BMW 630CS - BRAKES

96 Specifications
BRAKES
Foot brake (twi n dual-circuit system)
Hydraulic, acting via booster servo on all
4 wheels. Duplex 9" `Mastervac' servo
(2 `Hydrovac' on FÌHD cars). Tandem
master cylinder diameter 23.81 mm
(0.94 in). Transparent fluid reservoir in
engine compartment, with electric low-
level warning device and "Brake"
warning lamp in instrument cluster.
Front
4-piston fixed caliper disc brakes, with
automatic pad wear adjustment and
minjmum pad thickness warning device
on left brake.
Discdiameter 280 mm (11.O in)
Pistondiameter 40 mm ( 1.5 in)
Rear
2-piston fixed caliper disc brakes with
automatic pad wear adjustment and
minimum pad thickness warning device
on right brake.
Disc diameter 272 mm (1
Piston diameter 42 mm
Ventilated discs front and rear.
Handbrake
`Duo-Servo' drum brakes, agting me-
chanically on rear wheels. Adjustment
by means of adjusting nuts at brake
shoes and under rubber cap on hand-
brake lever. Each handbrake cable
adjustable separately.
Brake drum diameter 160 mm (6.3 in)
Brake liningwidth 25 mm (1.Oin)
Brake force li miter for rear axle
Cut-in pressure 20 ±2 bar
(284 ±28 |b/in2)