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BRAKE SERVICE PROCEDURES FOR 1990 BMW 325I AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 BMW 325I cars and light trucks from 1990+.
Power Brake Units -> POWER BRAKE UNIT SERVICE -> 318, 325, 525 & 535 -> 735, 750 & 850 -> POWER BRAKE BOOSTER, REPLACE
Vehicle: 1990 BMW 325I 2.5 L6 GAS
POWER BRAKE BOOSTER, REPLACE
318, 325, 525 & 535
- Remove master cylinder from booster.
- Remove lower left trim panel.
- Disconnect bayonet pin and clip from booster pushrod, below instrument panel. Fig.
- Detach booster from pedal base. Remove booster from engine compartment.
- Reverse procedure to install.
735, 750 & 850
- With engine off, discharge hydraulic reservoir by operating brake pedal approximately 20 times with same force required for fu...
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BRAKE SERVICE PROCEDURES FOR 1990 BMW 325I AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 BMW 325I cars and light trucks from 1990+.
Disc Brakes -> CALIPER REPLACEMENT -> FRONT -> REAR
Vehicle: 1990 BMW 325I 2.5 L6 GAS
FRONT
- Raise and support vehicle, then remove front wheel.
- Drain a moderate amount of brake fluid from reservoir with a syringe.
- Disconnect caliper brake hose.
- Remove caliper bolts and disconnect brake pad wear sensor electrical connector, if necessary.
- Remove caliper toward rear.
- Reverse procedure to install, noting the following:
- Tighten bolts to specifications.
- Blee...
CLICK HERE TO GET FULL ACCESS TO 1990 BMW 325I BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1990 BMW 325I AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 BMW 325I cars and light trucks from 1990+.
Disc Brakes -> REAR BRAKE PADS REPLACEMENT
Vehicle: 1990 BMW 325I 2.5 L6 GAS
- Remove wheels and disconnect electrical connector from wear sensor, if equipped.
- Pry caps off caliper guide bolts and remove guide bolts.
- Pry outer pad retaining clamp...
CLICK HERE TO GET FULL ACCESS TO 1990 BMW 325I BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1990 BMW 325I AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 BMW 325I cars and light trucks from 1990+.
Disc Brakes -> CALIPER OVERHAUL
Vehicle: 1990 BMW 325I 2.5 L6 GAS
- Remove piston boot and snap ring.
- Position block of wood in caliper recess, then apply compressed air to fluid inlet to force piston from bore.
- Remove bleeder screw.
- Remove piston seal using a suitable tool, taking care not to damage caliper bore.
- Remove dowel sleeves (5) from guide bolt bores, Fig. .
- Clean caliper and piston with alcohol, blow dry with compressed air and coat sealing surfaces with brake fluid.
- Inspect piston and replace if corroded, or if sealing surfa...
CLICK HERE TO GET FULL ACCESS TO 1990 BMW 325I BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1990 BMW 325I AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 BMW 325I cars and light trucks from 1990+.
Hydraulic Brakes -> COMPONENT REPLACEMENT -> 735, 750 & 850 -> MASTER CYLINDER, REPLACE -> POWER FLOW REGULATOR, REPLACE
Vehicle: 1990 BMW 325I 2.5 L6 GAS
MASTER CYLINDER, REPLACE
- Remove brake fluid from master cylinder with a syringe.
- Remove plug and clutch hose if equipped.
- Remove fluid reservoir.
- Remove brake lines, then mounting bolts.
- Remove master cylinder.
- Reverse procedure to install and bleed brake system.
POWER FLOW REGULATOR, REPLACE
735, 750 & 850
- With engine off, discharge hydraulic reservoir by operating brake...
CLICK HERE TO GET FULL ACCESS TO 1990 BMW 325I BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1990 BMW 325I AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1990 BMW 325I cars and light trucks from 1990+.
Anti-Lock Brakes -> DESCRIPTION
Vehicle: 1990 BMW 325I 2.5 L6 GAS
The Anti-Lock Brake System (ABS) consists of a control unit, hydraulic unit, speed sensors and wiring harness. Each speed sensor has a gear wheel which runs past the permanently magnetized edge of the speed sensor installed in the wheel hub. The rotary motion of the wheels is recorded by inductive sensors and an electric signal is sent to the electronic control unit.
The electronic control unit is located in a compartment on the right side of the engine compartment. This control unit inputs acceleration, deceleration and slip factors from the electronic speed sensors, which are propo...
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