Preheat oven to 175C.
Lightly grease your bundt pan
In a mixing bowl, add flour, sugar, salt, baking soda, and baking powder.
Mix to combine.
In a measuring cup, mix together oil, buttermilk, eggs, and vanilla extract until combined.
Drizzle in wet ingredients into dry ingredients with mixer on medium low speed.
Mix until just combined.
Fold in blueberries.
Transfer batter into bundt pan.
Bake for 60-70 minutes, or until skewer comes out with few moist crumbs or clean.
Let cool in pan for 10 minutes, then flip on to wire rack to cool completely.