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2003 BMW 330XI 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
- Brake 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
A/C & HEATER SERVICE PROCEDURES FOR 2003 BMW 330XI AUTOMOBILES
BMW -> Component Replacement & Adjustment -> Evaporator Temperature Sensor, Replace -> M Coupe, M Roadster & Z4 -> M3, M5, X5, 325, 330, 525, 530, 540, 740, 750 & 760
Vehicle: 2003 BMW 330XI 3.0 L6 GAS
M Coupe, M Roadster & Z4
- Remove evaporator core as outlined under "Evaporator Core, Replace."
- Disconnect connector and remove sensor. ...
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BRAKE SERVICE PROCEDURES FOR 2003 BMW 330XI AUTOMOBILES
Anti-lock Brakes -> Precautions -> Audio Coded Anti-Theft System
Vehicle: 2003 BMW 330XI 3.0 L6 GAS
Audio Coded Anti-Theft System
Some original radios have a coded theft protection circuit. Obtain customer's code number before disconnecting the battery, removing fuses from the underhood fuse/relay box or removing the radio.
- After servicing vehicle, reconnect p...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 2003 BMW 330XI AUTOMOBILES
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: 2003 BMW 330XI 3.0 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 2003 BMW 330XI AUTOMOBILES
CV AXLE SHAFT, Replace -> FRONT -> REAR
Vehicle: 2003 BMW 330XI 3.0 L6 GAS
FRONT
- Remove front, middle and rear engine splash shields.
- Remove front axle support righthand heat shield.
- Raise and support vehicle, then remove tire and wheel assembly.
- Remove ABS sensor.
- Disconnect control arm ride level sensor.
- Disconnect brake hose from mounting.
- Remove mounting bolts and support brake caliper aside with hoses connected.
- Disconnect stabilizer link from bar.
- Remove axle shaft collar nut.
- Press output shaft out of drive flange.
- Disconnect front axle support control arm at front and rear.
- Tilt steering knuckle to one side.
- Remove output shaft from differential usin...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2003 BMW 330XI AUTOMOBILES
Reset Procedures -> Less iDrive -> With iDrive
Vehicle: 2003 BMW 330XI 3.0 L6 GAS
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 appears ...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2003 BMW 330XI AUTOMOBILES
Starter, Replace
Vehicle: 2003 BMW 330XI 3.0 L6 GAS
- Raise and support vehicle
- Remove mounting bolts and lower engine cover.
- Remove air intake hood.
- Disconnect fan cowl and position upward.
- Remove cabin air filter housing and heater bulkhead.
- Support engine with suitable fixture tool, or equivalent.
- Remove righthand engine mount top nut and lefthand engine mount bottom nut.
- Remove front, middle and rear engine splash shields.
- Remove exhaust system.
- Remove heat shields.
- Remove shift selector nut and disconnect cable.
- Remove propeller shaft.
- Remove front propeller shaft to differential carrier joint mounting bolts.
- Remove front propeller shaft ...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2003 BMW 330XI AUTOMOBILES
Cabin Air Filter Service -> BMW -> 1999-2005 3 Series & 2006 M3 & 325C Series
Vehicle: 2003 BMW 330XI 3.0 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 2003 BMW 330XI AUTOMOBILES
BMW -> Service Indicator Cluster ->
Vehicle: 2003 BMW 330XI 3.0 L6 GAS
The service indicator cluster is used indicate when periodic maintenance is required. The service indicator consists of one yellow, five green and three red Light Emitting Diodes (LEDs), with the inscriptions "Oil Service" and "Inspection." When the ignition switch is turned to the On position, as many as five green LEDs will be illuminated.
The green LEDs will go out when the engine is started. If the yellow LED and one of the inscriptions illuminates with the ignition switch in the On position, and remain on after the engine has started, service the maintenance inscription indicated immediately. ...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2003 BMW 330XI AUTOMOBILES
Radiator, Replace
Vehicle: 2003 BMW 330XI 3.0 L6 GAS
- Open coolant expansion tank cap, the raise and support vehicle.
- Remove mounting bolt and reinforcement plate.
- Remove mounting screws and front splash shield.
- Open radiator plug and drain coolant into suitable container.
- Open plug on righthand side of engine block near cylinder No. 2 and drain coolant into suitable container.
- Disconnect engine wiring harness holder.
- Disconnect retainers, then remove mounting bolts and air intake filter housing.
- Disconnect expansion rivets and remove intake hood.
- Lock belt pulley in position using holding tool No. 11 5 030...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2003 BMW 330XI AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2003 BMW 330XI 3.0 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 2003 BMW 330XI AUTOMOBILES
Component location diagrams for most 2003 BMW 330XI cars and light trucks sold in the U.S. from 1990+.
Behind Glove Box Diagram for 2003 BMW 330XI 3.0 L6 GAS Components on diagram: |
In LH Rear Door Diagram for 2003 BMW 330XI 3.0 L6 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 2003 BMW 330XI AUTOMOBILES
OEM drawn wiring diagrams for most 2003 BMW 330XI cars and light trucks sold in the U.S.
2003 BMW 330XI 3.0 L6 GAS Wiring Diagram Components on diagram: |
2003 BMW 330XI 3.0 L6 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2003 BMW 330XI AUTOMOBILES
OEM TSB listings for most 2003 BMW 330XI cars and light trucks sold in the U.S. from 1985+.
Document: Tools and Equipment Vehicle: 2003 BMW 330XI 3.0 L6 GAS Auto Systems: |
Document: Diagnosis Feedback with ISTA Vehicle: 2003 BMW 330XI 3.0 L6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2003 BMW 330XI AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2003 BMW 330XI 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 2003 BMW 330XI 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 2003 BMW 330XI 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 2003 BMW 330XI 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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