I’m totally biased 
but you don’t even need to spend money.
I’d like to drop my own mod for the Bonanza here G36 Improvement Project - #2623 by Albatross75160
Bonanza Hangar
- A custom in game panel where you will manage your aircraft. This is a work in progress feature but aims to replicate some of the features found in the A2A aircraft hangar. This is still very much a WIP feature and will evolve over time.
- Added functionality to Hangar Module (we now save engine hours, miles flown, and count down to annual and 100hr service per livery) state saving items are shown on the State page (menu link at top)
Flight dynamics/performance
- Addition of the new Prop modelling and CFD dynamics.
- Adjusted climb and cruise performance to match the Bonanza G36 POH charts.
- Adjusted flap and gear drag
- Slightly reduced pitch effect due to elevator deflection + propwash
- Slightly increased nosewheel steering angle
- Added drag due to cowl flaps. This causes a 3-4 kts cruise speed loss.
- Decreased yaw sensitivity by lowering deflection rate as a function of speed
- Increased overall stability: less ‘twitchy’ feeling
Engine & Fuel system
- Completely overhauled engine parameters: realistic fuel flow, mixture-EGT interaction, engine performance at all pressure altitudes.
- Simulation of Spark Plugs & Spark Plug Fouling
- Simulation of the electric fuel pump
- More advanced simulation of engine start-up:Cold starts: correct use of the fuel pump, throttle and mixture required depending on engine and ambient temperature
- Under some conditions, idling the engine too soon after start may cause it to quit.
- Flooded engine: pumping too much fuel to the engine may cause it to ignite slower or not at all.
- Flooded engine start procedure (mixture low/cut, throttle halfway) may resolve this.
- A hot engine running idle with little airflow may quit because the fuel evaporates.
- Tweaked fuel flow as current flow slightly less than book figures (Rpt by @JayDee6281)
Systems
- Added new working systems and switches:Airco (has a negative effect on engine performance, you will see a few kts lower cruise speed)
- Airco and ventilator switches are functioning and part of the electrical system
- Annunciator test
- Electrical system overhaul:Completely revised electrical buses: all individual systems hooked up to the correct bus
- Bus tie logic added
- Correct voltage indications of BUS2 due to reverse current blocking diodes
- Correct alternator loads
- Made all indications smooth, rather than instant jumps to a new value
- Autopilot tweaksFixed holding the wrong altitude at non-standard atmospheric pressures
- Max pitch and bank angles adjusted for smoother AP behaviour
- Added maximum and minimum IAS_ref speeds for FLC mode
- Adjusted autopilot PIDs
- Integration with the Working Title NXi mod, with customized ENGINE, LEAN and SYSTEM pages.
- Completely redone G1000 annunciators: all annunciators of the real G36 were implemented (except for door open warnings)
- Corrected fuel gauge scale
- Fixed missing altitude alert tone @200ft to go
- Fixed missing decimal point to manifold pressure gauge
- Added SU8 Prop Modelling - This has changed the speeds/fuel flows it may take a little while to dial this in. At the moment the climb fuel flow is slightly lower than book and cruise is about there.
Textures & effects
- Including the latest version of Uwajimaya’s lighting mod (Uwa’s lighting mods | Updated aircraft lighting for Microsoft Flight Simulator 2020)
- Corrected decals (e.g. shoulder hardness → harness)
Checklists
- Interactive checklists for every stage of your flight that follow the POH
ATC
- You are now referenced as Bonanza > Your Callsign in the game ATC