The BMW E34 E30 325i 525i Engine Aluminum Oil Pan is a direct replacement part made of aluminum, designed specifically for BMW vehicles. It comes with the necessary items included for installation and fits seamlessly as a direct replacement for the original oil pan. The interchange part numbers 1722534, 1278945, and the OE/OEM part numbers 1288307 are compatible with the product, ensuring a perfect fit for your vehicle. Upgrade your engine with this high-quality aluminum oil pan from BMW.