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2004 BMW 325I 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
- Technical Service Bulletins
- Specifications
- A/C & Heater 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
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2004 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 2004 BMW 325I AUTOMOBILES
Imported Cars & Light Trucks & Vans -> 2003-04 -> Precautions -> Battery Ground Cable -> Cleanliness -> Engine Coolant -> Exercise System -> General Service -> Product Compatibility -> R-134a -> Refrigerant Oil -> Safety
Vehicle: 2004 BMW 325I 2.5 L6 GAS
Battery Ground Cable
Prior to service disconnect battery ground cable and isolate as required.
Product Compatibility
Refrigerant Oil
Before replenishing refrigerant oil, ensure product compatibility with the system being serviced. Refer to "A/C Data," for specifications.
Engine Coolant
Before adding or replacing engine coolant, ensure product compatibility with the system being serviced. If using orange silicate-free coolant, do not mix with green silicated coolant. If mixed, premature engine, heater core or radiator corrosion may result.
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2004 BMW 325I AUTOMOBILES
BMW -> Fuel Filter Scheduled Maintenance -> 1999-06
Vehicle: 2004 BMW 325I 2.5 L6 GAS
Inspection interval is determ...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2004 BMW 325I AUTOMOBILES
CV AXLE SHAFT, Replace -> Rear
Vehicle: 2004 BMW 325I 2.5 L6 GAS
Rear
The CV drive shafts differ in length. If required, mark CV drive shafts. The left CV drive shaft is shorter than the right CV drive shaft.
- Remove rear wheel lug nuts.
- Lower exhaust system at rear.
- Release stabilizer bar ...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2004 BMW 325I AUTOMOBILES
Description
Vehicle: 2004 BMW 325I 2.5 L6 GAS
The TPMS (Tire Pressure Monitor System) monitors the tire inflation pressure while the vehicle is being driven. To achieve this, the tire inflation pressure and tire air temperature are measured at certain intervals by sensors located on each wheel at t...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2004 BMW 325I AUTOMOBILES
Starter, Replace
Vehicle: 2004 BMW 325I 2.5 L6 GAS
- Disconnect battery ground cable.
- Unlock retainer from air cleaner assembly.
- Loosen clamp and detach air intake hose.
- Release air intake hose and remove intake filter housing bolts then remove housing.
- Disconnect S-terminal connector from starter motor solenoid.
- Remove B+ terminal...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2004 BMW 325I AUTOMOBILES
Cabin Air Filter Service -> BMW -> 1999-2005 3 Series & 2006 M3 & 325C Series
Vehicle: 2004 BMW 325I 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 2004 BMW 325I AUTOMOBILES
BMW -> Tire Pressure Monitoring System (TPMS) Warning Indicator -> 2000-09 3 Series Except X3 -> Less iDrive -> Reset -> With iDrive
Vehicle: 2004 BMW 325I 2.5 L6 GAS
Reset
The reset procedure needs to be performed anytime the tire pressure is adjusted or the tires are rotated.
Less iDrive
- With vehicle in a stationary position, start the engine.
- Touch turn signal lever up or down until tire pressure warning indicator and RESET appear.
- Press button on the end of the turn signal lever to confirm selection of tire pressure indicator.
- Press button on the end of the turn signal lever for approximately five seconds until a check/tick a...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2004 BMW 325I AUTOMOBILES
Radiator, Replace
Vehicle: 2004 BMW 325I 2.5 L6 GAS
- Drain engine coolant using suitable container.
- Remove intake filter housing.
- Remove fan cowl.
- Pull locking clips upward and detach upper coolant hoses from expansion tank and radiator.
- Unlock and disconnect plug connection at level sensor.
- On models ...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2004 BMW 325I AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2004 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 2004 BMW 325I AUTOMOBILES
Component location diagrams for most 2004 BMW 325I cars and light trucks sold in the U.S. from 1990+.
 Center Console Near Selector Lever Diagram for 2004 BMW 325I 2.5 L6 GASComponents on diagram: |
 In Convertible Top Cowl Diagram for 2004 BMW 325I 2.5 L6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2004 BMW 325I AUTOMOBILES
OEM drawn wiring diagrams for most 2004 BMW 325I cars and light trucks sold in the U.S.
 2004 BMW 325I 2.5 L6 GAS Wiring DiagramComponents on diagram: |
 2004 BMW 325I 2.5 L6 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2004 BMW 325I AUTOMOBILES
OEM TSB listings for most 2004 BMW 325I cars and light trucks sold in the U.S. from 1985+.
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Document: 1-Hour Windshield Urethane Vehicle: 2004 BMW 325I 2.5 L6 GAS Auto Systems: |
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Document: Power Fold Mirror Position Incorrect Vehicle: 2004 BMW 325I 2.5 L6 GAS |
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COMPONENT/PARTS SPECIFICATIONS FOR 2004 BMW 325I AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2004 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 2004 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 2004 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 2004 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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