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While I already have this posted over at Rootzwiki, I figured it would make sense to post it over here for the wider audience. There may be some parts missing from here (copying useful parts over, and the thread covers a few months), but the full thread can easily be found. I am using Timur's ROM, and installing the Nexus into my 2006 Audi A4. Ever since I bought the car I have been annoyed/disappointed with the factory stereo, for one thing it has a tape deck (why a car made in 2006 has a tape deck, is something that will forever confuse me). It also has no bluetooth, no GPS, no way to add an aux input except using a cassette type adaptor. All in all, its pretty limited. My options for replacing it were either an RNS-E ($800+) or an aftermarket unit (cost of aftermarket unit + approximately $200 in wiring to get it functional).



I have already replaced everything downstream of the head unit, starting with a JBL MS8, I then have a pair of Alpine amplifiers running all of my speakers. The sound is good, but just something about the original head unit always bugged me. On an Audi forum I am a member of, I recently saw someone had mentioned they were looking to install an iPad into their dash. That got the wheels turning, and before you know it. I was holding my wifes Kindle Fire up to the dash.



Since the fitment was good, I decided to go ahead with the project. Bought a 16GB Nexus 7, I went with the 16GB because I don't plan to store a whole lot on the tablet itself. I also started ordering a bunch of supplies that I would need:

Dash kit
12V DC-DC Regulator
Fuse Tap
OTG Cable
USB Hub
90 degree mini USB connector
Sabre USB-DAC

I thought about leaving the Nexus stock for a couple weeks, but after about a day rooted it and flashed with Timur's USB ROM. I removed my stock head unit from the car, plugged the JBL MS8 into the 3.5mm output, and nothing. I then realized that the MS8 currently gets a remote turn on signal from my OEM head unit. Currently I am trying to locate a switchable 12V somewhere, but likely will end up using the fuse tap.

Here is where things look so far:



The kit is not pushed all the way back in, this was really just for test fitment purposes. Since I don't yet have the fuse tap, I want to keep my OEM head unit in there for a couple more weeks. Mental note: If you think you are going to sneeze when using a Dremel, switch off the Dremel:



In order to get the Nexus to sit flush, I had to dremel off some material on the back of the dash kit. The scratch is only noticeable at certain angles, but I may well pick up another dash kit at some point. Once my 90 degree USB connector arrives I need to figure out which of the area's in red below I need to cut some away from. They are simply plastic, that I think help hold the stock head unit in place. So I should be able to cut a notch out for the USB cable to go through:



That's about the extent of my progress for now. As I am currently waiting on a few things to arrive in the mail. Ultimately I will have the Nexus semi permanent in the dash (I want to be able to remove it if parked in high crime areas), USB-OTG cable plugged in, then a USB hub, with the USB-DAC sending signal to the MS8, and an iPod flashed with Rockbox as external storage in the glovebox for music. I plan to use my cell phone and bluetooth tethering for streaming music / navigation. At some point I am also going to pick up a Connects2 harness and Joycon to retain my steering wheel controls, and am also keeping an eye on the useage of an easycap in order to add a back up cam.

Original Rootzwiki Link: http://rootzwiki.com/topic/39361-200...-dash-install/

Edit: Had a few people asking me for the launcher, it should now be attached to this post. The black border was in order to keep the image centralized on my home screen. Along with this image I just used UCCW to create hotspots for opening the apps.
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