I=44:13=3,38 Final drive (front axle) Teilegruppe Front axle, front suspension Spring strut, add-on parts BMW Genuine Part 31 50 1 213 588 Product 31-50-1-213-588 Manufacturer number 1 213 588 supply number 1-213-588 installation location: Front Axle Front Suspension/ Spring Strut Add-On Parts