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1998 BMW 740IL 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
- Tire Pressure Monitoring System
- Starter & Alternator Replacement
- Cabin Air Filter Locations & Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service

A/C & HEATER SERVICE PROCEDURES FOR 1998 BMW 740IL AUTOMOBILES
Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 1998 BMW 740IL 4.4 V8 GAS
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BRAKE SERVICE PROCEDURES FOR 1998 BMW 740IL AUTOMOBILES
Disc Brakes -> Tightening Specifications
Vehicle: 1998 BMW 740IL 4.4 V8 GAS
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1998 BMW 740IL AUTOMOBILES
BMW -> Component Locations -> 7 & 8 Series
Vehicle: 1998 BMW 740IL 4.4 V8 GAS
Refer to Fig....
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1998 BMW 740IL AUTOMOBILES
CV AXLE SHAFT, Replace -> Rear
Vehicle: 1998 BMW 740IL 4.4 V8 GAS
Rear
- Raise and support vehicle, then remove rear tire and wheel assembly.
- Remove exhaust system.
- Remove rear axle.
- Remove axle nut.
- Press halfshaft off hub using a suitable tool. Do not allow halfshaft to fall.
- On models equipped with height control, remove cont...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 1998 BMW 740IL AUTOMOBILES
Component Replacement -> Installation -> Removal -> Tire Pressure Sensor -> TPMS Antenna -> TPMS Control Module
Vehicle: 1998 BMW 740IL 4.4 V8 GAS
Tire Pressure Sensor
Removal
- Dismount tire using suitable tire machine ensuring not to damage tire pressure sensor.
- Remove the Torx screw, then the tire pressure sensor.
- Release valve stem union nut using removal tool No. 00 2 190, or equivalent Fig. .
- Remove washer from wheel.
Installation
- Install new Torx screw on tire pressure sensor, then twist new valve stem by hand approximately three turns. Do not tighten Torx screw, sensor and valve stem must be loosely joined together.
- Install the tire pressure sensor on wheel. Ensure the radial bore for gripping on the circumference of t...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1998 BMW 740IL AUTOMOBILES
Alternator, Replace -> Air Cooled -> Liquid Cooled
Vehicle: 1998 BMW 740IL 4.4 V8 GAS
Air Cooled
- Remove drive belt.
- Remove mounting bolts and place oil filter housing aside.
- Disconnect alternator electrical connectors.
- Remove mounting nut and disconnect battery positive lead.
- Disconnect cable clip and cooling air guide.
- Remove mounting bolts and alternator.
- Reverse procedure to install.
Liquid Cooled
- Lock fan coupling pulley in place using sui...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 1998 BMW 740IL AUTOMOBILES
Cabin Air Filter Service -> BMW -> 1993-2001 7 Series
Vehicle: 1998 BMW 740IL 4.4 V8 GAS
Service interval is determined by the service indicator.
- Remove cabin air filter cover retaining screw, then open the cover.
- Depress the cabin air filter duct lock, then lift the cover upward.
- Release the cabin ai...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1998 BMW 740IL AUTOMOBILES
BMW -> Air Bag Warning Lamp ->
Vehicle: 1998 BMW 740IL 4.4 V8 GAS
If the Air Bag warning lamp lights and stays on, diagnosis and ...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1998 BMW 740IL AUTOMOBILES
Radiator, Replace
Vehicle: 1998 BMW 740IL 4.4 V8 GAS
- Raise and support vehicle, then drain coolant into suitable container.
- Remove air intake filter housing.
- Disconnect level sensor connector.
- Disconnect clamp and remove expansion tank hose.
- Open expansion tank cap and remove vent plug.
- Disconnect clips and remove expansion tank.
- Disconnect AUC sensor, as required.
- Lock belt pulley in position using holding tool No. 11 5 05...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1998 BMW 740IL AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1998 BMW 740IL 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 1998 BMW 740IL AUTOMOBILES
Component location diagrams for most 1998 BMW 740IL cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 1998 BMW 740IL AUTOMOBILES
OEM drawn wiring diagrams for most 1998 BMW 740IL cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1998 BMW 740IL AUTOMOBILES
OEM TSB listings for most 1998 BMW 740IL cars and light trucks sold in the U.S. from 1985+.
Document: Diagnosis Feedback with ISTA Vehicle: 1998 BMW 740IL 4.4 V8 GAS Auto Systems: |
Document: Turbocharger Installation Tool Vehicle: 1998 BMW 740IL 4.4 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1998 BMW 740IL AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1998 BMW 740IL 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 1998 BMW 740IL 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 1998 BMW 740IL 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 1998 BMW 740IL 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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