The Genuine BMW VENTILATED BRAKE DISC 34-20-8-887-191 New Sealed 330i 330e G-Series is a high-quality brake disc rotor designed for rear placement on a BMW vehicle. Made from a combination of aluminum and cast iron, this vented rotor has a thickness of 24mm and a discard thickness of 22.4mm. With a bolt pattern of 5 x 112, this brake disc comes with a 1-year manufacturer warranty and is powder coated and zinc plated for durability. It is an OEM part manufactured in Germany, ensuring a perfect fit and reliable performance for your vehicle.