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1991 BMW 318IC CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT BMW REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Wiring Diagrams
- Technical Service Bulletins
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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

A/C & HEATER SERVICE PROCEDURES FOR 1991 BMW 318IC AUTOMOBILES
Import Compressor Service -> Keihin Compressors -> COMPRESSOR CLUTCH SERVICE -> COMPRESSOR CLUTCH, REPLACE
Vehicle: 1991 BMW 318IC 1.8 L4 GAS
COMPRESSOR CLUTCH, REPLACE
- Retain pressure plate using tool No. 07923-PB8000, then remove center bolt, Fig. .
- Install clutch remover tool onto pressure plate, then remove pressure plate by screwing in center bolt, Fig. .
- Clean mating surfaces of pulley and pressure plate in a suitable solvent.
- Remove pulley snap ring, then the pulley using a suitable puller.
- Remove shims from compressor shaft, then the second snap ring.
- Remove clutch coi...
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BRAKE SERVICE PROCEDURES FOR 1991 BMW 318IC AUTOMOBILES
Disc Brakes -> FRONT DISC BRAKE PADS REPLACEMENT -> 318 & 325 -> EXCEPT 318 & 325
Vehicle: 1991 BMW 318IC 1.8 L4 GAS
318 & 325
- Raise and support vehicle, then remove front wheels.
- Remove brake pad wear indicator connector from left side of caliper.
- Remove anti-rattle clip, then the caliper sliding bolt plastic caps.
- Lift brake hose out of holder, then remove caliper sliding bolts.
- Remove caliper toward rear. Remove brake pads, then suspend caliper from frame with wire.
- Reverse procedure to install, noting the following:
- Compress caliper piston into bore.
- Check fluid ...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 BMW 318IC AUTOMOBILES
BMW -> Component Locations -> 3 Series (Including M3, Z3, M Coupe & Roadster)
Vehicle: 1991 BMW 318IC 1.8 L4 GAS
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 BMW 318IC AUTOMOBILES
DRIVESHAFT, Replace -> With constant velocity joint -> With slide
Vehicle: 1991 BMW 318IC 1.8 L4 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 special tool 26 1 040 or equivalent by a few turns. Caution: When removing propeller shaft, mark universal joint to drive flange of rear axle. This will eliminate complaints of droning.
- Unscrew universal joint on final drive.
- On all models, unscrew center bearing.
- Kink pro...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 BMW 318IC AUTOMOBILES
Alternator, Replace
Vehicle: 1991 BMW 318IC 1.8 L4 GAS
- Read out stored fault messages with suitable scan tool.
- Switch off ignition.
- Disconnect and cover battery ground terminal.
- Remove air cleaner upper section with air-flow sensor.
- Ta...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1991 BMW 318IC AUTOMOBILES
BMW -> Service Interval Indicator -> 3 Series & M3 -> Interval Indicator -> Less Underhood Diagnostic Connector -> Oil Service -> With Underhood Diagnostic Connector
Vehicle: 1991 BMW 318IC 1.8 L4 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 1991 BMW 318IC AUTOMOBILES
Radiator, Replace
Vehicle: 1991 BMW 318IC 1.8 L4 GAS
- Remove fan cowl.
- Drain coolant into a suitable container.
- Unlock coolant hoses and detach.
- Release clamp, detach charge-air duct and remove.
- On models with automatic transmission, release bolt and detach transmi...
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COMPONENT LOCATION DIAGRAMS FOR 1991 BMW 318IC AUTOMOBILES
Component location diagrams for most 1991 BMW 318IC cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 1991 BMW 318IC AUTOMOBILES
OEM drawn wiring diagrams for most 1991 BMW 318IC cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1991 BMW 318IC AUTOMOBILES
OEM TSB listings for most 1991 BMW 318IC cars and light trucks sold in the U.S. from 1985+.
Document: Tools and Equipment Vehicle: 1991 BMW 318IC 1.8 L4 GAS Auto Systems: |
Document: Tools and Equipment Vehicle: 1991 BMW 318IC 1.8 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1991 BMW 318IC AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 BMW 318IC 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 318IC 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 318IC 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 318IC 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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