ok, so parts are arriving nicely now for the air ride, but I've had a nightmare the last month with certain company fixing my front hood and bumper paint work and then having clear chipprotect replaced. So I recieved my car back and Chipprotect with-in a few days started to bubble up [headbang] so I called up and complained and asked them to fix it. Short story, I had them pull all of the chip protect off and this is what happenned to the front bumper paint

Lucky the rest of the bonnet/hood and wings/fenders are ok.
Now at this point I said, I am getting my painter to fix the bumper, so the car is with painters now and should be all fixed by next Weekend, bumper coming off and being done properly, I am also getting the new chipprotect installed after the paint has cured for week.
So while I had the car back (Few days) I started on measuring up the rear spare wheel area as this is where I am going to install the Air ride. I only have Air tanks left to order, so I needed to confirm what I needed, so here goes!
I did a load of research and most of the tanks sizes I found and was adviced on was either 3 or 5 Gallon tanks and due to I needed to put tanks into the spare wheel area, I am going to go with 3 gallon tanks, most of these come in these sizes;
3 Gallon tanks
17 x 6.5
17 x 7
18 x 7
19 x 8
20 x 7
So I now needed to confirm size I needed, so I made up temp tank, by using a round pillow, bubble wrap and paper

[wrench]
First take round pillow, hopefully the other half won't see this update! [

] and wrap bubble wrap around it until you get the required height, I started with 7'', then taping paper together, you then wrap the paper around the bubble wrap, I did two of these, so I can adjust the paper inwards or outwards, to get to the required length I wanted.
Pillow with bubble wrap

Paper that slips over pillow and bubble wrap

I put all together

I then measured from 16'' to 20'' marks on paper, so I know the measurement length

Now onto testing out in the car, this is at 20'', looks very small...

I pulled back the cover and there is a nice gap between the top cover and the spare wheel cover

Then removed the spare wheel cover and here is wht you see, I then measured three locations, give me rough idea

Now with wheel out, I placed the temp Air tank in two locations that I wanted to confirm measurement, to confirm the size I require to order;

I also measure the depth from bottom to the top as well as the tank.

So I now know I will need 17.5 to 18'' L x 7'' H tanks and I have 13'' in depth, so I can easily place the compressors as well, which are AZ OB2

Once I get the Audi back, I will update on front and rear bumper work that was done and then fully onto the Air ride installation.