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1997 BMW 840CI CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT BMW REPAIR SHOPS DON'T WANT YOU TO KNOW
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- 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 1997 BMW 840CI AUTOMOBILES
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 1997 BMW 840CI 4.4 V8 GAS
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BRAKE SERVICE PROCEDURES FOR 1997 BMW 840CI AUTOMOBILES
Anti-lock Brakes -> Precautions -> Battery Ground Cable
Vehicle: 1997 BMW 840CI 4.4 V8 GAS
Battery Ground Cable
Prior to service, dis...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1997 BMW 840CI 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: 1997 BMW 840CI 4.4 V8 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 1997 BMW 840CI AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 1997 BMW 840CI 4.4 V8 GAS
- Raise and support vehicle.
- Remove complete exhaust system.
- Remove heat shield.
- Unfasten screws.
- Unscrew nuts.
- Push constant-velocity joint along disassembly grooves and of output flange.
- Unscrew center bearing. Caution: Do not let propeller shaft fall into joints. Joints and rubber sleeve on constant-velocity joint c...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1997 BMW 840CI AUTOMOBILES
Starter, Replace
Vehicle: 1997 BMW 840CI 4.4 V8 GAS
- Raise and support vehicle, then remove any lower splash guards and heat shields required to ac...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1997 BMW 840CI AUTOMOBILES
BMW -> Service Interval Indicator -> 8 Series -> Interval Indicator -> Less Underhood Diagnostic Connector -> Oil Service -> With Underhood Diagnostic Connector
Vehicle: 1997 BMW 840CI 4.4 V8 GAS
Less Underhood Diagnostic Connector
- Press and hold the reset button located at the top lefthand side of the instrument cluster for 10 seconds.
- A four line menu should appear on the speedometer display. First line is the Back function followed by three service and maintenance items.
- A "!" symbol indicates the service or maintenance item can be reset. An "0" symbol indicates the item cannot be reset. The first 20% of the service or maintenance interval is protected against accidental or premature reset.
- Use the Reset button or lower axial FAS button on the turn signal high beam switch to scr...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1997 BMW 840CI AUTOMOBILES
Radiator, Replace
Vehicle: 1997 BMW 840CI 4.4 V8 GAS
- Remove upper air cleaner
- Raise and support vehicle.
- Using pulley holding tool No. 11 5 030, or equivalent, remove engine cooling fan. Fan nut has lefthand thread.
- Remove engine splash guard and heat shields.
- Drain coolant into suitable container.
- Remove mounting bolts and upper air duct.
- Disconnect coolant level sender electrical connector.
- Disconnect lower coolant, expansion a...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1997 BMW 840CI AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1997 BMW 840CI 4.4 V8 GAS
- Remove fan cowl by lifting out expansion rivets on both sides.
- Secure fan pulley with suitable securing tool, or equivalent, then remove fan. Fan has lefthand handed threads.
- Loosen tensioner lock bolts, then turn tensioner with suitable wrench to receive tens...
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COMPONENT LOCATION DIAGRAMS FOR 1997 BMW 840CI AUTOMOBILES
Component location diagrams for most 1997 BMW 840CI cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 1997 BMW 840CI AUTOMOBILES
OEM drawn wiring diagrams for most 1997 BMW 840CI cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1997 BMW 840CI AUTOMOBILES
OEM TSB listings for most 1997 BMW 840CI cars and light trucks sold in the U.S. from 1985+.
Document: Tools and Equipment Vehicle: 1997 BMW 840CI 4.4 V8 GAS Auto Systems: |
Document: Tools and Equipment Vehicle: 1997 BMW 840CI 4.4 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1997 BMW 840CI AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1997 BMW 840CI 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 1997 BMW 840CI 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 1997 BMW 840CI 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 1997 BMW 840CI 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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