BMW 330xi 2003 Workshop Repair Service Manual

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🏷️ Basic Information Identification Make: BMW Model: 330xi Year: 2003 Codes Chassis Code: E46 👋 Introduction Market Position Segment: Premium Compact Executive Sedan/Wagon Target Audience: Discerning drivers seeking performance, luxury,...

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标签: 2003 330xi BMW Car Cars Misc

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Description

🏷️ Basic Information

Identification

Make:

Model:

330xi

Year:

Codes

Chassis Code:

👋 Introduction

Market Position

Segment:

Premium Compact Executive Sedan/Wagon

Target Audience:

Discerning drivers seeking performance, luxury, and advanced engineering.

Competitive Analysis

Competitors:

Audi A4 Quattro, Mercedes-Benz C-Class 4MATIC, Lexus IS300.

Key Features

All Wheel Drive:

xDrive intelligent all-wheel-drive system as standard.

Engine Performance:

Smooth, powerful inline-six engine.

Handling:

Renowned BMW handling characteristics and driver engagement.

Build Quality:

High-quality interior materials and solid construction.

📋 Manual Details

Coverage Areas

Coverage:

All Models/Engines/Trim/Transmission Types for 2003 BMW 330xi

Page Count

Estimated Page Count:

1500+

Manual Type

Type:

Workshop Repair Service Manual

Language

Language:

English

Format

Format:

PDF Download

📖 Manual Coverage

Systems Covered

Engine Mechanical:

Detailed diagnosis, repair, overhaul procedures for the M54B30 engine.

Engine Management:

DME (Digital Motor Electronics) system, sensor data, troubleshooting DTCs (Diagnostic Trouble Codes).

Fuel System:

Fuel pump, injectors, fuel pressure regulation, evaporative emission control (EVAP).

Cooling System:

Radiator, water pump, thermostat, coolant specifications, bleeding procedures.

Ignition System

Ignition Diagnostics:

Coil-on-plug system, spark plug specifications, timing control.

Exhaust System

Exhaust Components:

Catalytic converter, oxygen sensors, muffler, exhaust manifold repair.

Transmission Manual

Manual Transmission Service:

Clutch replacement, gearbox overhaul, shift linkage adjustment for Getrag 6-speed.

Transmission Automatic

Automatic Transmission Service:

GM 5L475-E service, fluid change, torque converter replacement, electronic control diagnostics.

Drivetrain

X Drive AWD System:

Servicing of the xDrive all-wheel-drive system, differentials, transfer case.

Suspension

Suspension Components:

Front and rear suspension, struts, control arms, bushings, wheel bearing replacement.

Steering

Steering System Service:

Hydraulic power steering, steering rack, tie rod ends, steering column adjustments.

Brakes

Brake System Repair:

Front and rear disc brake service, ABS (Anti-lock Braking System) diagnostics, brake fluid specifications.

Electrical System

Lighting System:

Headlights, taillights, interior lighting, bulb types, wiring diagrams.

Power Accessories:

Power windows, locks, mirrors, sunroof operation and troubleshooting.

Comfort Systems:

HVAC (Heating, Ventilation, and Air Conditioning) system, climate control, seat heating.

Body And Interior

Body Panels:

Body panel removal and installation, dent repair, paint codes.

Interior Trim:

Dashboard, door panel, seat removal and reassembly.

Doors And Locks:

Door handle mechanisms, central locking system diagnostics.

Glass And Seals:

Windshield, window glass, weather stripping replacement.

Procedures Included

Routine Maintenance:

Oil changes, filter replacements, fluid checks, tire rotations, spark plug replacement.

Diagnostic Troubleshooting:

Systematic fault finding for engine, transmission, electrical, and chassis issues.

Component Replacement:

Detailed instructions for replacing major and minor components across all systems.

Engine Rebuild:

Overhaul procedures, including piston ring replacement, bearing service, cylinder head repair.

Transmission Overhaul:

Disassembly, inspection, and reassembly of automatic and manual transmissions.

Electrical Wiring Diagrams:

Comprehensive wiring schematics for all electrical circuits.

Torque Specifications:

Precise torque values for all fasteners critical to safety and performance.

Technical Depth

Depth:

Comprehensive, from basic maintenance to advanced diagnostics and complete component overhaul.

📊 Manual Specifications

File Format

File Type:

Searchable Text:

Print Quality

Resolution:

High-resolution, suitable for printing

Binding Type

Binding:

N/A (Digital PDF)

Paper Type

Paper Type:

N/A (Digital PDF)

⚙️ Engine Specifications

Primary Engine

Engine Code:

M54B30

Engine Type:

3.0L Naturally Aspirated Inline-6 Cylinder

Displacement:

2979 cc (3.0 Liters)

Bore X Stroke:

84.0 mm x 89.6 mm

Compression Ratio:

10.2:1

Performance

Horsepower:

225 hp @ 5900 rpm (SAE Net)

Torque:

214 lb-ft (290 Nm) @ 3500 rpm

Fuel System

Fuel Delivery:

Electronic Fuel Injection (Bosch Motronic ME7.2)

Recommended Fuel:

Premium Unleaded 91 Octane or higher

Engine Management

ECU Type:

DME (Digital Motor Electronics)

🔧 Transmission

Standard

Transmission Type:

5-Speed Manual (Getrag 420G)

Optional

Transmission Type:

5-Speed Automatic (GM 5L475-E)

Features

AWD System:

xDrive Permanent All-Wheel Drive with Electronic Power Distribution

📐 Dimensions

Exterior

Length:

177.4 inches (4506 mm)

Width:

68.7 inches (1745 mm)

Height:

56.1 inches (1425 mm)

Wheelbase:

107.1 inches (2720 mm)

Front Track:

58.5 inches (1486 mm)

Rear Track:

59.3 inches (1506 mm)

Weights

Curb Weight:

3660 lbs (1660 kg) - Automatic Transmission

Gross Vehicle Weight Rating:

4453 lbs (2015 kg)

Towing Capacity:

Not Recommended

🛡️ Safety Features

Ratings

NHTSA Frontal Crash:

5-Star (Driver and Passenger)

IIHS Side Impact:

Active Features

Standard Anti-lock Braking System

Standard Automatic Stability Control

Standard Brake Drying Control

Standard Dynamic Traction Control

Passive Features

Airbags:

Frontal airbags, front side-impact airbags, optional head protection airbags.

Seatbelts:

3-point inertia-reel seatbelts with pretensioners and force limiters.

Body Structure:

Reinforced safety cell with crumple zones.

💡 Technology Features

Infotainment

Head Unit:

BMW Business CD or Professional CD radios, optional navigation system (MKIV).

Audio System:

Standard 6-speaker system, optional Harman Kardon premium audio.

Driver Assistance

Parking Sensors:

Optional Park Distance Control (PDC).

Cruise Control:

Standard cruise control.

Connectivity

Bluetooth:

Optional Bluetooth integration for hands-free calling.

Onboard Computer:

Standard Check Control and On-Board Computer (OBC) for vehicle status and diagnostics.

🔧 Maintenance

Service Intervals

Oil Change Interval:

Variable; typically around 10,000-15,000 miles or 12-24 months, indicated by the Condition Based Service (CBS) system.

Brake Fluid Flush:

Every 2 years, regardless of mileage.

Coolant Flush:

First flush at 100,000 miles, then every 50,000 miles thereafter.

Spark Plug Replacement:

Approximately 60,000 miles (depending on specific plug type and driving conditions).

Fluid Specifications

Engine Oil:

SAE 5W-30 Synthetic (BMW LL-01 approved)

Coolant:

BMW Blue Antifreeze/Coolant (G48) mixed 50/50 with distilled water

Brake Fluid:

DOT 4

Power Steering Fluid:

Pentosin CHF 11S or ZF TE-ML 02K

Automatic Transmission Fluid:

BMW ATF LT71141 or Dexron III (check VIN-specific requirements)

Manual Transmission Fluid:

SAE 75W-90 Synthetic Gear Oil (BMW BOT 235 T)

Known Issues

Cooling System:

Plastic expansion tank and water pump failures are common due to age and material degradation. Vanos (Variable Valve Timing) solenoids can also fail, causing rough idling and performance issues.

Oil Leaks:

Valve cover gasket, oil pan gasket, and oil filter housing gasket leaks are prevalent.

Suspension Components:

Worn control arm bushings and rear shock mounts can lead to poor handling and clunking noises.

Window Regulators:

Plastic components in the window regulator mechanism are prone to failure.

Ccv System:

The Crankcase Ventilation (CCV) system can clog, leading to oil consumption and potential vacuum leaks.

📚 Vehicle History

Brand Heritage

Brand Identity:

BMW, known for 'The Ultimate Driving Machine', luxury, performance, and engineering innovation.

Model Evolution

E46 Generation:

The E46 generation (1998-2006) represented a significant advancement in BMW's compact executive line, known for its refined driving dynamics and modern styling.

330Xi Introduction:

The 330xi variant, introduced in 2001, added BMW's xDrive all-wheel-drive system to the powerful 3.0L engine, enhancing traction and all-weather capability.

Production

Manufacturing Locations:

Primarily Germany (Dingolfing, Munich)

🏆 Awards & Recognition

Recognitions

Ward'S 10 Best Engines:

The M54 engine family was frequently recognized for its smoothness, power, and efficiency by Ward's AutoWorld.

Car And Driver 10Best:

E46 3-Series models, including the 330xi, were consistent contenders and winners on Car and Driver's 10Best list.