BMW BRAKE VACUUM PUMP PIERBURG OEM 7.24807.23.0 / 11 66 7 545 384 - 2002-2010 - 545i,550i,550i,645Ci,650i,745i,745Li,750i,750Li,760i,760Li,Alpina B7,X5 4.4i,X5 4.8i,X5 4.8is,X5 xDrive48i 100% NEW Pierburg Brake Vacuum Pump. Also known as the Power Brake Booster Vacuum Pump. BMW OE #'s: 11667635657 / 11667545384 Pierburg #: 7.24807.23.0