BMW Genuine Engine Lubrication System Oil Pan Dipstick 525i 528i 530i 320i 323Ci 323i 325Ci 325i 328Ci 328i 330Ci 330i Z4 2.5i Z4 3.0i BMW Genuine Engine Lubrication System Oil Pan Dipstick E39 E46 E85 It is used in OIL PAN/OIL LEVEL INDICATOR -- Manufacturer Warranty: 24000 miles or 2 years Please see Product Description below for vehicle compatibility