Important Part NotesVehicles can be equipped with different suspension strut mount differing in terms of quantity of fitting holes (3 or 6) and thread (M8 or M10). Please identify the fitted product for comparison. More information in the attached technical bulletin.Fits Front - Both Sidestfs{font-size:1.3em;font-weight:bold;}table, th, td {border:none;vertical-align:top;margin-bottom:0px}Fitting Position: Front Axle Left / Front Axle RightAdditional Info: With Roller Bearing SpecificationsBearing Type: Thrust Ball BearingInternal Thread: M10 x 1.5Material: Rubber / MetalNo. Of Holes: 3 DiameterOuter Diameter: 125 / 180mm DimensionsHeight: 70mmWeight: 1.03kg Make and model this part will fitBMW 1 Series (F20), 1 Series (F21), 3 Series (F30), 3 Series (F31)Original Manufacturer part number this will replace (OE) BMW: 31 30 6 854 508, 31 30 6 855 818, 31 30 6 863 135, 31 30 6 863 136, 31 30 6 880 438Other Brands equivalent part number Bendix: 049257B Borg & Beck: BSM5528, BSM5529, BSM5530 Corteco: 80004545 Febi Bilstein 39925 First Line: FSM5528, FSM5529 KYB: SM1045 Lemforder: 36344 01 Meyle: 314 641 0007 Topran: 502 892 Trucktec Automotive: 08.30.106 VAICO: V20-1547, V20-1547-1