BMW Genuine Cylinder Gasket For Valvetronic System Eccentric Shaft Sensor 525i 525xi 530i 530xi 530xi Z4 3.0i Z4 3.0si Z4 3.0si 323i 325i 325xi 330i 330xi 325xi BMW Genuine Cylinder Gasket For Valvetronic System Eccentric Shaft Sensor Located in front of the valve cover. This part is used in Cylinder head cover -- Manufacturer Warranty: 24000 miles or 2 years Please see Product Description below for vehicle compatibility