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BMW 3-Series (E90 E92) Forum
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E92 Professional Radio Dead Problem with SOS malfunction (HI TEMP)
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| 10-30-2013, 11:38 AM | #1 |
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E92 Professional Radio Dead Problem with SOS malfunction (HI TEMP)
Hi Folks,
its long strange story happened to me two days ago, i have 07 328i with the Professional Radio system (NO NAVI), i drove the Car from VA to NY for 5 hours and the Radio was working fine all the time (Switching between Radio, CD Player & Talking over the BT). on my way back to VA the Radio was working until Error Message show up in my Small Radio Screen Says " HI TEMP" then the Radio shut off  !! i tried to switch it on again but there is no way to do it so i just keep driving and waited until i got home with the HI TEMP Message showing up. i let the Radio cool down for like an hour then went to see if this will help but it was completely dead with SOS Malfunction on the Cluster  .i have checked all the fuses all of them are fine all plugs connected properly & No water leaks to the Amplifier. is there anyone have same issue with his Radio ? please let me know what to do, is there any way to Diagnostic the problem before i take it to the Dealer and let them rip my Pocket  . Thanks |
| 10-30-2013, 12:25 PM | #2 |
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Could be anything on the Most BUS
SOS error Could be anything on the Most BUS
Which means radio , amplifier , TCU (telephone control unit) Check for fans running on amp and TCU. TCU is under the trunk floor right behind the passenger seat. I would think an overheat message would most likely come from the amp or TCU. And if it came from the amp you would probably have the L7 system as the Hi Fi is analog all the way. Obvious thing to do would be to swap out the radio first but I don't suppose you have a spare radio setup for whatever system you happen to have. What is the Most Bus? read these http://www.e90post.com/forums/attach...2&d=1260829447 http://www.bawarec.ru/manuals/3er/e9...3er-e90-12.pdf If you had a coding setup or bavtool you could check for codes. It would be good to know which system you have the pro radio does not identify it . It will be either Hi FI or L7 in a US 07 car. http://www.e90post.com/forums/showthread.php?t=352586 http://www.e90post.com/forums/attach...2&d=1266451970 Last edited by ctuna; 10-30-2013 at 12:46 PM.. |
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| 10-30-2013, 01:14 PM | #3 | |
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BTW i have an aftermarket AMP can i replace it with the OEM to check if the AMP is the porblem ? |
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| 10-30-2013, 02:50 PM | #4 |
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You need to identify your system
You need to identify your system
The two possibility are Hi Fi and L7 .(l7 also called top hi fi or Hk sometimes) Basically nothing subs for and L7 amp because of the fiberoptic connection to the amp. If you have Hi Fi you can put and aftermarktet amp in pretty easily with a Technic Harness . It should be and amp that supports balanced inputs though. It you have a center speaker in the dash and graphic equalizer controls you have L7. BMW stereo types http://www.e90post.com/forums/showthread.php?t=352586 http://www.e90post.com/forums/attach...2&d=1266451970 http://www.e90post.com/forums/attach...2&d=1260829447 http://www.e90post.com/forums/showthread.php?t=343673 http://www.e90post.com/forums/showthread.php?t=138949 http://www.e90post.com/forums/attach...1&d=1209780605 http://www.e90post.com/forums/showthread.php?t=641323 http://bmwcoders.com/forum/3-er-8/bm...1-e92-e93-291/ http://www.e90post.com/forums/attach...1&d=1209780865 http://www.bawarec.ru/manuals/3er/e9...3er-e90-12.pdf http://www.musicarnw.com/page-2/ http://www.e90post.com/forums/attach...4&d=1278871872 Last edited by ctuna; 10-30-2013 at 03:39 PM.. |
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| 10-30-2015, 03:26 PM | #5 |
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