When you buy fuel/autogas for 4 times at least at 125 TL or more from Koyuncu Shell Stations on different days between the 01st August- 15th of September 2018, you will gain 25 TL bonus/discount valid at your fuel/autogas purchasing from Bonus member Shell stations. Card holders who will attend to the special offers through BonusFlaş application will gain 30 TL bonus.