Auto Parts Search
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1991 BMW 850I car and truck
repair procedures including BMW engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your 1991 BMW 850I automobile. Try the Automotix DIY solution today!
BRAKE SERVICE PROCEDURES FOR 1991 BMW 850I AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 BMW 850I cars and light trucks from 1990+.
Disc Brakes -> REAR BRAKE PADS REPLACEMENT
Vehicle: 1991 BMW 850I 5.0 V12 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 1991 BMW 850I BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 BMW 850I AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 BMW 850I cars and light trucks from 1990+.
Disc Brakes -> TIGHTENING SPECIFICATIONS
Vehicle: 1991 BMW 850I 5.0 V12 GAS
CLICK HERE TO GET FULL ACCESS TO 1991 BMW 850I BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 BMW 850I AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 BMW 850I cars and light trucks from 1990+.
Disc Brakes -> CALIPER OVERHAUL
Vehicle: 1991 BMW 850I 5.0 V12 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 1991 BMW 850I BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 BMW 850I AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 BMW 850I 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: 1991 BMW 850I 5.0 V12 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...
CLICK HERE TO GET FULL ACCESS TO 1991 BMW 850I BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 BMW 850I AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 BMW 850I cars and light trucks from 1990+.
Power Brake Units -> TROUBLESHOOTING -> 318, 325, 525 & 535 -> BRAKE BOOSTER VACUUM SUPPLY CHECK -> FUNCTION TEST
Vehicle: 1991 BMW 850I 5.0 V12 GAS
FUNCTION TEST
- Operate brake pedal ten times with engine stopped.
- If brake pedal gives, system is okay.
- If brake pedal does not give, check valve, vacuum hose and/or rubber ring between master cylinder and brake booster could be defective.
BRAKE BOOSTER VACUUM SUPPLY CHECK
318, 325, ...
CLICK HERE TO GET FULL ACCESS TO 1991 BMW 850I BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 BMW 850I AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 BMW 850I cars and light trucks from 1990+.
Hydraulic Brakes -> BRAKE SYSTEM BLEEDING
Vehicle: 1991 BMW 850I 5.0 V12 GAS
The following procedure has been revised by BMW Technical Service Bulletin No. 34 06 90 (3134).
- Connect suitable pressure bleeder to brake fluid reservoir. Maximum charging pressure is 43.5 psi.
- Attach bleeder hose and container to right rear wheel. Bleed until no bubbles appear.
- Repeat step 2 for left rear, right front and left front wheels.
- Support rear suspension at wheel carriers and lower car so rear suspension compresses to its normal loaded position (to prevent damage to output shaft jo...
CLICK HERE TO GET FULL ACCESS TO 1991 BMW 850I BRAKE SERVICE PROCEDURES
Shop online for auto body parts, engines, wheels, lights...
| More parts |
| Get the Complete Technical Service Bulletins! |
 Access diagrams and repair information such as wiring diagrams,
diagnosis and repair charts, manufacturer
service bulletins, and OEM Part
numbers of your 1991 BMW 850I vehicle.
|
| Access the Complete guide! |
