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01-12-2023, 04:37 PM | #1 |
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Retrofit Combox connections help
Hi all,
Am new to this and very confused so please be gentle. I’ve searched and watched YouTube videos but not been able to answer this. I have retrofitted a cic. I’m now retrofitting a combox having had a mulf2 and tcu before. I had a usb in the centre console and also a phone cradle. Before removing the TCU it had space for four fakras going in to it. Though I can only see three. Beige Blue Black and Pink. The Mulf also had a black hsd for the rear usb port. I know the beige is the Bluetooth aerial, but I’m wondering what the others are. The combox is now in and I’ve enclosed a photo of the connections that confuse me. the beige fakra BT is connected (bt aerial) the black is the usb HSD from the armrest that was previously connected to the MULF. the Blue is also an HSD connector and I’m told that is for the mobile phone cradle. Is this true? and if so, since I had a mobile phone cradle from the factory, why do I not have another suitable connection somewhere already to go in here? How did the cradle work before? should there be a blue fakra somewhere? Finally there are two remaining connections that are paired together. I bought an adapter kit off eBay that separates these into two fakra tales. The only free fakras I have left are the pink and black there were plugged in on the right of the TCU. Do these plug in there? I all because in two youtube ret try of it videos, it says don’t worry about connecting these. I’m not worried but I would like to use facilities if I have them. A friend with a similar high spec coupe sent me a pic of his combox and all five connections were populated, his was cic from the factory though. Any help would be really appreciated. Thanks. Adam Last edited by Adam M; 01-12-2023 at 04:43 PM.. |
01-12-2023, 07:32 PM | #2 |
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I've recently done this retrofit. You need to use realOEM and NewTIS to help answer your questions.
Some of the connections are retrofitted and technically "not correct" for the application. But because they are still an "antenna" it works just fine--the bluetooth connector on the combox being one of them. Of the two arrows you selected, the one on the right has to do with your SOS I believe. This was a service subscription you would get with the car. In the event you wrecked, there was a way to call emergency services and know your location in such of an event.
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01-12-2023, 08:41 PM | #3 |
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Wiring Configuration of CIC retrofit and COMBOX
Pictures are worth a 1000 words...
There is a TYPO in the TIS information as there is no X13907 connector (that I could find, or what it's supposed to be...I dunno..the next subsequent connector is an X1908) So then it's supposed to be the 7 but mistakenly 6?.... Anyway....take a look of what I put together.
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01-13-2023, 12:57 AM | #4 |
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Ok that’s a really clear explanation - thanks so much!
I did/do have a telephone cradle but have no idea where it was connected on the mulf2/tcu. I can’t find anything that resembles another HSD plug that I can simply insert or adapt into the combox. Also the gps antenna is now being used as the Bluetooth antenna? I see that on the pin out but had read that the mulf2 and tcu share the Bluetooth connection with both have a beige plug socket (but only one wire). I don’t think in have the blue fakra locally which would be the real Bluetooth aerial. |
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01-13-2023, 08:54 AM | #5 |
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The Blue socket is for the Media version of the phone socket, but looking at the phone cradle you can't tell without removing it. As you didn't have the Combox before then yours won't be a media version, hence you won't already have the cable. Forget it as you won't get Media working from the cradle anyway, I've tried, others have tried and it just doesn't retrofit no matter what.
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2011, E89 23i, Grey with Red leather.... relatively basic (getting less and less basic with every new retrofit)! My Z4 E89 YouTube channel... https://www.youtube.com/channel/UCtt...0vHFUQnoEvKB2Q |
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01-13-2023, 09:16 AM | #6 |
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Dave,
Thanks for all your help. Can you explain one thing to me though? If the cream/beige fakra is the GPS aerial, how is it that my car with both a MULF2 and TCU from the factory with factory loom, does not have a bluetooth aerial? I have bought one from ebay for the Combbox but I'm not sure how my phone was connecting before. |
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01-13-2023, 09:28 AM | #7 |
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It is of course possible that the beige fakra was actually plugged in to the MULF2HI, I can't know this because I wasn't the person who unplugged it initially and we didn't take pics.
So maybe it was plugged into the bluetooth aerial connector all along? |
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01-13-2023, 10:26 AM | #8 |
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One more question while I'm here.
I bought a kufatec adapter for the combox that connected to both the TCU and MULF2 multiplugs, it also needed a can hi and lo that I connected up to the rear parking module. Why is it that I on at least two youtube retrofit videos where they have had both MULF and TCU, they havent bothered connecting to the MULF multiplug, just closed the most loop and left it unconnected? What functionality will I get that they won't, and if nothing, why did I bother? |
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01-13-2023, 10:43 AM | #9 |
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Adam,
This may be of use to you, scroll down to post 5 & 6... https://www.e90post.com/forums/showthread.php?t=1462331 I've also attached a pdf that may have some very useful info in it...
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2011, E89 23i, Grey with Red leather.... relatively basic (getting less and less basic with every new retrofit)! My Z4 E89 YouTube channel... https://www.youtube.com/channel/UCtt...0vHFUQnoEvKB2Q |
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01-13-2023, 10:50 AM | #10 |
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So that thread suggests,
just like everyone whoever talks about this retrofit, that the beige fakra is indeed the bluetooth antenna, yet the pinout you provided above says it's the GPS. Still confused but I'm now reading the pdf. Just read the PDF, also refers to the white fakra as bluetooth antenna although in his case it was plugged into the MULF not the TCU. Last edited by Adam M; 01-13-2023 at 10:59 AM.. |
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01-13-2023, 12:33 PM | #11 | |
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Quote:
Hope that claryfies it for you
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Dave
2011, E89 23i, Grey with Red leather.... relatively basic (getting less and less basic with every new retrofit)! My Z4 E89 YouTube channel... https://www.youtube.com/channel/UCtt...0vHFUQnoEvKB2Q |
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01-13-2023, 01:41 PM | #13 | ||
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Suspect TYPO in TIS
Quote:
My vehicle order has the S6FL and NOT the S6NF. Perhaps vehicle order with the S6NF will have this BT antenna harness present...but I'm not sure. Quote:
So then it HAS to be a typo or something... OP, I had the same concern as you did, but in the end, it still worked. (that PDF isn't exactly a walkthru for our cars; e63 for a 6 series)
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01-18-2023, 11:22 AM | #17 |
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It looks as though my kufatec loom adapter is shit!
(Edit - it’s fine - poor workman blaming his tools - tested and wired exactly as it should be). Last edited by Adam M; 01-18-2023 at 02:50 PM.. |
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