I made some (new) updates to the P180 in several places: visual, sound, flight model, systems, interior objects and instruments.
Visual:
I added ALS fuselage and glass reflection effects, interior shadow effects, animated rain.
I added instrument lights and external ALS navigational lights.
Sound:
I added and tweaked various sounds, now it also has rain, wind and thunder sounds, plus engine starting, stopping, ground sounds, etc..
Flight model:
It was kind of slow compared to the real one and I also updated it for the EVO version which is capable of 402 KTAS at 31000 ft and now has 1800 RPM and is quieter.
Yasim refused to go even close to that speed so I had to force it in some places.
Now it can cruise at 402 somewhere in between 10000 and 15000 ft in level flight and it's slightly faster than that at lower altitudes and slightly slower above this.
I also added more fuel for the extended range version.
I might have made it slightly more fuel economical than the real version, I am not sure if the official range includes some extra safety or not, but it should be able to reach that range without problems.
I also made changes to the aerodynamics and control surfaces to make it smooth to handle after the increase of weight, power and lift and decrease of drag and to assure that the default autopilot can handle it well including following complicated way points from the route manager.
Interior objects:
I added seats in the passenger cabin taken from the Tecnam P2006T, the interior is not luxurious business class at it should be but that is what I could do with the objects I found in my collection.
I also added a passenger view.
Cockpit, systems and instrument changes:
I doubled the main glass instrument for the copilot and added 3 new analog instruments for speed, altitude (with adjusting knob) and vertical speed indicator.
I tried first to make a glass cockpit by taking instruments from planes like airbus liners but they had too many things to connect behind the scenes so that's why I added only the basic things that I could.
I also added a dual throttle control, it also works to make differential throttle with the mouse wheel.
I added two buttons: a red one that starts and stops the engines (simple and fast, not realistic) and one white that starts the new lights I added: instrument lights, and 3 external navigations lights.
I also added keyboard links and a menu for starting engines, toggling lights and doors, just press "s" to start.
In the end I would probably could have added those glass instruments, I didn't know I was going to make so many changes but for my needs this basic version is enough, although I wouldn't mind is someone adds more
Here is the download link: https://www.dropbox.com/s/1p52jehrqqmesoe/P180R9.zip?dl=1 (updated on 8 December 2018)
I don't keep things for a long time in my dropbox so if someones wants you can put it in somewhere, maybe update the official repository if the maintainer agrees.