Autoparts star Coolant Tank Bleeder Screw fits for BMW Fits BMW E46 E39 E53 Premium Quality ,Exceeds OE Standard. 100% brand new in factory original package.Never be used. Please verify fitment (model / year) before purchasing this product, by using the fitment chart. To see if this item is compatible with your car. Direct Aftermarket OEM Replacement:1711171278817110141325