The only issue I have when playing online is a-holes who think it is hilarious to cause a huge wreck right when the race begins. But other than that, I have not had any connection issues.
It must be your internet. Sometimes, when all my room mates get on I start to lag bad and a message shows up saying weak connection. Now, if you mean the game restarts then your game is crashing and there is an easy fix for that.
My connection is fine in every game i play bf4, fiFA.... no problems my NAt is open too
I doesnt give me a message weak connection, it just lags all the time, then after 1 lap my screen turns black and then "connection with session was lost" and sometimes i cant even find lobbys