Auto Parts Search
1991 BMW 850I CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT BMW REPAIR SHOPS DON'T WANT YOU TO KNOW
Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!Select Section
- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
A/C & HEATER SERVICE PROCEDURES FOR 1991 BMW 850I AUTOMOBILES
Air Bag System Precautions -> BMW -> Arming
Vehicle: 1991 BMW 850I 5.0 V12 GAS
- Ensure nobody is in vehicle, then connect battery positive cable, then ground cable.
- From a safe position to the side of or below air bag modules, turn ignition On and observe air bag indicator lamp. Lamp s...
CLICK HERE TO GET FULL ACCESS TO 1991 BMW 850I A/C & HEATER SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 BMW 850I AUTOMOBILES
Disc Brakes -> CALIPER REPLACEMENT -> FRONT -> REAR
Vehicle: 1991 BMW 850I 5.0 V12 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 1991 BMW 850I BRAKE SERVICE PROCEDURES
FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 BMW 850I AUTOMOBILES
BMW -> Component Locations -> 7 & 8 Series
Vehicle: 1991 BMW 850I 5.0 V12 GAS
Refer to Fig....
CLICK HERE TO GET FULL ACCESS TO 1991 BMW 850I FUEL FILTER REPLACEMENT PROCEDURES
DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 BMW 850I AUTOMOBILES
DRIVESHAFT U-JOINT, Replace -> Assembly -> Disassembly
Vehicle: 1991 BMW 850I 5.0 V12 GAS
Disassembly
- Raise and support vehicle.
- Remove propeller shaft assembly.
- Remove hose straps.
- Lift out circlip.
- Pull off constant velocity joint complete with dust cover.
- Press knurled head bolts and washers out of constant velocity joint.
- Press off dust cover.
Assembly
- Pack new constant velocity joint with 60 grams of grease (HWB). Do not pack the inner race with cage since the balls would tall ...
CLICK HERE TO GET FULL ACCESS TO 1991 BMW 850I DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES
STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 BMW 850I AUTOMOBILES
Starter, Replace
Vehicle: 1991 BMW 850I 5.0 V12 GAS
- Disconnect battery ground cable, then remove air cleaner and air flow sensor.
- Remove oil dipstick tube.
- Remove starter solenoid cover.
- Disconnect electri...
CLICK HERE TO GET FULL ACCESS TO 1991 BMW 850I STARTER & ALTERNATOR REPLACEMENT PROCEDURES
MAINTENANCE LAMP RESET PROCEDURES FOR 1991 BMW 850I AUTOMOBILES
BMW -> Air Bag Warning Lamp ->
Vehicle: 1991 BMW 850I 5.0 V12 GAS
If the Air Bag warning lamp lights and stays on, diagnosis and ...
CLICK HERE TO GET FULL ACCESS TO 1991 BMW 850I MAINTENANCE LAMP RESET PROCEDURES
RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 BMW 850I AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1991 BMW 850I 5.0 V12 GAS
Inlet
- Drain coolant into a suitable container.
- Reposition hose clamp and remove hose from heater core.
- Reposition hose clamp and remove hose from engine.
- Remove hose from vehicle.
- Reverse procedure t...
CLICK HERE TO GET FULL ACCESS TO 1991 BMW 850I RADIATOR & HOSE REPLACEMENT PROCEDURES
SERPENTINE BELT SERVICE PROCEDURES FOR 1991 BMW 850I AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1991 BMW 850I 5.0 V12 GAS
If drive belt is to be subsequently reused: Mark direction of travel and reinstall drive belt in same direction of travel.
- Remove fan clutch with impeller.
- Loosen screws on ...
CLICK HERE TO GET FULL ACCESS TO 1991 BMW 850I SERPENTINE BELT SERVICE PROCEDURES
COMPONENT LOCATION DIAGRAMS FOR 1991 BMW 850I AUTOMOBILES
Component location diagrams for most 1991 BMW 850I cars and light trucks sold in the U.S. from 1990+.
Junction Box & Connector Diagram for 1991 BMW 850I 5.0 V12 GAS Components on diagram: |
Driver Window Motor Diagram for 1991 BMW 850I 5.0 V12 GAS Components on diagram: |
CLICK HERE TO GET FULL ACCESS TO 1991 BMW 850I PARTS/COMPONENTS LOCATION DIAGRAMS!
WIRING DIAGRAMS FOR 1991 BMW 850I AUTOMOBILES
OEM drawn wiring diagrams for most 1991 BMW 850I cars and light trucks sold in the U.S.
1991 BMW 850I 5.0 V12 GAS Wiring Diagram Components on diagram: |
1991 BMW 850I 5.0 V12 GAS Wiring Diagram Components on diagram: |
CLICK HERE TO GET FULL ACCESS TO 1991 BMW 850I WIRING DIAGRAMS!
TECHNICAL SERVICE BULLETINS FOR 1991 BMW 850I AUTOMOBILES
OEM TSB listings for most 1991 BMW 850I cars and light trucks sold in the U.S. from 1985+.
Document: Tools and Equipment Vehicle: 1991 BMW 850I 5.0 V12 GAS Auto Systems: |
Document: Turbocharger Installation Tool Vehicle: 1991 BMW 850I 5.0 V12 GAS Auto Systems: |
CLICK HERE TO GET FULL ACCESS TO 1991 BMW 850I TECHNICAL SERVICE BULLETINS!
COMPONENT/PARTS SPECIFICATIONS FOR 1991 BMW 850I AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 BMW 850I cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 1991 BMW 850I cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 1991 BMW 850I cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 1991 BMW 850I cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
CLICK HERE TO GET FULL ACCESS TO 1991 BMW 850I SPECIFICATIONS DATA!
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! |