A number of options are available for those wanting to rent a car on arrival into Bali. Arrangements can be made online and prices are cheap compared to that of many other countries around the world. An international drivers license is required when driving on the roads in Bali and if pulled over Police may request to see a copy of the license.
In the event you are involved in an accident your travel insurer may deny any medical or other claims made as a result of not holding a valid international licence.
Under Indonesian law there is no blood alcohol limit imposed in Bali. As a consequence of being in a traffic accident where alcohol is involved, police will treat drivers harshly and any insurance policies will also be invalid as a result of driving with alcohol in your system.