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1990 BMW 325IS 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
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- 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
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1990 BMW 325IS 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 325IS automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1990 BMW 325IS AUTOMOBILES
A/C & Cooling System Maintenance -> BMW
Vehicle: 1990 BMW 325IS 2.5 L6 GAS
Inspection Interval Is Determined By Service Inspection Indicator.
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BRAKE SERVICE PROCEDURES FOR 1990 BMW 325IS AUTOMOBILES
Disc Brakes -> PARKING BRAKE ADJUSTMENT
Vehicle: 1990 BMW 325IS 2.5 L6 GAS
- Ensure parking brake lever is fully released and cables operate freely, then raise and support rear of vehicle.
- On models with wheel bolts, remove 1 wheel bolt from each wheel. On models with studs, remove rear wheels and secure brake discs using lug nuts and spacers.
- On all models, rotate wheel until bolt hole is aligned with parking brake star adjuster. Adjuster is located approximately 30 ° behind the vertical axis of the wheel on 300 series vehicles, Fig. , or 45 ° below horizontal axis of wheel toward rear of vehicle on 500, 600, 700 & 800 series vehic...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1990 BMW 325IS AUTOMOBILES
BMW -> Fuel Filter Scheduled Maintenance -> 1990-88 -> Normal Service
Vehicle: 1990 BMW 325IS 2.5 L6 GAS
Normal Service
Replace at Service ...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1990 BMW 325IS AUTOMOBILES
DRIVESHAFT, Replace -> With constant velocity joint -> With slide
Vehicle: 1990 BMW 325IS 2.5 L6 GAS
With slide
- Raise and support vehicle.
- Remove complete exhaust system.
- Remove heat shield.
- Unscrew holders for exhaust suspension.
- Remove clamp.
- On models with joint disk, unscrew joint disk on transmission.
- On models with universal joint, unscrew universal joint on transmission.
- Release threaded bushing with suitable tool by a few turns.
- Unscrew universal joint on final drive. Caution: when removing propeller shaft, mark universal joint to drive flange of rear axle. This will eliminate complaints of droning.
- On all models, unscrew center bearing.
- Kink propeller shaft downwards a...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1990 BMW 325IS AUTOMOBILES
Alternator, Replace
Vehicle: 1990 BMW 325IS 2.5 L6 GAS
- Read fault memory with suitable scan tool.
- Disconnect battery ground wire.
- Remove complete suction filter with air-mass sensor.
- Remove fan.
- Disconnect plug connection on suction filter housing.
- Release screws.
- Loosen hose clamp on intake manifold.
- Unclip upper section of suction-filter housing and place ...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1990 BMW 325IS AUTOMOBILES
BMW -> Service Interval Indicator -> 3 Series & M3 -> Interval Indicator -> Less Underhood Diagnostic Connector -> Oil Service -> With Underhood Diagnostic Connector
Vehicle: 1990 BMW 325IS 2.5 L6 GAS
Less Underhood Diagnostic Connector
On these models the SII reset tool cannot be used. Resetting is possible using the instrument cluster trip odometer reset button. Proceed as follows:
- Turn ignition Off.
- Press and hold trip odometer reset button, then turn ignition to "1" (Accessory).
- Keep odometer reset button depressed for approximately five more seconds until any of following words appear in display: "Oil Service" or "Inspection" with "Reset" or "Re."
- On models equipped with high cluster, remaining amount of fuel in liters until next service is displayed should appear.
- On all models, depress ...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1990 BMW 325IS AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1990 BMW 325IS 2.5 L6 GAS
Lower
- Drain coolant into a suitable container.
- Reposition hose clamp and remove hose from radiator.
- Reposition hose clamp and remove hose from engine.
- Remove hose from vehicle.
- Reverse procedure to ins...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1990 BMW 325IS AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1990 BMW 325IS 2.5 L6 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 1990 BMW 325IS AUTOMOBILES
Component location diagrams for most 1990 BMW 325IS cars and light trucks sold in the U.S. from 1990+.
 I/P Harness Splice Locations Diagram for 1990 BMW 325IS 2.5 L6 GASComponents on diagram: |
 Engine Harness Splice Locations Diagram for 1990 BMW 325IS 2.5 L6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 1990 BMW 325IS AUTOMOBILES
OEM drawn wiring diagrams for most 1990 BMW 325IS cars and light trucks sold in the U.S.
 1990 BMW 325IS 2.5 L6 GAS Wiring DiagramComponents on diagram: |
 1990 BMW 325IS 2.5 L6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1990 BMW 325IS AUTOMOBILES
OEM TSB listings for most 1990 BMW 325IS cars and light trucks sold in the U.S. from 1985+.
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Document: Tools and Equipment Vehicle: 1990 BMW 325IS 2.5 L6 GAS Auto Systems: |
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Document: Tools and Equipment Vehicle: 1990 BMW 325IS 2.5 L6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1990 BMW 325IS AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1990 BMW 325IS 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 1990 BMW 325IS 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 1990 BMW 325IS 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 1990 BMW 325IS 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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