http://www.active-sound.eu/en/audi/a...air-suspension
The basic idea is this: Plug in the harness in to the trunk fuse area and be able to control the air suspension height from a phone app through WiFi.
The first hurdle was actually obtaining the device. Cete Automotive is a German company, and they don't ship to most countries outside of the EU, so I had to contact them instead. I spoke with Ferdi (who is awesome by the way, very responsive to support questions) and he processed my order manually. In total, I paid 885 EUR including shipping. Chatting, processing payment, and shipping took about 2 weeks in all.
Installation of module was pretty easy and took me about 20 mins to do. The hardest part was getting the CAN-BUS plug out of its retaining socket due to there being so little space to work with.
The module has 5 plugs:
1 & 2: Purple and grey connectors. You unplug the respective plugs from the sockets in your car, plug in the plugs from the module, and plug in the plugs from your car in to the respective socket side of the module. Exactly like you would do with an engine piggy back module.
3 & 4: CAN-BUS pins. You have to take out the CAN-BUS plug, and plug in two pins to the empty slots at position 12. Removing the CAN-BUS plug from the retaining socket was a pain in the ass because there is very little room in trunk fuse wiring area, and there isn't much play in the wiring.
5: Module plug. Plug this in to the black module box. The harness also comes with a dummy plug that you can use in place of the black module box to return the car to stock functionality without having to remove the entire harness.
Once everything is plugged in, fire up the car and connect to the wifi. The wifi connection is unsecured, but it drops after 5 mins of use and only activates when you turn on the car or switch to a different drive select mode. The phone app also allows you to set a PIN so that no one can change anything without knowing this PIN.
The module integrates with the 3 Drive Select modules (comfort, auto, and dynamic) and allows you to set a different height profile for each mode. This means you can leave comfort mode as stock height, but lower dynamic mode as much as you want. When you switch Drive Select modes, the car will automatically adjust the suspension height. There is also a 4th "Show" mode that allows you press a button in the app and adjust the height to a predetermined level (usually as low as it will go). The app itself works well, but has a few minor quirks. Once everything is setup, you won't have to use the app outside of activating "Show" mode or changing your height profile settings.
The car takes about 10-30s to adjust depending on which direction it's going (up or down, down is faster obviously) and the distance it has to go. It also retains the "Raise" functionality that comes from factory (raises the car about 1.5" from whatever the current ride height is).
I'm very happy with this module and highly recommend it to anyone looking to lower their car (and have full control over the height). At 885 EUR, it comes out to just under $1000 USD, which is much cheaper than the H&R module goes for and it gives you more features. It's a shame that this module isn't easier to obtain on this side of the pond.
The Module
Stock Height for Reference
My Custom Height in "Dynamic" Mode
Dumped (As low as it will go)
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Originally Posted by TurtleHaste
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