StopTech Street 4 Wheel Disc Brake Kits with Slotted Rotors Front Pack 937.34044 (1 x 308.09180 Pads 1 x 126.34071SL and 1 x 126.34071SR Discs) Rear Pack 937.34544 (1 x 308.09190 Pads 1 x 126.34072SL and 1 x 126.34072SR Discs)
2009 BMW 550i equipped with 4.8L V8 Gas DOHC
Front and Rear
StopTech Street 4 Wheel Disc Brake Kits with Slotted Rotors Front Pack 937.34044 (1 x 308.09180 Pads 1 x 126.34071SL and 1 x 126.34071SR Discs) Rear Pack 937.34544 (1 x 308.09190 Pads 1 x 126.34072SL and 1 x 126.34072SR Discs)