The product is a genuine OEM 2012-2018 BMW F30 320i 328i /X1 X3 X4 X5 N20 2.0L Cylinder Head with a manufacturer warranty of 1 month. It is made of aluminum and comes unfinished. The cylinder head includes a seal and is compatible with various BMW models such as the N20 N26 2.0 4-Cylinder Turbo Engine. Made in Germany, this cylinder head is a high-quality replacement part that ensures optimal performance and longevity for your vehicle's engine.