2007 530XI Audio and Speaker Issues
#1
New Members
Thread Starter
Join Date: Jun 2021
Location: Pennsylvania
Posts: 5
Likes: 0
Received 0 Likes
on
0 Posts
My Ride: 2007 BMW 530 XI Sedan
![Default](https://5series.net/forums/images/icons/icon1.gif)
I have a 2007 530XI Sedan. I believe my car uses the HiFi audio system. It uses the small Harman Becker Amp, it is not Logic 7. I have the CCC IDrive with Sirius XM, Bluetooth and no navigation. About a week ago I was driving and my rear right deck speaker started making a loud crackling noise. I pulled over and turned the car off, I could still hear the crackling. Eventually it stopped but I could only hear bass coming out of the subwoofers under the front seats. The next day I noticed my audio was working again but the speaker that was making the crackling noise was dead. I swapped the rear deck speakers and the issue did not follow the speaker, it stayed on the rear right side. I also noticed the rear right deck speaker, although not playing any audio, would get very hot. I then ordered a replacement Harman Becker Amp and installed it, the issue persisted. When a speaker is connected to the rear right channel it appears to get hot even when the amp is unplugged. I have also got the high battery drain warning a couple times. Any thoughts? Some people say the TCU or CCC leads to audio issues but I am not sure what it could be.
#3
New Members
Thread Starter
Join Date: Jun 2021
Location: Pennsylvania
Posts: 5
Likes: 0
Received 0 Likes
on
0 Posts
My Ride: 2007 BMW 530 XI Sedan
![Default](https://5series.net/forums/images/icons/icon1.gif)
Do you mean the resistance on the actual speakers or the resistance on the wires that plug into the speakers? I have taken an ohm reading on both speakers while the are unplugged and they read about 3.4 ohms.
#4
Super Moderator
![](https://5series.net/forums/images/ranks/veteran_army.png)
Join Date: Jul 2011
Location: Augusta, GA
Posts: 3,600
Likes: 0
Received 312 Likes
on
299 Posts
My Ride: 05 530i M54
Model Year: 05 530i
Engine: 3.0 M54
![Default](https://5series.net/forums/images/icons/icon1.gif)
Your issue is not with the speaker or amp. It's with the CCC/TCU or something on the line. Have you ran it for errors yet? I wouldn't spend any more money until I actually knew. Put a loop on it and you can narrow it down at least.
#5
New Members
Thread Starter
Join Date: Jun 2021
Location: Pennsylvania
Posts: 5
Likes: 0
Received 0 Likes
on
0 Posts
My Ride: 2007 BMW 530 XI Sedan
![Default](https://5series.net/forums/images/icons/icon1.gif)
#6
Super Moderator
![](https://5series.net/forums/images/ranks/veteran_army.png)
Join Date: Jul 2011
Location: Augusta, GA
Posts: 3,600
Likes: 0
Received 312 Likes
on
299 Posts
My Ride: 05 530i M54
Model Year: 05 530i
Engine: 3.0 M54
![Default](https://5series.net/forums/images/icons/icon1.gif)
I don't know the capability of the 510. If it can show error messages and not only CEL codes then that would be a start. The loop I'm talking about is a MOST loop. You can grab one off of Amazon for cheap. When the loop is applied you're able to bypass modules thus narrowing down your issue.
#7
Super Moderator
![Default](https://5series.net/forums/images/icons/icon1.gif)
I don't know the capability of the 510. If it can show error messages and not only CEL codes then that would be a start. The loop I'm talking about is a MOST loop. You can grab one off of Amazon for cheap. When the loop is applied you're able to bypass modules thus narrowing down your issue.
#8
Super Moderator
![Default](https://5series.net/forums/images/icons/icon1.gif)
I meant across the wires that go to the speaker, with the speaker disconnected.
#9
New Members
Thread Starter
Join Date: Jun 2021
Location: Pennsylvania
Posts: 5
Likes: 0
Received 0 Likes
on
0 Posts
My Ride: 2007 BMW 530 XI Sedan
![Default](https://5series.net/forums/images/icons/icon1.gif)
I don't know the capability of the 510. If it can show error messages and not only CEL codes then that would be a start. The loop I'm talking about is a MOST loop. You can grab one off of Amazon for cheap. When the loop is applied you're able to bypass modules thus narrowing down your issue.