BMW 330xi 2003 Full Service Repair Manual

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🏷️ Basic Information Identification Make: BMW Model: 330xi Year: 2003 Codes Chassis Code: E46 Generation Generation Designation: Third Generation (E46) 👋 Introduction Market Position Segment: Compact Executive Sedan/Wagon Target Audience:...

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Description

🏷️ Basic Information

Identification

Make:

Model:

330xi

Year:

Codes

Chassis Code:

Generation

Generation Designation:

Third Generation (E46)

👋 Introduction

Market Position

Segment:

Compact Executive Sedan/Wagon

Target Audience:

Discerning drivers valuing performance, luxury, and all-weather capability

Competitive Analysis

Key Competitors:

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

Key Features

Drivetrain:

BMW's xDrive all-wheel-drive system for enhanced traction and stability

Engine Performance:

Smooth and powerful inline-six engine

Handling:

Renowned BMW handling dynamics, adapted for AWD

Build Quality:

High standards of German engineering and materials

📋 Manual Details

Coverage Areas

Primary Coverage:

Full Service, Repair, Maintenance, Rebuild, Refurbishment, Restoration

Intended User:

Professional Technicians and Advanced DIY Enthusiasts

Page Count

Estimated Pages:

1500+

Manual Type

Type:

Factory Service Manual / Repair Manual

Language

Language:

English

Format

Format:

Digital (likely PDF)

📖 Manual Coverage

Systems Covered

Powertrain:

Engine (M54B30), Cooling System, Fuel System, Exhaust System, Ignition System

Drivetrain:

All-Wheel Drive (xDrive) System, Transfer Case, Drive Shafts, Axles, Differentials

Transmission:

Automatic Transmission (e.g., GM 5L40-E), Manual Transmission (optional), Clutch System

Suspension Steering:

Front Suspension (MacPherson Strut), Rear Suspension (Multi-link), Steering System (Hydraulic Power Steering), Wheel Bearings

Brakes:

Front Disc Brakes (Vented), Rear Disc Brakes, ABS (Anti-lock Braking System), DSC (Dynamic Stability Control), Parking Brake System

Electrical Electronics:

Engine Control Module (ECM), Body Control Module (BCM), Lighting System, Power Accessories, Battery, Alternator, Starter, Instrument Cluster, Diagnostics (OBD-II)

Comfort Convenience:

HVAC System (Heating, Ventilation, Air Conditioning), Power Windows, Power Locks, Sunroof, Seats, Mirrors

Body Chassis:

Body Panels, Doors, Hood, Trunk, Bumpers, Chassis Components, Corrosion Protection

Procedures Included

Maintenance:

Oil Changes, Filter Replacements, Spark Plug Service, Belt Inspection/Replacement, Fluid Checks and Changes

Troubleshooting:

Diagnostic Trouble Codes (DTCs), Symptom-Based Diagnostics, Component Testing

Repair Rebuild:

Engine Overhaul, Transmission Rebuild, Suspension Component Replacement, Brake System Repair, Electrical Component Diagnosis and Repair

Restoration:

Bodywork Repair, Interior Refurbishment, Component Refinishing

Technical Depth

Depth:

Comprehensive from basic checks to complete overhauls, including wiring diagrams and torque specifications

📊 Manual Specifications

File Format

Format:

Searchable:

Likely Text-Searchable (depending on source scan quality)

Print Quality

Quality:

Dependent on source; typically high-resolution scans of original factory manuals

Binding Type

Binding:

N/A (Digital Format)

Paper Type

Type:

N/A (Digital Format)

⚙️ Engine Specifications

Primary Engine

Engine Code:

M54B30

Configuration:

Inline 6-Cylinder, Naturally Aspirated

Displacement:

2979 cc (3.0 Liters)

Bore X Stroke:

84.0 mm x 89.6 mm

Compression Ratio:

10.2:1

Valvetrain:

Double Overhead Camshafts (DOHC), 24 Valves, VANOS (Variable Valve Timing)

Fuel Delivery:

Electronic Fuel Injection (EFI), Sequential Multi-Port Fuel Injection (MFI)

Ignition System:

Distributorless Ignition System (DIS) with Coil-on-Plug (COP)

Performance

Horsepower:

225 hp @ 5900 rpm (approx.)

Torque:

214 lb-ft @ 3500 rpm (approx.)

Fuel System

Fuel Type:

Premium Unleaded Gasoline (91 Octane Recommended)

Fuel Tank Capacity:

66 Liters (17.4 Gallons)

🔧 Transmission

Standard

Type:

5-Speed Automatic Transmission (GM 5L40-E)

Optional

Type:

6-Speed Manual Transmission (Getrag S6-37)

Features

Automatic Features:

Steptronic (Manual Mode), Electronic Control

Manual Features:

Hydraulic Clutch, Dual-Mass Flywheel

Fluid Specifications

Automatic Transmission Fluid Type:

BMW ETL-7045E / Dexron III (or equivalent)

Manual Transmission Fluid Type:

BMW Manual Transmission Fluid (e.g., Pentosin MTF LT-2)

📐 Dimensions

Exterior

Length:

4526 mm (178.2 in)

Width:

1757 mm (69.2 in)

Height:

1415 mm (55.7 in)

Wheelbase:

2760 mm (108.7 in)

Front Track:

1471 mm (57.9 in)

Rear Track:

1477 mm (58.1 in)

Weights

Curb Weight:

1565 kg (3450 lbs) (approx., depending on options)

Gross Vehicle Weight Rating:

2000 kg (4409 lbs) (approx.)

Cargo

Trunk Volume:

440 Liters (15.5 cu ft)

🛡️ Safety Features

Ratings

NHTSA Front Impact:

5-Star (Driver), 5-Star (Passenger)

IIHS Side Impact:

Good (for models equipped with side airbags)

Active Features

Stability Control:

Dynamic Stability Control (DSC)

Traction Control:

Automatic Stability Control and Traction (ASC+T)

Braking System:

Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD)

Passive Features

Airbags:

Frontal Airbags, Side-Curtain Airbags (optional/standard depending on market), Seat-Mounted Side Airbags (optional)

Seatbelts:

3-Point Inertial Reel Seatbelts with Pretensioners and Force Limiters

Child Seat Anchors:

LATCH System (Lower Anchors and Tethers for Children)

💡 Technology Features

Infotainment

System Name:

BMW Professional Radio, optional Navigation System (CCC generation)

Display:

Color LCD display (i-Drive controller in later models of this generation)

Audio System:

Standard Hi-Fi System, optional Harman Kardon Sound System

Driver Assistance

Stability Control Features:

DSC, ABS, Traction Control

Connectivity

Optional Features:

Bluetooth preparation, SiriusXM Satellite Radio readiness

🔧 Maintenance

Service Intervals

Oil Change Interval:

Variable Service Indicator (VSI) system, typically 10,000-15,000 miles or annually, depending on driving conditions.

Spark Plug Replacement:

Platinum spark plugs: ~100,000 miles; Iridium spark plugs: ~60,000 miles (refer to manual for exact specification)

Coolant Flush:

Every 2-4 years or as indicated by the condition of the coolant

Transmission Fluid Change:

Automatic: Typically a 'lifetime' fill by factory but recommended every 60,000-100,000 miles; Manual: Check manual, often around 60,000 miles.

Fluid Specifications

Engine Oil Type:

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

Engine Oil Capacity:

6.5 Liters (6.9 US Quarts)

Coolant Type:

BMW Blue Antifreeze/Coolant (G48)

Brake Fluid Type:

DOT 4

Known Issues

Cooling System:

Plastic expansion tank failure, water pump leaks, thermostat housing leaks, radiator failure

Engine:

CCV (Crankcase Ventilation) system issues leading to oil leaks/consumption, VANOS solenoid failure, oil pan gasket leaks, ignition coil failures

Suspension:

Front control arm bushings, rear subframe bushings, strut mounts, ball joints

Electrical:

Window regulators, blower motor resistor, ABS/DSC sensor failures, VANOS issues

📚 Vehicle History

Brand Heritage

Heritage Focus:

BMW's long-standing reputation for performance, driving dynamics, and build quality

Model Evolution

E46 Generation:

The E46 generation (1998-2006) represented a significant evolution for the 3 Series, blending sportiness with increased refinement and technology.

330Xi Introduction:

The 'xi' designation signifies BMW's xDrive all-wheel-drive system, first introduced for the E46 generation, offering enhanced capability for various weather conditions.

Production

Production Period:

The 330xi model was produced from 2001 to 2006 as part of the E46 generation.

Manufacturing Locations:

Primarily Germany (Dingolfing, Munich), also South Africa and USA (Spartanburg)

🏆 Awards & Recognition

Recognitions

General Reputation:

The E46 3 Series, including the 330xi, was widely praised for its driving dynamics, build quality, and sporty character.

Ratings

Consumer Reports:

Often received good ratings for reliability and performance, though specific model years and common issues are noted.

Certifications

Automotive Journalism:

Consistently ranked highly by automotive journalists for its balance of performance, luxury, and practicality.