the amp will work, but it should be coded to your e53 if it didn't come from another e53 that is equipped just like yours. With your new/used amp cutting off...there's obviously an issue...not sure what it is, though.

The e38/e39/e53 uses the same amp, but it is coded according to the specific vehicle and how it is optioned. An amp for any of the aforementioned vehicles will play in the others, but the sound may be muddled & never quite as clear as it could be due to the interior dynamics and audio configuration not being the same in all the vehicles.

The only way to really get around not having to recode a used amp is to get one from a BMW that is the same model as yours and is configured with the same options etc. If you have someone near you that has the equipment to communicate with all the modules in your BMW...you can give it a try...but with the amp cutting off as you mention, that kind of sounds like the normal issues of a dying amp. (just a thought)
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Last edited by Qsilver7; 05-23-2013 at 02:25 PM.
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Old 05-23-2013, 02:25 PM
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And is the recoding something that only the dealership can do, or can an audio shop do it? Thanks.
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Old 05-23-2013, 02:33 PM
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No, a dealership is not the only place, but you will need equipment (software & hardware) that can communicate with the BMW BUS system. And you everyday audio shop probably doesn't have this since it is BMW specific.

The software/hardware is the stuff you read everyday on the forums about owners doing diagnostics with their laptop and cables that they hook up to the vehicle...which can communicate with BMW's proprietary communication bus system:

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