M Dual link, link Teilegruppe Rear axle, rear-wheel drive, suspension Rear trailing arm - mount BMW Genuine Part 33 30 2 284 645 Product 33-30-2-284-645 Manufacturer number 2 284 645 supply number 2-284-645 installation location: Rear Axle Rear-Wheel Drive Suspension/ Rear Trailing Arm - Mount