Market Position:
High-performance luxury sports coupe/convertible, aimed at enthusiasts and drivers seeking track-capable performance and premium build quality.
Competitive Analysis:
Competed directly with vehicles like the Porsche 911, Mercedes-Benz C63 AMG, Audi RS4, and Chevrolet Corvette. Known for its exceptional handling, powerful naturally aspirated engine, and driver-focused experience.
Key Features:
High-revving S54 inline-six engine, advanced chassis dynamics, optional SMG automated manual transmission, M Sport suspension, M Sport brakes, distinctive M styling cues.
Coverage Areas:
Full Service, Repair, Diagnostics, Troubleshooting, Maintenance, Electrical Schematics, Bodywork, Specifications
Page Count:
Extensive (Estimated 1000+ pages for comprehensive coverage)
Manual Type:
Official BMW Service and Repair Manual Software
Format:
Digital Software/PDF (Downloadable)
Systems Covered:
Engine (S54 inline-six), Drivetrain (SMG/Manual Transmission), Suspension, Steering, Brakes (ABS, DSC), Fuel System, Cooling System, Exhaust System, Electrical System (incl. DME, body control modules), HVAC, Body Interior, Body Exterior, Diagnostic Procedures, Wiring Diagrams
Powertrain Control:
Detailed coverage of engine control unit (ECU) functions, sensor inputs, actuator outputs, and emissions control systems.
Procedures Included:
Routine Maintenance, Oil Changes, Filter Replacements, Spark Plug Service, Brake Pad/Rotor Replacement, Suspension Component Replacement (bushings, shocks, struts), Engine Component Repair (VANOS, throttle bodies, oil pump), Transmission Service and Repair, Differential Service, Cooling System Bleeding and Component Replacement, Fuel Injector Service, Electrical System Diagnostics, Body Panel Alignment and Repair, HVAC System Servicing, Convertible Top Operation and Repair (if applicable)
Technical Depth:
Comprehensive: Covers basic maintenance to full engine and transmission rebuilds, detailed diagnostic fault codes (DTCs) and troubleshooting trees, wiring diagrams for all electrical systems, torque specifications for all fasteners, component removal and installation procedures with step-by-step instructions and illustrations.
Diagnostics Covered:
Detailed troubleshooting guides for common and uncommon issues, diagnostic trouble code (DTC) explanations and clearing procedures, component testing procedures, wiring diagrams for electrical fault finding.
File Format:
Searchable PDF, potentially executable software with interactive diagrams
Print Quality:
High-resolution, printable pages with clear diagrams and text
Binding Type:
N/A (Digital Software)
Paper Type:
N/A (Digital Software)
Completeness:
Official factory service manual providing comprehensive information for all systems. Includes detailed diagrams, torque values, and diagnostic procedures.
Primary Engine:
BMW S54B32 (3.2-liter inline-six)
Horsepower:
333 hp @ 7900 rpm
Torque:
262 lb-ft @ 4900 rpm
Fuel System:
Electronic Fuel Injection (EFI) with individual throttle bodies
Engine Features:
Double VANOS (Variable Valve Timing), High-compression ratio, Light-alloy construction
Valvetrain:
DOHC (Double Overhead Camshafts), 24 valves
Bore X Stroke:
3.43 in x 3.58 in (87.0 mm x 91.0 mm)
Compression Ratio:
11.5:1
Engine Management:
Bosch Motronic DME MS43
Standard Transmission:
6-speed manual transmission
Optional Transmission:
SMG (Sequential Manual Gearbox) Drivelogic
Transmission Features:
Limited-slip differential (standard on M3), M Differential Lock
Clutch:
Hydraulic, single dry plate
NHTSA Front Impact:
4/5 Stars (Driver/Passenger)
Active Safety Features:
Dynamic Stability Control (DSC), Traction Control System (TCS), Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD)
Braking System:
Front: 13.6-inch vented discs; Rear: 12.9-inch vented discs
Wheel Bolt Pattern:
5 x 120 mm
Wheel Size:
18 x 8.0 front, 18 x 9.0 rear (standard); 19 x 8.0 front, 19 x 9.5 rear (optional)
Passive Safety Features:
Front and side airbags, Crumple zones, Reinforced passenger cell
Infotainment System:
BMW Professional Radio, optional CD changer, optional navigation system (CCC)
Display Size:
4.9-inch monochromatic or 6.5-inch color display (depending on options)
Audio System:
Harman Kardon premium audio system (optional)
Driver Assistance:
DSC (Dynamic Stability Control), Cruise Control
Connectivity Features:
Optional Bluetooth hands-free connectivity
Oil Change Interval:
Condition-based servicing (CBS) system, typically around 10,000-15,000 miles or annually.
Spark Plug Interval:
Approximately 60,000 miles (specific to S54 engine, consult manual for exact interval and type)
Manual Transmission Fluid Interval:
Inspect every 30,000 miles, replacement not specified in typical interval but recommended at higher mileage.
Differential Fluid Interval:
Inspect every 30,000 miles, replacement not specified in typical interval but recommended at higher mileage.
Engine Oil Type:
BMW Longlife-01 (LL-01) synthetic oil, typically 0W-40 or 5W-40
Coolant Type:
BMW Blue Antifreeze/Coolant
Brake Fluid Type:
DOT 4 High Performance Brake Fluid
Transmission Fluid Type:
Manual: BMW MTF LT-2; SMG: BMW ATF LT-3 (consult manual for exact specifications and change intervals)
Power Steering Fluid:
Pentosin CHF 11S or equivalent
Transfer Case Fluid:
N/A (RWD vehicle)
Known Issues:
VANOS system (solenoids, seals, high-pressure hose), Rod bearings (potential wear, especially on early S54 engines), Oil pump disc (potential failure), Rear subframe mounts (stress cracks), Cooling system components (water pump, thermostat, hoses), SMG pump issues (on SMG models).
Common Maintenance Items:
Valve cover gasket replacement, fuel filter replacement, cabin air filter replacement, drive belt and tensioner inspection/replacement.
Brand Heritage:
BMW's M division has a storied history of creating motorsport-derived performance vehicles, establishing a reputation for engineering excellence and driving dynamics.
Model Evolution:
The E46 M3 represents the third generation of the M3 model. It followed the highly acclaimed E36 M3 and introduced a significantly more powerful and refined platform, building on the success of its predecessors. The E46 M3 is often considered a benchmark in its class.
Specific Models:
Coupe and Convertible variants available.
Production Years:
2000-2006
Manufacturing Location:
Regensburg, Germany
