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04-06-2017, 03:00 AM | #23 | |
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http://www.realoem.com/bmw/enUS/partxref?q=7841379 cheers
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04-09-2017, 04:31 PM | #24 | |
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I would try to install it without it first though, and if it doesn't work, add the jumper in. |
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04-11-2017, 05:06 AM | #25 | ||
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04-28-2020, 09:11 PM | #27 |
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Hi guys.
Just installed the individual audio amp in my E90, replacing the L7 setup. Just wondering about this wire: The 4-pin wire in the same connector as the MOST optical bus. How did you guys find out about shorting pins 1 and 2? Looking at pics of other cars with this setup from the factory, seems that only pin 1 is connected, via a red/back wire. So far no amount of searching in TIS seems to indicate this wire exists. Could it be a remote turn-on wire? or a vehicle speed-related wire? |
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04-29-2020, 03:30 AM | #28 | |
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04-29-2020, 07:19 AM | #29 |
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Thanks ccfj1. Thats just the part that doesn't make sense. I mean, I know that it works to do so, I've tried it and it works, BUT cars that have this audio setup don't use a jumper.
They only have pin 1 wired. Seems that what really needs to be done would be to use the power from the same pin 1 on the same connector (shared with the MOST optical bus) from the CD changer (X18180). The reason being that the AMP, when powered by the higher power 2-pin connector has permanent power. If you short the pins 1-2 on the 4pin connector, the AMP is at very least partially ALWAYS powered. Sure the MOST bus contains the remote AMP power on command, but how would the amp read the MOST bus without power to its MOST circuitry. This is where pin1 of the 4pin connector comes into play. If connected to the same pin on the CD changer connector, it is connected to the 30g power bus. It only receives power when needed. Hope what I'm saying makes sense. Last edited by GtiGyver; 04-29-2020 at 07:27 AM.. |
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04-29-2020, 07:58 AM | #30 |
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Well when i did mine (base stereo to Ind), my amp was powered from the 20pin connector (same as the speaker wires).
My amp is powered all the time. The 2nd 2pin power plug is just that main power. The 4pin must be 1+2 (no power, jumpered). The fibre Most lead provides the canbus power on signal that switches the relays inside the amp, the amp is powered all the time, but it sitting there waiting for power on (bit like a tv in standby mode). Basically, it uses CanBus ARID 0x130 wakeup, and wakes up and powers the amp and makes it ready. Radio will wakup and power on with ARID 0x130 40 (wake with no key, as in press volume button on to play stereo). ARID 0x130 41 (key in, stage 1), ARID 0x130 45 (key in stage 2).
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04-29-2020, 08:45 AM | #31 | |
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I'll let you know. BTW, what does ARID stand for? I'm assuming it is a direct equivalent to CANBUS message IDs? |
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04-29-2020, 09:11 AM | #32 | |||
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When i installed mine, i used a 55Amp trip switch/relay, and if needed i can disconnect the amp from the car. Quote:
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07-05-2020, 06:34 PM | #33 |
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Hi guys, I need your help. Just finished retrofitting 677 into my e70 which came with base audio system and CIC from factory. Managed to code the car and sound is ok but my problem are chime/gong/Bluetooth or navigation voice. Volume on those is very very soft and yes I put everything on max from menu. Does anyone have a clue how to fix this? I wonder if I manage to find someone with Icom to update amp module would that fix it? Car is 2009 and CIC has been updated around 2011 but apparently the amp is 2007 update and maybe the donor car had CCC judging after the manufacture year.Any help is greatly appreciated 🙏
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03-04-2022, 06:09 AM | #34 |
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IA Install
hi, I'm looking to do this. Did it not power up with the power and ground from the main wiring loom? If not, did you remove these wires before running the separate power and ground feeds from the battery?
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09-04-2022, 03:56 AM | #35 | |
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09-24-2022, 12:45 AM | #36 | |
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Also do you remember wich module you had to add the $752 VO? Thanks! |
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06-07-2023, 11:04 AM | #37 | |
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retrofitting e89 from the basic stereo to the 676 hi-fi
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Hello there, sorry to bring this topic up again and also for the z4 but I have not found anyone who has done something like this. This thread is the closest I have found. Basically I have the basic system in BLUE and I want to upgrade to the YELLOW. I was wondering if you could give clarity to 3 points: 1) if the amplifier I am using does have the MOST, I do not really see it but can you confirm. attached pictures 2) how I would connect the amplifier it to the head unit CIC. 3) also if you can give more clarity as to how you change the $676 code for the order, and what is the recoding you do on the CIC? Last edited by MaxSheperd; 06-07-2023 at 11:06 AM.. Reason: forgot picture |
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06-24-2023, 01:31 PM | #38 |
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Hi guys, I have 2008 135i with CCC, factory logic 7 amp getting replaced with top hifi with dsp amplifier from 2017 bmw m6, everything was plug and play except I had to jump pin 1 and 2 to get it powered on. Coded the vehicle from 677 to 677 then to 752, has no sound any ideas?
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