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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 5 Series > E39 (1997 - 2003)

E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 05-26-2016, 03:32 PM
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Normdude Normdude is offline
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Location: Long Island, NY "The Hamptons"
 
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Mein Auto: 2003 530i Sport
amp test??

how can I test my amp to see if its bad or not??
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  #2  
Old 05-26-2016, 03:45 PM
edjack edjack is offline
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Mein Auto: '97 540i 6 speed
Substitution.

What is the symptom?
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Ed in San Jose '97 540i 6 speed aspensilber over aubergine leather. Build date 3/97. Golden Gate Chapter BMW CCA Nr 62319.
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Old 05-26-2016, 06:14 PM
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Normdude Normdude is offline
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Subs not working. When I hit the DSP button it says off. I really want to get them to work. I just don't wanta waste money on a amp if I don't need one
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Old 05-26-2016, 11:47 PM
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DennisCooper! DennisCooper! is offline
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Hi,

As per above, swapping in a known working DSP amp will help you fault find. Check also the 'subs' aren't failed ones as well. Is there a perceptible difference in the low end response if you switch DSP on? or does it stay the same?

Cheers, Dennis!
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  #5  
Old 05-27-2016, 01:58 AM
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Normdude Normdude is offline
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Mein Auto: 2003 530i Sport
The DSP doesn't go to "on" stays off
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