The ECOGARD S5247~E8 Cartridge Engine Oil Filter for Synthetic Oil is a premium replacement filter designed to provide superior engine protection for various BMW models. This filter is engineered to work efficiently with synthetic oils, ensuring optimal performance and longevity for your engine. It is compatible with a range of BMW vehicles, including the 325i, X5, 325Ci, X3, 330Ci, 528i, 530i, Z3, 328i, 525i, 325xi, 323i, 330i, Z4, 330xi, 323Ci, 328is, and 328Ci. The filter measures 4.09 inches in height and has an outer diameter of 3.25 inches at the bottom, making it suitable for these specific BMW models. The ECOGARD S5247~E8 filter is a direct replacement for the OEM BMW part number 11 42 1 427 908, ensuring a seamless fit and reliable performance. It is also compatible with other filters such as FRAM TG8081 and WIX 51223XP, providing flexibility in maintenance options. By choosing the ECOGARD S5247~E8 filter, you are investing in a high-quality product that meets or exceeds OEM specifications, offering peace of mind and confidence in your vehicle's maintenance.