Segment:
High-performance compact executive sports coupe/convertible.
Competitors:
Porsche 911 (996), Mercedes-Benz C55 AMG, Chevrolet Corvette C5, Audi RS4 B5.
Performance Focus:
Renowned for its motorsport-derived S54 engine, exceptional handling, and driver engagement.
Manual Utility:
Essential for DIY enthusiasts and professional mechanics aiming to maintain or repair this iconic M model.
Engine:
Complete engine mechanicals, lubrication system, cooling system, fuel system (including injection and ignition), exhaust system.
Transmission:
SMG (Sequential Manual Gearbox) and 6-speed manual transmission: removal, installation, overhaul, clutch, drive shafts, differential.
Brakes:
ABS, DSC (Dynamic Stability Control), brake hydraulics, brake pad and rotor replacement, bleeding procedures, parking brake.
Suspension And Steering:
Front and rear suspension components (struts, control arms, bushings), power steering system, wheel alignment specifications.
Electrical System:
Battery, charging system, starter, lighting, fuses and relays, wiring diagrams for various circuits, instrument cluster, power windows, mirrors.
Body And Chassis:
Body panels, doors, hood, trunk, bumpers, interior trim, chassis diagnostics, structural components, welding procedures (where applicable).
Climate Control:
HVAC system, A/C compressor, refrigerant handling, blower motor, climate control module.
Airbags:
Airbag system diagnosis, component replacement, SRS module.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt replacement.
Troubleshooting:
Diagnostic flowcharts, common problems and their solutions, symptom-based troubleshooting for engine, electrical, and mechanical systems.
Repair:
Detailed step-by-step repair procedures for virtually all components and systems of the E46 M3.
Disassembly And Assembly:
Comprehensive instructions for removing and reinstalling all major and minor components.
Adjustments:
Various adjustments including throttle body synchronization, idle speed, clutch adjustment (if applicable), suspension alignment.
Depth:
Comprehensive, covering from basic maintenance to in-depth engine overhaul and diagnostics. Includes special tool references and usage.
Readability:
High-resolution PDF, zoomable for detailed viewing of diagrams and text.
Printability:
Fully printable, allowing users to print specific sections or the entire manual.
Digital Format:
Instant Download PDF
Digital File Characteristics:
Digital file, no physical paper or binding involved.
Engine Type:
Naturally Aspirated Inline-6 (S54B32)
Displacement:
3.2 Liters (3246 cc)
Horsepower:
333 hp @ 7900 rpm
Torque:
262 lb-ft (355 Nm) @ 4900 rpm
Injection Type:
Sequential Multi-Point Fuel Injection (S<bos>54 uses individual throttle bodies)
Valvetrain:
Dual Overhead Camshafts (DOHC), 4 valves per cylinder, VANOS (Variable Valve Timing) on intake and exhaust cams.
Head Unit Options:
BMW Business CD, BMW Professional CD RDS, optional navigation systems.
Parking Sensors:
Optional Park Distance Control (PDC) sensors.
Audio Input:
CD Player, optional cassette player, potentially aux input via adapter (depending on head unit).
Oil Change Interval:
Recommended every 7,500 to 10,000 miles or annually, depending on driving conditions. Refer to manual for specific CBS (Condition Based Service) intervals.
Engine Oil:
SAE 10W-60 (BMW High Performance Synthetic) - BMW Part # 07510009446
Coolant:
BMW Blue Antifreeze/Coolant (G48 ethylene glycol based) - BMW Part # 82149406205 (concentrate)
Brake Fluid:
DOT 4 (BMW recommends Brake Fluid PENTOSIN SUPER DOT 4) - BMW Part # 81229407171
Transmission Fluid Manual:
SAE 75W-90 Synthetic Gear Oil (e.g., Castrol SAF-XJ or equivalent)
Differential Fluid:
SAE 75W-140 Synthetic Gear Oil (BMW recommends SAF-XJ or equivalent)
Rod Bearings:
A well-documented concern with the S54 engine, requiring proactive inspection and potential replacement of rod bearings due to wear.
Throttle Actuators:
Failure of the individual throttle body actuators can lead to rough idling, poor throttle response, or the engine entering limp mode.
Subframe Mounts:
Cracking or fatigue of the rear subframe mounting points is a common issue on E46 chassis, especially under hard driving.
General Advice:
Strict adherence to the service schedule and using high-quality fluids and parts are critical for longevity.
Bmw M Division:
Built by BMW M GmbH, focusing on motorsport-derived performance and handling.
E46 Generation:
The M3 variant of the E46 platform, an evolution from the E36 M3, featuring a more powerful engine and chassis enhancements.
Production Years:
2000-2006 (Global), 2001-2006 (North America).
