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      01-24-2019, 06:45 PM   #1
tokki
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Speakers blown in brand new M2C

Hi guys, I turned on my car today and was instantly greeting with very loud booming and crackling coming from the speakers. The sound continued for a few minutes regardless of whether I had the volume muted or not. Now, theres no more crackling but I have no speaker functionality whatsoever. Rainy and moist day here in New Brunswick, Canada. I'm guessing moisture got in somewhere and created a short. Anyone have any advice?
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      01-24-2019, 08:09 PM   #2
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Had a similar problem in my M235i. It would happen randomly, but would self correct after turning off the car for an extended period of time. On the next start up everything was fine. Have you tried parking it for a few hours and retrying?
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      01-25-2019, 12:26 AM   #3
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Quote:
Originally Posted by orangeglim View Post
Had a similar problem in my M235i. It would happen randomly, but would self correct after turning off the car for an extended period of time. On the next start up everything was fine. Have you tried parking it for a few hours and retrying?
I'll def try again tomorrow but the way it sounded through the speakers, I feel like some sort of damage took place. Thanks for the advice!
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      01-25-2019, 01:50 AM   #4
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Sounds like water/moisture has got in the amp. Well known problem, the crackling and booming can be ear splitting and puts the shits up you when it happens. There’s a vent directly above the amp left hand rear arch which is poor design imo, have a check if it’s dry in there. Trip to the dealership as it won’t get any better, had my amp swapped last year and now my ASD module has gone pop.
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      01-25-2019, 10:25 AM   #5
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Quote:
Originally Posted by Philb65 View Post
Sounds like water/moisture has got in the amp. Well known problem, the crackling and booming can be ear splitting and puts the shits up you when it happens. There’s a vent directly above the amp left hand rear arch which is poor design imo, have a check if it’s dry in there. Trip to the dealership as it won’t get any better, had my amp swapped last year and now my ASD module has gone pop.
That was my initial prediction. You're right, my gf who was in the car with me thought the car was blowing up lol. Definitely made us jump.

Easiest way to get access to the amp? Through the trunk?
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      01-25-2019, 10:44 AM   #6
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Yep this guide for fitting the ASD bypass harness is good.

https://www.2addicts.com/forums/show....php?t=1202389
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      01-25-2019, 10:48 AM   #7
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Quote:
Originally Posted by Philb65 View Post
Yep this guide for fitting the ASD bypass harness is good.

https://www.2addicts.com/forums/show....php?t=1202389
Thanks! In case the amp is toast, what are the chances my speakers are too?
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      01-25-2019, 11:51 AM   #8
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Quote:
Originally Posted by Philb65 View Post
Yep this guide for fitting the ASD bypass harness is good.

https://www.2addicts.com/forums/show....php?t=1202389
This is the link I was going to send. It says to remove the trunk seal to get the back plate out. Don't do that! It's a super huge pain in the ass to get the seal back on. You can remove the back plate without removing the trunk seal. This will make your life much easier when it's time to put it all back together.

Then again, why pull it all apart anyway? It's under warranty, let the dealer figure it out.
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      01-25-2019, 12:23 PM   #9
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Definitely sounds like the amp problem. It's pretty well documented
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      01-25-2019, 12:30 PM   #10
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Quote:
Originally Posted by tokki View Post
Thanks! In case the amp is toast, what are the chances my speakers are too?
Your speakers will probably be ok, mine had a good work out when my amp went but they mostly seem fine.

Now the ASD is playing up I’ve got noise from the sub under the seat so not sure if it’s the ASD module or the speakers given up. Will find out on the 1st feb when the dealer has a look.
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      01-25-2019, 01:25 PM   #11
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Quote:
Originally Posted by Philb65 View Post
Your speakers will probably be ok, mine had a good work out when my amp went but they mostly seem fine.

Now the ASD is playing up I’ve got noise from the sub under the seat so not sure if it’s the ASD module or the speakers given up. Will find out on the 1st feb when the dealer has a look.
Thanks again man, I will report my findings as well once I get my dealer to take a look in a couple weeks.
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      02-12-2019, 11:08 PM   #12
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Just had my 2018 in for weird speaker noises, they replaced the amp, after first pulling off both door panels and swapping speakers between them, and then temporarily re-pinning the harness back at the amp (to make sure it wasn't wiring, I guess).

After they finished their troubleshooting, then I guess the new amp was approved and now everything is working again... except they re-coded the car so some of my shit was factory defaulted again.
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      02-14-2019, 04:02 PM   #13
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Quote:
Originally Posted by ZPrime View Post
Just had my 2018 in for weird speaker noises, they replaced the amp, after first pulling off both door panels and swapping speakers between them, and then temporarily re-pinning the harness back at the amp (to make sure it wasn't wiring, I guess).

After they finished their troubleshooting, then I guess the new amp was approved and now everything is working again... except they re-coded the car so some of my shit was factory defaulted again.
Yep, dealer replaced my amp and everythings working again.. For now.
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