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BMW 3-Series (E90 E92) Forum
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E90 Hifi stereo MOST issue, lost module access
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| 08-18-2018, 11:06 PM | #1 |
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Private First Class
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E90 Hifi stereo MOST issue, lost module access
I’m having a radio issue in my E90. Got in the car and Sirius is gone as is Bluetooth. Reverts back to FM and both are missing in the Menus (non iDrive). No XM option nor can see my paired phone.
Clearly the MOST is down, and not passing through one of the modules. I have Sirius, TCU and MULF. Checked fuses and #13 was blown, little card says that’s for the Phone. Replaced with another 10amp and it blew again. Is the TCU module faulty? Any way to test individual modules? Thanks. |
| 08-19-2018, 12:52 AM | #2 |
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Lieutenant General
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Most Jumper can bypass individual most modules.
When you put it on the bad one the functions of the other modules should come back. The fact the fuse is blowing is a tell the TCU/Mulf has gone bad. The CD should still play. You might consider one of these as it gives you phone , usb and streaming music rather than a TCU that just give you bluetooth phone. https://www.ebay.com/itm/Bluetooth-A...NYyQ-s&vxp=mtr You can also bypass module but rerouting the the Most Junction blocks. Most http://www.e90post.com/forums/showthread.php?t=727663 http://www.e90post.com/forums/showthread.php?t=347222 https://www.google.com/search?q=BMW+...VCkMqy2aCK09M: http://www.1addicts.com/forums/showt...php?p=19256760 Last edited by ctuna; 08-19-2018 at 01:11 AM.. |
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| 08-19-2018, 07:51 AM | #3 | |
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Private First Class
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Quote:
Thanks for the great info! TCU or MULF. I’ll order the jumper and test. I hope it’s the TCU. |
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