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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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Old 09-30-2014, 09:56 PM
Nfs021 Nfs021 is online now
What Speed Limit?
Location: Oregon, USA
 
Join Date: Nov 2012
Posts: 379
Mein Auto: 2002 540i
DSP Amp May Have Gone Bust.

Earlier today while heading home from work in glorious downtown traffic...I stalled my car Yeah I know big idiot. I was too busy seeing what was going on in a parking lot that was swarmed with cops. Never did find out what it was but oh well.

Anyways when I tried to start the car again, it wouldn't start like it had no juice. It took me about a min, but the thing finally fired back up and was on my way. I believe it has something to do with the bad battery. Yes I know I need a new one, but I have to wait until payday. Which thankfully is tomorrow.

Now when the car stalled the radio was on, but with the volume at a fairly low level. About a min after I got the car running again, I noticed a buzzing noise comming from the right side of the rear shelf. As soon As I got home I checked around and eventually discovered that the sound was comming from the right side M-sub I installed earlier this year. Quick note. When I installed the subs, I also was lucky to get ahold of a M-sub wiring harness as well so I didn't have to use the original nokia box harness. It wired into the same wire pin locations on the DSP amp that the original subs did. So earlier when I disconnected the right sub harness, the noise stopped. My first thought was that the sub went poof and I would need a new one. But after swapping it with the left side sub connector port the sound came back on the left sub.

And also when both subs were hooked up, the bass was not as powerful. So at this point would I be right to assume that the amp has shat itself? Maybe a bad ground somewhere? I've never been good at sorting out audio problems but I thinks it's most likely the culprit. Not going to drive the car right now until I get a new battery at the least. Luckily I have another car I can use until I get this situation sorted out.

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Last edited by Nfs021; 09-30-2014 at 09:59 PM.
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Old 10-01-2014, 06:19 PM
Nfs021 Nfs021 is online now
What Speed Limit?
Location: Oregon, USA
 
Join Date: Nov 2012
Posts: 379
Mein Auto: 2002 540i
Anything? Lol

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