🏷️ Basic Information

Make:

BMW

Model:

M3

Generation Designation:

E46

Chassis Code:

E46

👋 Introduction

Market Position:

The BMW M3 (E46) represents the pinnacle of the 3 Series line, a highly sought-after performance coupe and convertible known for its potent engine, engaging driving dynamics, and luxury appointments. This manual caters to owners and technicians looking to maintain and repair this iconic M car.

Competitive Analysis:

Competed directly with performance sedans and coupes from marques like Porsche (911, Boxster), Mercedes-Benz (C-Class AMG), Audi (S4), and Chevrolet (Corvette C5). The E46 M3 was lauded for its track-focused engineering and exceptional balance.

Key Features:

Naturally aspirated S54 engine, motorsport-derived chassis, precise steering, robust build quality, driver-centric interior.

📋 Manual Details

Manual Coverage Years:

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

Estimated Page Count:

1500+

Manual Type:

Workshop Service Manual (WSM) / Repair Manual

Language:

English

Format:

Digital (likely PDF)

📖 Manual Coverage

Engine Systems:

S54 Engine (3.2L inline-6), Engine Mechanical, Engine Electrical, Fuel System, Cooling System, Lubrication System, Ignition System, Exhaust System

Drivetrain Systems:

Transmission (Getrag 420G 6-speed manual), Clutch, Driveshaft, Differential, Axles

Chassis Suspension Steering:

Front Suspension (McPherson strut, control arms), Rear Suspension (Multi-link), Steering System (Hydraulic power steering), Wheel Bearings

Braking System:

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

Electrical Electronics:

Body Control Module (BCM), DME (Digital Motor Electronics), EWS (Electronic Immobilizer System), Instrument Cluster, Lighting Systems, Power Accessories, SRS (Supplemental Restraint System - Airbags), Infotainment System (Basic)

Body Interior:

Body Panels, Doors, Hood, Trunk, Interior Trim, Seats, HVAC (Heating, Ventilation, and Air Conditioning)

Maintenance Procedures:

Oil Changes, Filter Replacements, Spark Plug Replacement, Coolant Flush, Brake Fluid Flush, Belt Inspection/Replacement, Air Filter Replacement

Repair Procedures:

Engine Component Rebuilds (e.g., VANOS, rod bearings), Transmission Overhaul, Suspension Component Replacement, Brake Caliper/Rotor Replacement, Steering Rack Replacement, Electrical Component Diagnosis and Replacement, Body Panel Repair

Diagnostic Procedures:

Troubleshooting Fault Codes (OBD-II), Wiring Diagrams for diagnosis, Component Testing, System Checks

Technical Depth:

Comprehensive, covering routine maintenance to complete engine and transmission overhauls, including detailed diagnostic procedures and specifications.

📊 Manual Specifications

File Format Details:

High-resolution PDF, searchable text, printable pages, vector graphics for diagrams.

Print Quality:

Professional grade, clear text and crisp illustrations/diagrams.

Binding Type:

N/A (Digital format)

Paper Type:

N/A (Digital format)

⚙️ Engine Specifications

Engine Code:

S54B32

Engine Type:

Naturally Aspirated, Inline 6-Cylinder, DOHC, 24 Valves

Displacement:

3.2 Liters (3246 cc)

Horsepower:

333 hp @ 7900 rpm

Torque:

262 lb-ft @ 4900 rpm

Fuel Delivery:

Electronic Fuel Injection (EFI) with individual throttle bodies

Fuel Type:

Premium Unleaded Gasoline (91+ octane)

Variable Valve Timing:

Double VANOS (Variable valve timing for intake and exhaust camshafts)

Compression Ratio:

11.5:1

Redline:

8000 rpm

🔧 Transmission

Standard Transmission Type:

Getrag 420G 6-Speed Manual

Optional Transmission Type:

SMG (Sequential Manual Gearbox) II - Electro-hydraulically actuated clutch and gear shifting

Clutch Type:

Hydraulically actuated single dry plate clutch

Differential:

M Variable Lock Differential (0-100% locking)

📐 Dimensions

Length:

Coupe: 180.7 in (4590 mm) / Convertible: 181.1 in (4600 mm)

Width:

70.1 in (1780 mm)

Height:

Coupe: 53.3 in (1354 mm) / Convertible: 53.7 in (1364 mm)

Wheelbase:

107.5 in (2730 mm)

Curb Weight:

Coupe: ~3550 lbs (1610 kg) / Convertible: ~3750 lbs (1700 kg)

Gross Vehicle Weight Rating:

Approx. 4500 lbs (2041 kg)

Trunk Volume:

Coupe: ~11.2 cu ft (317 L)

🛡️ Safety Features

NHTSA Front Impact Rating:

Not explicitly rated for E46 M3 generation, but standard 3-series typically performed well.

Active Safety Systems:

ABS (Anti-lock Braking System), DSC (Dynamic Stability Control), Traction Control

Passive Safety Features:

Front Airbags, Side Airbags (optional/standard depending on market), Pretensioner Seatbelts, Crumple Zones

💡 Technology Features

Infotainment System:

BMW Business CD or Professional CD radio with optional Navigation System (MKIII/MKIV) and Harmon Kardon sound system.

Driver Assistance Features:

ABS, DSC, Cruise Control

Connectivity Features:

Optional Bluetooth hands-free system (car phone functionality).

Other Technology Features:

Xenon Headlights, Rain-sensing wipers, Automatic Climate Control, Power adjustable seats with memory

🔧 Maintenance

Oil Change Interval:

Every 7,500-10,000 miles or annually, whichever comes first. Refer to Condition Based Service (CBS) system.

Spark Plug Replacement Interval:

Approx. 60,000 miles (check specific maintenance codes)

Coolant Flush Interval:

Every 2-3 years or 30,000 miles

Brake Fluid Flush Interval:

Every 2 years

Engine Oil Specification:

BMW Longlife-01 (LL-01) Approved 0W-40 or 5W-40 Synthetic Oil

Engine Oil Capacity:

Approx. 6.9 US quarts (6.5 liters) with filter

Coolant Specification:

BMW Blue Antifreeze/Coolant (G48) or equivalent ethylene glycol based coolant with corrosion inhibitors

Transmission Fluid Manual:

MTF LT-2 or equivalent high-quality manual transmission fluid

Differential Fluid Specification:

BMW Hypoid Gear Oil G2 (SAF-XJ) or equivalent limited-slip differential fluid

Power Steering Fluid:

Pentosin CHF 11S or equivalent hydraulic fluid

Common Issues:

Rod Bearing Failure (crucial to monitor and consider preventative replacement), VANOS system issues, SMG hydraulic pump failures, Subframe mounting point cracking, Oil consumption, Oil leaks (valve cover gasket, oil pan gasket), Cooling system components (water pump, thermostat, hoses).

Preventative Maintenance Focus:

Emphasis on meticulous maintenance, especially regarding engine oil quality and change intervals, and inspection for subframe stress cracks.

📚 Vehicle History

Brand Heritage:

BMW M GmbH (formerly BMW Motorsport) has a rich history in motorsport and performance vehicle development, translating racing technology to production cars.

Model Evolution:

The E46 M3 succeeded the E36 M3 and introduced the high-revving S54 engine, a significant departure from the E36's S50/S52. It was a critical and commercial success, cementing the M3's reputation.

Production Period:

2000-2006 (for the E46 M3)

Production Variants:

Coupe (2-door), Convertible (4-seat)

Special Editions:

M3 CS (Club Sport), M3 CSL (Coupe Sport Lightweight) - highly desirable variants

🏆 Awards & Recognition

Recognitions:

Consistently ranked as one of the best performance cars of its era by automotive publications like Car and Driver, MotorTrend, and Road & Track. Often cited for its handling and engine.