Reach_autoparts Regulator Fits For Audi 100 Bmw 3/5/6/7 Series E30 E36 E28 E24 100%Brand New,unused, unopened, undamaged item in its original packaging OEM NO:1197311028(Please confirm parts number before purchase) Voltage Set Point:14.5V,Slipring OD:28mm Easy to Install Strict Factory QC Test