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BMW 325I CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT BMW REPAIR SHOPS DON'T WANT YOU TO KNOW
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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about BMW 325I 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 325I automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR BMW 325I 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 325I cars and light trucks from 1990+
BMW -> Component Replacement & Adjustment -> Thermostat, Replace -> 325 & 330 -> 750 -> M Coupe, M Roadster & Z3 -> M3 -> M5, X5 4.4i, X5 4.6i, 540 & 740 -> X5 3.0i, 525 & 530 -> Z3
Vehicle: 2002 BMW 325I 2.5 L6 GAS
M Coupe, M Roadster & Z3
- Remove fan pulley and clutch as outlined under "Water Pump, Replace."
- Drain cooling system into suitable container.
- Remove water hoses.
- Remove mounting nut and engine suspension eye.
- Remove cable channel.
- Remove mounting bolts and thermostat housing.
- Remove thermostat.
- Reverse procedure to install, noting the following:
- Ensure vent arrow points upward.
- Install new gasket.
M3
- Remove fan as outlined under "Radiator, Replace."
- Drain coolant into suitable container. ...
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BRAKE SERVICE PROCEDURES FOR BMW 325I AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported BMW 325I cars and light trucks from 1990+.
Hydraulic Brake Systems -> Component Replacement -> 740 & 750 -> 745 -> M3, 325 & 330 -> M5, 525, 530 & 540 -> Master Cylinder, Replace -> Mini Cooper -> X5 -> Z3 -> Z8
Vehicle: 2001 BMW 325I 2.5 L6 GAS
Master Cylinder, Replace
Mini Cooper
- Suck brake fluid from expansion tank into suitable container using suitable suction bottle.
- Disconnect brake fluid level switch connector.
- Disconnect clutch hydraulic supply hose. Position line so that fluid does not drain. Plug or cap lines and openings.
- Disconnect expansion tank booster vacuum hose.
- Remove mounting bolt and expansion tank.
- Remove battery.
- Disconnect clips, lock and connectors, then remove Engine Control Module (ECM).
- Remove battery box mounting bolt and disconnect clips.
- Remove battery box.
- Disconnect brake lines. Plug or cap li...
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FUEL FILTER REPLACEMENT PROCEDURES FOR BMW 325I AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported BMW 325I cars and light trucks sold in the U.S. for 1980+.
BMW -> Component Locations -> 3 Series (Including M3, Z3, M Coupe & Roadster)
Vehicle: 2003 BMW 325I 2.5 L6 GAS
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR BMW 325I AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported BMW 325I cars and light trucks from 1990+.
CV AXLE SHAFT, Replace -> REAR
Vehicle: 2001 BMW 325I 2.5 L6 GAS
REAR
Righthand halfshaft is longer than lefthand shaft.
- Raise and support vehicle, then remove rear tire and wheel assembly.
- Lower rear exhaust pipe.
- Disconnect stabilizer from rear axle carrier and tilt it down.
- Remove axle nut.
- Remove mounting...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR BMW 325I AUTOMOBILES
Description, component locations, reset procedures, relearn procedures, diagnosis and testing, wiring diagrams, component replacement, and identification of vehicles equipped and not equipped with tire pressure monitoring system for most domestic and imported BMW 325I cars and light trucks sold in the U.S. from mid 1990's+.
Wiring Diagrams -> Wire Color Code Identification
Vehicle: 2001 BMW 325I Sport Wagon 2.5 L6 GAS
Refer to Figs. and for wir...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR BMW 325I AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported BMW 325I cars and light trucks from 1990+.
Starter, Replace
Vehicle: 1991 BMW 325I 2.5 L6 GAS
- Disconnect battery ground cable, then remove air cleaner assembly.
- Disconnect throttle cable, then remove air grill of air collection box.
- Remove electric lead duct...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR BMW 325I AUTOMOBILES
Cabin air filter locations and replacement procedures with corresponding images for most domestic and imported BMW 325I cars and light trucks sold in the U.S. as equipped to the current model year.
Cabin Air Filter Service -> BMW -> 1999-2005 3 Series & 2006 M3 & 325C Series
Vehicle: 2003 BMW 325I Sport Wagon 2.5 L6 GAS
Service interval is determined by the service indicator.
- Open the hood.
- Turn the three cabin air filter cover retainers 1/4 turn.
- Remove the cabin air filter cover.
- Rotate the cabin filter cover retainers 45°, then ...
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MAINTENANCE LAMP RESET PROCEDURES FOR BMW 325I AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported BMW 325I cars and light trucks sold in the U.S. from 1990+.
BMW -> Service Interval Indicator -> 3 Series & M3 -> Interval Indicator -> Less Underhood Diagnostic Connector -> Oil Service -> With Underhood Diagnostic Connector
Vehicle: 2003 BMW 325I 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 BMW 325I AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported BMW 325I cars and light trucks from 1990+
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2005 BMW 325I 2.5 L6 GAS
Lower
- Drain coolant into a suitable container.
- Reposition hose clamp at radiator and remove hose.
- Reposition hose clamp at water pump and remove hose.
- Remove hose from vehicle.
- Reverse procedure to i...
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SERPENTINE BELT SERVICE PROCEDURES FOR BMW 325I AUTOMOBILES
Serpentine belt replacement procedures with corresponding images for most domestic and imported BMW 325I cars and light trucks sold in the U.S. from 1990+.
Serpentine Drive Belt, Replace
Vehicle: 2003 BMW 325I 2.5 L6 GAS
- If reusing belt, mark belt with rotational direction for installation alignment.
- Lock belt pulley in position using suitable holding tool, then remove water pump fan clutch mounting nut using suitable wrench. Nut has lefthan...
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COMPONENT LOCATION DIAGRAMS FOR BMW 325I AUTOMOBILES
Component location diagrams for most BMW 325I cars and light trucks sold in the U.S. from 1990+.
Lower RH Side Of Engine Diagram for 2001 BMW 325I Sport Wagon 2.5 L6 GAS Components on diagram: |
Air Conditioning Unit Diagram for 2003 BMW 325I 2.5 L6 GAS Components on diagram: |
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WIRING DIAGRAMS FOR BMW 325I AUTOMOBILES
OEM drawn wiring diagrams for most BMW 325I cars and light trucks sold in the U.S.
2006 BMW 325I 3.0 L6 GAS Wiring Diagram Components on diagram: |
2004 BMW 325I 2.5 L6 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR BMW 325I AUTOMOBILES
OEM TSB listings for most BMW 325I cars and light trucks sold in the U.S. from 1985+.
Document: WARRANTY - MODIFIED VEHICLES (INSTALLATION OF NON-APPROVED ACCESSORIES) - REVISED Vehicle: 1988 BMW 325I 2.5 L6 GAS Auto Systems: |
Document: CD MODE IS INOPERATIVE AND 'TR' IS SHOWN IN THE BOARD MONITOR DISPLAY - REVISED Vehicle: 2004 BMW 325I 2.5 L6 GAS Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR BMW 325I AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most BMW 325I 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 325I 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 325I 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 325I 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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