This Factory OEM BMW rim comes equipped on a BMW Z4. The BMW style number for this wheel is bmw style 108. This is an aluminum wheel with a diameter of 18" and a width of 8" front wheels and 8.5" in rear. This BMW Z4 wheel has 5 lug holes and a bolt pattern of 120mm. The offset of this BMW Z4 rim is 47 front and 50mm rear. OEM part number for this rim is BMW part number(s): 36116758195. Original name 5 Spoke.