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1991 BMW M5 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
- 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
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1991 BMW M5 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 BMW M5 automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1991 BMW M5 AUTOMOBILES
BMW -> Automatic Temperature Control System Diagnosis & Testing -> A/C SYSTEM DIAGNOSIS & TESTING -> 3 SERIES -> 5 SERIES -> Trouble Code 01-Right Temperature Control Wheel -> Trouble Code 04-Right Heater Sensor -> Trouble Code 07-Evaporator Sensor -> Trouble Code 10-Outside Sensor -> Trouble Code 13-Interior Sensor -> Trouble Code 16-Interior Sensor Blower -> Trouble Code 25-Left Temperature Control Wheel -> Trouble Code 28-Left Heater Sensor -> Trouble Code 31-Air Flow Control Wheel -> Trouble Code 34-Mixing Air Control Wheel -> Trouble Code 38-Auxiliary Water Pump Relay -> Trouble Code 40-Left Water Valve -> Trouble Code 44-A/C Compressor Signal Or Auxiliary Fan Relay -> Trouble Code 44-A/C Relay/Auxiliary Fan Relay -> Trouble Code 46-Right Water Valve -> Trouble Code 47-A/C Signal To DME Control Unit -> Trouble Code 48-Rear Window Defroster -> Trouble Code 48-Rear Window Defroster Relay -> Trouble Code 52-Fresh Air Flap Motor -> Trouble Code 55-Air Recirculation Flap Motor -> Trouble Code 56-AUC Signal -> Trouble Code 61-Mixing Air Flap Motor -> Trouble Code 92-Terminal 50 ON Longer Than 3 Minutes -> Trouble Code 94-Independent Heating/Independent Ventilation
Vehicle: 1991 BMW M5 3.6 L6 GAS
3 SERIES
The automatic climate control unit is capable of detecting system malfunctions and storing a related trouble code. These trouble codes may be read from control unit memory using the BMW service tester, or equivalent. Follow manufacturer's instructions to display trouble codes.
The display "current defect" indicates that the malfunction currently exists. If a "current defect" applies to the temperature sensors or control wheels, a substitute value provided by the control unit is used. The substitute value is replaced by the current value when t...
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BRAKE SERVICE PROCEDURES FOR 1991 BMW M5 AUTOMOBILES
Disc Brakes -> REAR BRAKE PADS REPLACEMENT
Vehicle: 1991 BMW M5 3.6 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...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 BMW M5 AUTOMOBILES
BMW -> Fuel Filter Replacement -> Except X3 & Z4 -> Fuel System Pressure Relief -> Models w/Fitting Or Union Bolt Connection -> Models w/Fuel Hose Connection -> Removal & Installation
Vehicle: 1991 BMW M5 3.6 L6 GAS
Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.
After the battery has been disconnected and reconnected, some abnormal driveability symptoms may occur. The vehicle may need to be driven while it relearns its adaptive strategy.
Fuel System Pressure Relief
- Obtain the vehicle owner's radio theft protection code.
- Remove the fuel pump relay(s).
- Start the engine and allow it to stall.
- Crank engine for 10 seconds to ensure the fuel pressure has been...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 BMW M5 AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 1991 BMW M5 3.6 L6 GAS
The propeller shaft is adapted to pertinent requirements in reverence to the transmission version, power flow and vibration behavior, so that removal and installation will differ and depend on the version. Only tighten nuts or bolts on the flange end whenever possible to avoid tension in the joint disc.
- Raise and support vehicle.
- Remove exhaust assembly.
- Unscrew heat shield.
- On models with front joint disc, unscrew propeller shaft on transmission.
- On models with front universal joint, support transmission with special tools 24 0 120 and 00 2 020.
- Unscrew transmission suspension.
- ...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 BMW M5 AUTOMOBILES
Starter, Replace
Vehicle: 1991 BMW M5 3.6 L6 GAS
- Disconnect battery ground cable, then remove air cleaner and air flow sensor.
- Remove oil dipstick tube.
- Remove starter solenoid cover.
- Disconnect electri...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1991 BMW M5 AUTOMOBILES
BMW -> Automatic Stability Control (ASC, ASC+) & Dynamic Stability Control (DSC) Warning Lamp ->
Vehicle: 1991 BMW M5 3.6 L6 GAS
The warning lamp is used to warn of a system fault. It will be lit during engine start-up, but should go out when the self-diagnostic system determines that the system is functioning properly. The warning lamp will also flash when the syst...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 BMW M5 AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1991 BMW M5 3.6 L6 GAS
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WIRING DIAGRAMS FOR 1991 BMW M5 AUTOMOBILES
OEM drawn wiring diagrams for most 1991 BMW M5 cars and light trucks sold in the U.S.
 1991 BMW M5 3.6 L6 GAS Wiring DiagramComponents on diagram: |
 1991 BMW M5 3.6 L6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1991 BMW M5 AUTOMOBILES
OEM TSB listings for most 1991 BMW M5 cars and light trucks sold in the U.S. from 1985+.
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Document: Tools and Equipment Vehicle: 1991 BMW M5 3.6 L6 GAS Auto Systems: |
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Document: Turbocharger Installation Tool Vehicle: 1991 BMW M5 3.6 L6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1991 BMW M5 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 BMW M5 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 M5 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 M5 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 M5 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
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