🏷️ Basic Information

Make:

BMW

Model:

3 Series

Chassis Code:

E46

Body Style:

Convertible

Engine Variant:

328i

Model Years Covered:

1999, 2000, 2001, 2002, 2003, 2004, 2005

Engine Code:

M52TU B28 (2.8L)

👋 Introduction

Segment:

Compact Executive Convertible

Target Audience:

Enthusiasts, DIY mechanics, and professional automotive technicians

Key Competitors:

Mercedes-Benz CLK, Audi A4 Cabriolet, Lexus IS Convertible

Vehicle Platform:

E46 platform, known for its balanced chassis and engaging driving dynamics

Manual Value Proposition:

Provides in-depth, actionable information for maintaining and repairing the 328i Convertible, empowering owners to perform tasks themselves and reducing reliance on costly dealership services.

📋 Manual Details

Manual Type:

Service and Repair Manual

Language:

English

Format:

Digital (PDF)

Document Scope:

Comprehensive

📖 Manual Coverage

Engine Mechanical:

Engine assembly, cylinder head, valve train, crankshaft, pistons, connecting rods, lubrication system, cooling system

Engine Management:

Fuel injection (DME), ignition system, emission control systems (SES), engine control module (ECM) diagnostics

Transmission:

Manual and Automatic transmission overhaul, clutch system, driveline, driveshafts, differentials

Suspension:

Front and rear suspension components, shock absorbers, struts, springs, control arms, bushings

Brakes:

Hydraulic system, ABS, DSC, brake pads, rotors, calipers, brake lines, parking brake

Steering:

Power steering system, steering rack, steering column, tie rods

Electrical System:

Battery, alternator, starter, lighting, fuses, relays, wiring diagrams, body control module (BCM)

Body And Interior:

Body panels, doors, hood, trunk, convertible top mechanism, seats, dashboard, trim panels

HVAC:

Heating, ventilation, and air conditioning system (climate control), blower motor, A/C compressor, refrigerant system

Infotainment And Comfort:

Radio, navigation system, premium sound systems, power windows, central locking, cruise control

Preventative Maintenance:

Oil changes, filter replacements, fluid checks and flushes, spark plug replacement, belt inspection and replacement

Troubleshooting:

Diagnostic procedures for common faults, symptom-based troubleshooting guides, fault code interpretation

Repair Procedures:

Step-by-step instructions for component removal, installation, and adjustment for all major systems

Diagnostic Tests:

Procedures for testing sensors, actuators, control modules, and electrical circuits

Convertible Top Service:

Hydraulic system diagnostics, motor replacement, fabric care, sealing adjustments

Wheel Alignment And Balancing:

Specifications and procedures for wheel alignment and tire balancing

Special Tools:

Identification and usage of specialized tools required for specific repairs

Diagnostic Capability:

Advanced diagnostics, including interpretation of diagnostic trouble codes (DTCs) and live data streams

Rebuild Procedures:

Detailed instructions for engine and transmission rebuilds, including torque specifications and clearances

Wiring Diagrams:

Comprehensive electrical wiring diagrams for all vehicle systems, color-coded and clearly labeled

Component Specifications:

Detailed specifications for all major components, including tolerances, clearances, and material properties

Torque Values:

Precise torque specifications for all fasteners and critical components

📊 Manual Specifications

File Type:

PDF

Searchability:

Fully searchable text for quick access to information

Print Capability:

Printable pages

Image Resolution:

High-resolution images and diagrams

Binding Type:

N/A (Digital Format)

Paper Type:

N/A (Digital Format)

Estimated Page Count:

1500+

⚙️ Engine Specifications

Engine Type:

Inline 6-cylinder, Naturally Aspirated

Displacement:

2793 cc (2.8 Liters)

Bore X Stroke:

84.0 mm x 83.6 mm

Compression Ratio:

10.2:1

Valve Train:

Dual Overhead Camshafts (DOHC), 4 valves per cylinder, VANOS (Variable Valve Timing)

Horsepower:

193 hp @ 5500 rpm

Torque:

206 lb-ft (280 Nm) @ 3250 rpm

Fuel Delivery:

Sequential Multi-Point Fuel Injection (MPI)

Fuel Type:

Premium Unleaded Gasoline (91 octane or higher recommended)

Engine Oil Capacity:

6.5 Liters (6.9 Quarts) with filter change

Engine Oil Specification:

BMW Longlife-98 (LL-98) or API SJ, ACEA A3/B3, SAE 5W-30 or 5W-40

🔧 Transmission

Transmission Type:

5-Speed Manual (Getrag 260Z)

Transmission Type:

5-Speed Steptronic Automatic (GM A5S360R)

Clutch Type:

Hydraulically actuated single dry plate

Manual Transmission Fluid:

BMW MTF LT-2 or equivalent (refer to manual for exact specification)

Automatic Transmission Fluid:

BMW ATF LT-3 or equivalent (refer to manual for exact specification)

📐 Dimensions

Length:

170.2 inches (4323 mm)

Width:

68.9 inches (1751 mm)

Height:

53.6 inches (1362 mm)

Wheelbase:

107.4 inches (2728 mm)

Front Track:

58.2 inches (1478 mm)

Rear Track:

58.6 inches (1488 mm)

Trunk Volume:

11.1 cu ft (314 L) with top up; reduced capacity with top down

Curb Weight:

Approx. 3680 lbs (1669 kg) for manual; 3790 lbs (1719 kg) for automatic

Gross Vehicle Weight Rating:

Approx. 4564 lbs (2070 kg)

🛡️ Safety Features

NHTSA Front Impact:

4/5 Stars (for 3 Series Coupe/Convertible models of this generation)

ABS:

Standard Anti-lock Braking System

Dsc:

Standard Dynamic Stability Control

Traction Control:

Standard Automatic Stability Control (ASC+T)

Airbags:

Frontal airbags, optional side airbags

Rollover Protection:

Automatic rollover protection system (pop-up hoops)

Seatbelts:

Pretensioning seatbelts

💡 Technology Features

Audio System:

Standard Hi-Fi or optional Harman Kardon premium audio systems

Navigation:

Optional MK II or MK III Navigation systems

Cruise Control:

Standard cruise control

Phone Integration:

Optional Bluetooth preparation with cradle

🔧 Maintenance

Oil Change Interval:

Every 10,000-15,000 miles or annually, based on condition monitoring system (CBS) or pre-programmed interval

Engine Air Filter Replacement:

Every 30,000-45,000 miles or as needed

Cabin Air Filter Replacement:

Every 15,000-30,000 miles or annually

Spark Plug Replacement:

Every 60,000-100,000 miles (depending on spark plug type, e.g., Long Life)

Coolant Flush:

Every 30,000-60,000 miles or every 2-4 years

Brake Fluid Flush:

Every 2 years, regardless of mileage

Power Steering Fluid:

BMW Power Steering Fluid or Pentosin CHF 11S (refer to manual)

Brake Fluid:

DOT 4 Low Viscosity (LV)

Coolant:

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

Cooling System:

Plastic coolant expansion tanks prone to cracking, water pump failure (plastic impeller), thermostat housing leaks

Suspension:

Front control arm bushings wear out, rear subframe mounts can crack, strut mounts degrade

Electrical:

Window regulator failures, VANOS solenoid issues, ignition coil failures, ABS/DSC sensor failures

Convertible Top:

Hydraulic leaks, motor failures, fabric wear and tear, rear window separation

Oil Leaks:

Valve cover gasket, oil filter housing gasket, oil pan gasket seepage

📚 Vehicle History

Bmw History:

Bayerische Motoren Werke AG (BMW) is a German luxury and premium performance vehicle manufacturer with a rich history dating back to 1916.

E46 Generation:

The E46 generation of the 3 Series was produced from 1998 to 2006, succeeding the E36. It was lauded for its superior chassis dynamics, improved interior quality, and advanced technology compared to its predecessor.

E46 Convertible Production Years:

1999-2006

Manufacturing Locations:

Primarily Germany (Dingolfing, Munich), also South Africa and Mexico

🏆 Awards & Recognition

Car And Driver 10Best:

The E46 3 Series (various models) was a multiple recipient of Car and Driver's 10Best list during its production run, recognizing its outstanding driving dynamics and overall excellence.

Motor Trend Car Of The Year:

While not always a specific winner, the 3 Series consistently competed at the top tier for import car of the year awards.