Genuine BMW Exhaust Tail Pipe Tip - 18307610632 - This genuine original BMW exhaust tail pipe tip is designed to provide a perfect fit and finish to your BMW. It is precision-crafted from high-quality materials and is designed to last for years. The tip is designed to fit all BMW models with an exhaust tail pipe diameter of 1.5 or 2.5. It comes with all necessary hardware and is easy to install.