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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 BMW 320I 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 2003 BMW 320I automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 2003 BMW 320I 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 2003 BMW 320I cars and light trucks from 1990+
BMW -> Automatic Temperature Control System Diagnosis & Testing -> A/C System Diagnosis & Testing -> Accessing Diagnostic Trouble Codes -> Clearing Diagnostic Trouble Codes -> Diagnostic Tests -> Diagnostic Trouble Code Interpretation
Vehicle: 2003 BMW 320I 2.2 L6 GAS
Accessing Diagnostic Trouble Codes
Stored Diagnostic Trouble Codes (DTCs) can be accessed by connecting BWM Diagnosis and Information System (DIS) or MoDIC, or suitably programmed scan tool to the Diagnostic Link Connector (DLC). Follow tool manufacturer's instructions to access codes.
Diagnostic Trouble Code Interpretation
All information regarding the Diagnostic Trouble Codes (DTCs) are contained within the BWM Diagnosis and Information System (DIS) or MoDIC. Except for Digital Motor Electronics (DME), BMW does not provide the D...
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A/C & HEATER SERVICE PROCEDURES FOR 2003 BMW 320I 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 2003 BMW 320I cars and light trucks from 1990+
BMW -> Cooling Fans -> Component Replacement -> M Coupe, M Roadster & Z4 -> M3, 325 & 330 -> X5
Vehicle: 2003 BMW 320I 2.2 L6 GAS
M Coupe, M Roadster & Z4
- Remove radiator top cover.
- Remove mounting bolts and front splash shield, as required.
- On models were fan carrier may be removed from above, proceed as follows:
- Remove fan carrier mounting bolts, Fig. .
- Disconnect connector.
- Remove brackets and fan from retaining shoe.
- On models were fan carrier may be removed from below, proceed as follows:
- Remove front bumper as outlined under "Condenser, Replace" in "Component Replacement & Adjustment" section.
- Disconnect connector.
- Rem...
CLICK HERE TO GET FULL ACCESS TO 2003 BMW 320I A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 BMW 320I 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 2003 BMW 320I cars and light trucks from 1990+
BMW -> Component Replacement & Adjustment -> Radiator, Replace -> 3.0i -> 325 & 330 -> 4.4i & 4.6i -> 525 & 530 -> 540 -> 740, 745 & 760 -> 750 -> M Coupe, Mini Cooper, M Roadster & Z4 -> M3, 325 & 330 -> M5 -> X5 -> Z8
Vehicle: 2003 BMW 320I 2.2 L6 GAS
M3, 325 & 330
- Remove oil cooler underguard.
- Place suitable container to collect escaping oil cooler fluids.
- Remove mounting bolts and disconnect oil cooler line.
- Remove mounting bolt and oil cooler.
- Raise and support vehicle, then drain coolant into suitable container.
- Remove mounting bolts and underbody protection.
- Remove expansion rivets, intake hood and pipe.
- Disconnect lefthand Xenon headlamp connector and cover.
- Remove mounting bolts and lefthand Xenon headlamp control module.
- Disconnect hose clamp and housing plu...
CLICK HERE TO GET FULL ACCESS TO 2003 BMW 320I A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 BMW 320I 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 2003 BMW 320I cars and light trucks from 1990+
BMW -> Component Replacement & Adjustment -> Receiver, Replace -> 740, 745, 750 & 760 -> M3, 325 & 330 -> M5, 525, 530 & 540 -> X5
Vehicle: 2003 BMW 320I 2.2 L6 GAS
Do not remove the new receiver plugs until the unit is ready to be connected to the refrigerant lines.
M3, 325 & 330
- Recover refrigerant as outlined under .
- Remove mounting bolt, then the pressure and suction pipe. Plug or cap lines and openings.
- Remove mounting screws and front wheelwell panels.
- Loosen mounting bolts and remove receiver.
- Reverse procedure to install. Install new O-rings.
M5, 525, 530 & 540
- Recover refrigerant as outlined under .
- Disconnect righthand headlamp connector by turning it approximately 30° c...
CLICK HERE TO GET FULL ACCESS TO 2003 BMW 320I A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 BMW 320I 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 2003 BMW 320I cars and light trucks from 1990+
Air Bag System Precautions -> BMW -> Arming
Vehicle: 2003 BMW 320I 2.2 L6 GAS
- Ensure nobody is in vehicle, then connect battery positive cable, then ground cable.
- From a safe position to the side of or below air bag modules, turn ignition On and observe air bag indicator lamp. Lamp s...
CLICK HERE TO GET FULL ACCESS TO 2003 BMW 320I A/C & HEATER SERVICE PROCEDURES
A/C & HEATER SERVICE PROCEDURES FOR 2003 BMW 320I 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 2003 BMW 320I cars and light trucks from 1990+
BMW -> Component Replacement & Adjustment -> Expansion Valve, Replace -> 740, 745, 750 & 760 -> M Coupe & M Roadster -> M3, 325 & 330 -> M5, 525, 530 & 540 -> X5 -> Z4
Vehicle: 2003 BMW 320I 2.2 L6 GAS
M Coupe & M Roadster
- Recover refrigerant as outlined under .
- Remove mounting bolts and pipes.
- Remove holder, mounting bolts and pipes with pressure plate.
- Remove mounting bolts and cover.
- Remove mounting bolts and expansion valve.
- Reverse procedure to install. Install new O-rings.
M3, 325 & 330
- Recover refrigerant as outlined under .
- Remove heater bulkhead as outlined under "Heater Core, Replace."
- Remove mounting bolt, then the pressure and suction pipe.
- Disconnect unlocking mechanism and remove circul...
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