🏷️ Basic Information

Make:

BMW

Model:

3 Series

Model Variants:

M3, 323i, 325i, 325xi, 328i, 330i, 330xi

Chassis Code:

E46

Engine Codes Overview:

Various including M50, M52, M54, S54 (M3)

👋 Introduction

Target Audience:

BMW 3 Series E46 owners (DIY enthusiasts and professional mechanics)

Value Proposition:

Comprehensive, factory-level repair information at a fraction of the cost of OEM manuals or dealership service, with instant digital access

Accessibility:

Instant download, broad compatibility

Comprehensiveness:

Covers a wide range of models and topics from basic maintenance to in-depth repairs

📋 Manual Details

Primary Coverage:

Workshop Repair and Maintenance

Secondary Coverage:

Troubleshooting, Diagnostics, Disassembly, Rebuilding, Assembly

Estimated Page Count:

N/A (Digital format, comprehensive content)

Type:

Workshop Manual / Service Manual / Repair Manual

Language:

English

Delivery Method:

Instant Download via Email

📖 Manual Coverage

Powertrain:

Engine (all variants), Ignition, Fuel System, Cooling System, Exhaust System and Emission Controls, Manual Transmission, Automatic Transmission, Driveshaft and Final Drive

Chassis:

Brakes, Suspension, Steering

Electrical And Body:

Electrical System, Body and Interior

Maintenance:

Routine service, fluid changes, filter replacements, inspections

Repair And Rebuild:

Engine component overhaul, transmission repair, brake system service, suspension component replacement, electrical system troubleshooting, interior trim removal/installation

Diagnostics:

Troubleshooting vehicle problems, identifying causes, diagnostic procedures

Depth:

Comprehensive, from basic maintenance to advanced repair and rebuilding procedures for both beginner and experienced mechanics

📊 Manual Specifications

Format:

PDF / WINZIP

Compatibility:

All operating systems and devices with a PDF reader

Quality:

High-resolution digital format, suitable for printing individual sections or the entire manual

Type:

N/A (Digital file)

Type:

N/A (Digital file)

⚙️ Engine Specifications

Engine Lineup Overview:

Inline-4 (e.g., 323i) and Inline-6 (e.g., 325i, 328i, 330i, M3) gasoline engines. Specifics vary by model.

Typical Performance Ranges:

Horsepower: 170hp (323i) to 333hp (M3 CSL). Torque: Varies accordingly.

Induction Type:

Naturally Aspirated (with VANOS variable valve timing on most variants), Sequential Multi-Point Fuel Injection (MPI)

Spark Plugs:

Specific types and gap settings vary by engine. Manual provides exact specifications.

Oil Type:

Synthetic oil recommended. Specific viscosity (e.g., 5W-30, 5W-40) and API/ACEA specifications are model and engine dependent. Manual lists exact requirements.

Coolant Type:

Ethylene glycol-based coolant, typically BMW Blue or compatible. Manual specifies exact type and mixture ratio.

🔧 Transmission

Gearbox Options:

5-speed Manual Transmission (Getrag or ZF), 5-speed Automatic Transmission (Steptronic on some models)

Transmission Features:

Steptronic manual shifting mode for automatic transmissions.

Manual Transmission Fluid:

Specific gear oil type (e.g., ATF Dexron III for automatics, specific manual transmission fluid for manuals). Capacities and change intervals provided in manual.

Automatic Transmission Fluid:

BMW recommends specific fluid types for optimal performance and longevity. Manual will detail compatible fluids and change procedures.

📐 Dimensions

E46 Sedan Length:

Approximately 4471 mm (176.0 in)

E46 Coupe Length:

Approximately 4471 mm (176.0 in)

E46 M3 Length:

Approximately 4492 mm (176.9 in)

Curb Weight Range:

Approximately 1470 kg (3240 lbs) for 323i to over 1600 kg (3527 lbs) for M3 variants. Manual provides specific weights for each model.

Wheel Bolt Pattern:

5x120 mm

Tire Size Range:

Commonly 205/50R17, 225/45R17, 225/40R18, 255/35R18. Specifics depend on model and trim. Manual provides OEM sizes and recommended alternatives.

🛡️ Safety Features

IIHS And NHTSA Ratings Overview:

The E46 generation generally received good safety ratings for its era, with many models achieving 'Good' in frontal and side impact tests. Manual may refer to specific safety equipment and inspection points.

Active Safety Systems:

Anti-lock Braking System (ABS), Dynamic Stability Control (DSC) or Automatic Stability Control (ASC+T) on many models.

Passive Safety Systems:

Front airbags, side airbags, pretensioned seatbelts, reinforced chassis structure.

💡 Technology Features

Audio Systems:

Standard BMW Business CD player, optional BMW Professional CD/RDS radio. Harman Kardon audio upgrade available on some models. Manual covers basic radio/speaker troubleshooting.

Cruise Control:

Standard on most models, controlled via steering wheel buttons or stalk. Manual details operation and troubleshooting.

Navigation:

Optional MKIII or MKIV navigation systems available. Manual may cover basic operation and DVD updates for navigation.

OBD Ii Interface:

On-Board Diagnostics II (OBD-II) port for fault code reading. Manual provides common BMW fault codes and diagnostic procedures.

🔧 Maintenance

Oil Change Interval:

Variable Service Interval (VSI) system based on driving conditions, typically around 10,000-15,000 miles or annually. Manual provides VSI system interpretation.

Major Service Items:

Spark plugs, ignition coils, fuel filters, coolant, brake fluid, differential fluid. Manual details recommended intervals for these and other items.

Brake Fluid:

DOT 4 (or DOT 4 LV for ABS systems). Manual specifies exact type and bleeding procedures.

Power Steering Fluid:

Pentosin CHF 11S or equivalent. Manual confirms the correct type.

Subframe Cracks:

Common issue on E46 coupes and convertibles due to chassis flex. Manual may offer inspection points or reinforcement advice.

Cooling System Failure:

Plastic components (expansion tank, water pump, thermostat housing) can become brittle. Regular inspection and replacement are recommended. Manual covers diagnosis and replacement.

Oil Vanos Seals:

Leaking VANOS seals can cause rough idling or hesitation. Manual details the VANOS system and seal replacement.

Window Regulator Failure:

Common issue leading to windows not operating. Manual provides disassembly and replacement procedures for door panels and regulators.

📚 Vehicle History

Bmw Legacy:

BMW's reputation for sporty driving dynamics, advanced engineering, and premium quality.

E46 Generation Introduction:

Launched in 1998 for the 1999 model year, replacing the E36 generation. Known for its balanced chassis and driver-focused design.

M3 Introduction:

The E46 M3, introduced for the 2001 model year, featured a high-revving S54 inline-6 engine and track-honed chassis modifications.

Production Years:

1999-2006 (sedans, coupes, convertibles, wagons); 2000-2006 (M3)

Manufacturing Locations:

Primarily Germany (Dingolfing, Regensburg), also South Africa, Egypt, and Thailand.

🏆 Awards & Recognition

Car And Driver 10 Best:

The E46 3 Series (including various models like 323i, 328i, 330i) was a frequent recipient of Car and Driver's '10Best' award, underscoring its benchmark status in the segment.

Motor Trend Car Of The Year:

While not specifically winning 'Car of the Year' for the entire model line, the E46 consistently received high praise and accolades from automotive media for its performance and handling.

E46 M3 Performance Reviews:

The E46 M3 received exceptional reviews for its driving dynamics, powerful engine, and overall performance, often cited as one of the best M cars ever produced.