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BMW 735IL CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT BMW REPAIR SHOPS DON'T WANT YOU TO KNOW
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A/C & HEATER SERVICE PROCEDURES FOR BMW 735IL AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported BMW 735IL cars and light trucks from 1990+
Air Bag System Precautions -> BMW -> Arming
Vehicle: 1991 BMW 735IL 3.5 L6 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...
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BRAKE SERVICE PROCEDURES FOR BMW 735IL AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported BMW 735IL cars and light trucks from 1990+.
Hydraulic Brakes -> BRAKE FORCE REGULATOR, REPLACE -> 318 & 325
Vehicle: 1990 BMW 735IL 3.5 L6 GAS
318 & 325
- Remove brake fluid in reservoir with a syringe.
- Disconnect brak...
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FUEL FILTER REPLACEMENT PROCEDURES FOR BMW 735IL AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported BMW 735IL cars and light trucks sold in the U.S. for 1980+.
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: 1992 BMW 735IL 3.5 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 BMW 735IL AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported BMW 735IL cars and light trucks from 1990+.
DRIVESHAFT U-JOINT, Replace -> Assembly -> Disassembly
Vehicle: 1990 BMW 735IL 3.5 L6 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 ...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR BMW 735IL AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported BMW 735IL cars and light trucks from 1990+.
Starter, Replace
Vehicle: 1990 BMW 735IL 3.5 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 BMW 735IL AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported BMW 735IL cars and light trucks sold in the U.S. from 1990+.
BMW -> Service Interval Indicator -> 7 Series -> Interval Indicator -> Less Underhood Diagnostic Connector -> Oil Service -> With Underhood Diagnostic Connector
Vehicle: 1990 BMW 735IL 3.5 L6 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 BMW 735IL AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported BMW 735IL cars and light trucks from 1990+
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1992 BMW 735IL 3.5 L6 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...
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COMPONENT LOCATION DIAGRAMS FOR BMW 735IL AUTOMOBILES
Component location diagrams for most BMW 735IL cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR BMW 735IL AUTOMOBILES
OEM drawn wiring diagrams for most BMW 735IL cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR BMW 735IL AUTOMOBILES
OEM TSB listings for most BMW 735IL cars and light trucks sold in the U.S. from 1985+.
Document: WINDSHIELD WIPER CHATTER - SPECIAL ANGLE ADJUST TOOL Vehicle: 1988 BMW 735IL 3.5 L6 GAS Symptoms: |
Document: WARRANTY PART RETURN STATUS REPORT Vehicle: 1989 BMW 735IL 3.5 L6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR BMW 735IL AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most BMW 735IL 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 BMW 735IL 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 BMW 735IL 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 BMW 735IL 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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