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Definitely heater matrix by the sounds of it

Hi, So I’ve been having an issue with my A3 2.0 TDI (CUNA) loosing coolant on a regular basis and ,after an inspection from a local specialist, they have informed me that the likely culprit is the Charge Air Cooler since they found a whole load of coolant around its sensor. Apparently it’s also...

Thought I’d post some photos of the final out come. Unfortunately I spilt some of the glue when I was trying to glue the USB port into place so I’ll have to clean that up at some point.

Front and rear? Or just front?

I totally agree. Even though it was a pain in the balls, I did actually have some fun experimenting with all of these different solutions and learnt quite a bit along the way.

Well, it was more work than it was worth but I eventually got what I wanted. I decided to go with @malteso original suggestion and dremelled a hole next to my existing AMI connector and glued a USB extension in place. I then fed the wire underneath the centre console, following the tracks of the...

Sorry if I didn’t make it clear. My car is a PFL A3 and it has just a single AMI port underneath the armrest. The new module that I have bought has the AMI and the USB Charge Only connector. I have fitted a module from AliExpress that allows me to access CarPlay on my PFL A3 and I wanted to...

I am planning on shaving the plastic moulding around the USB so that the connector is exposed inside the housing. Hopefully that should fit.

No. I need the AMI port to be functional as the AUX output is what’s used by the CarPlay module to put out sound. Yeah I know what you mean. This might be more complicated than I first thought. I’m tempted to modify the housing of the new module slightly so that it can accommodate my old...

Also, I've just read this thread: https://www.audi-sport.net/xf/threads/ami-usb-retrofit.353258/ Seems like the actual Fakra connectors may be different between the 2 modules. I'm guessing that there's some kind of adapter?

I’ll try and take some more photos later tonight. So if I’m adding my own wires, does that mean I should remove the Fakra connector from the PCB and feed the power and data wires through the resulting gap? Or would it be a case of still using the Fakra connector to provide power to the USB...

So in theory, removing R33 will activate the data pins on the existing USB port?

Sure. Here you go

Right. Taken some pictures and this is what I have. What do I need to solder/desolder?

After ages trying, I finally managed to disassemble the module. I’m addition to the clips at the bottom, there are also a pair of clips hidden away inside the housing parallel to the clips that are visible. All 4 clips have to be disengaged at the same time and the you can wiggle the inner PCB...

On closer inspection, it seems like those 2 clips are the “wedge” type by which I mean they are set and have no flexibility to move at all. I’ve bent the plastic housing around them slightly to disengage those two clips before I realised there’s also two hidden away on the other side. Again, I...

Trying everything I can but it just doesn’t seem to want to budge! Don’t suppose there’s a video or a guide out there?

Right, I’ve received the new AMI module but I have no idea what’s the best way to take it apart. Any suggestions?

I might give that a shot if I have some free time. I have to take the centre console out to replace the heater matrix one of these days so might attempt it then.

Ok no problem. I’ll PM you as soon as I get one. Hmmm. I guess I would have to dremel the plastic to make a new hole?