Genuine BMW Front Brake Pads. F40 M135 M Sport. The Genuine BMW Front Brake Pads with Part Number 34106885521 are high-quality performance parts designed specifically for the BMW 135 and M Sport Performance models. These brake pads offer excellent heat resistance, ensuring optimal braking performance in a variety of driving conditions. With a focus on precision and quality, these genuine BMW front brake pads provide reliability and safety for your vehicle.