Choosing individual parts instead of stages.
Being able to set your car up for road use and track use.
A lot more car,the current amount is starting to get boring.
Night time.
Weather.
More Japanese cars.
Another race track or two.
Around 20 people in a server.
Places to meet up at for cruises. e.g Restaurants,bars etc....
Hotel for when you just start out and don't have enough money for a house.
Being able to modify the exterior of some cars.We need to be able to modify the Skyline and 350z etc.How often do you see a standard Skyline? Obviously,no modifying the exotics,they're perfect as it is.
People being able to enter your house with permission,would be handy for trading etc..
Outdoor garages.
Buying land and then creating your own house.
Being able to choose your own brand and type of tyre. e.g choosing a Dunlop 245/45/17 instead of a Michelin 235/50/17 etc..
Wipers.
Roofs going up and down in convertibles.
Putting your own furniture in your house.
A clutch.
More bikes,R1,R6,Gixxer and Hayabusa please. ;)
Changing your character mid game.
Having to take a driving test.
Turbo lag.
Dump valves.
Your car needs a service and new tyres after a certain amount of miles.
Bigger island/place.
Distinguishable engine sounds e.g no car sounds the same.
Letting friends go in the passenger seat/rear seat of your car if your cruising around. This would reflect on the weight of the car.
Damage.
Spending hospital time if you have a big wreck.
Insurance.
Being able to give money to people.
DLCs and patches on time,joke. ;)
I know some of these would take away from the driving aspect of the game but they would be extremely fun all the same...