BMW - Hydraulic Brake Booster/Servo, Leak Repair Service, ATe - Cast Iron, repair is $170.00 + RS + Ins, It includes painting Early e23, 7 series, from 1976. My Info: Jay Stratton, 2514 North Tustin Ave. Unit E, Santa Ana, CA. 92705. my e-mail, jaycstratton9@gmail.com scroll down