I=41:11=3,73 AT-FRONT DIFFERENTIAL Teilegruppe Front axle, front suspension Spring strut, add-on parts BMW Genuine Part 31 50 1 211 837 Product 31-50-1-211-837 Manufacturer number 1 211 837 supply number 1-211-837 installation location: Front Axle Front Suspension/ Spring Strut Add-On Parts