BMW M3 G80 Custom for GTA 5. The front end of the BMW M3 G80 Custom features new details such as a special front grille with angular elements and air intakes for better engine ventilation. There are also new LED headlights that give the car a more modern and aggressive look. The rear of the BMW M3 G80 Custom features a sporty rear bumper, aerodynamic elements and a huge roof spoiler that provide not only visual appeal but also added aerodynamics. LED lights have a new design and give the car a modern style.