Segment:
High-Performance Compact Executive Coupe/Convertible
Target Audience:
Enthusiasts, Professional Mechanics, BMW Owners
Key Rivals:
Mercedes-Benz C-Class AMG (C32/C55), Audi RS4 (B5/B6), Porsche 911 (996)
Performance Focus:
Naturally Aspirated High-Revving Inline-Six Engine, Legendary Handling Dynamics
Manual Purpose:
Comprehensive guide for maintaining, diagnosing, and repairing the E46 M3
Years Covered:
1999, 2000, 2001, 2002, 2003, 2004, 2005
Type:
Repair and Service Manual
Powertrain:
Engine (S54), Transmission (SMG, Manual), Differential, Driveline
Chassis:
Suspension (Front, Rear), Steering, Brakes (ABS, DSC), Wheels, Tires
Electrical:
Body Control Module (BCM), Engine Control Unit (ECU), DME, Infotainment, Lighting, Power Accessories, Wiring Diagrams
Body And Interior:
Body Panels, Doors, Windows, Seats, HVAC, Airbags, Trim
Maintenance:
Oil Changes, Filter Replacements, Spark Plug Service, Coolant Flushes, Brake Fluid Service
Repair:
Engine Rebuilds, Transmission Overhauls, Suspension Component Replacement, Brake System Repairs, Electrical Diagnosis and Repair
Troubleshooting:
Diagnostic Trouble Codes (DTCs), Symptom-based Diagnostics, Fault Finding Procedures
Diagnostic Capability:
Advanced diagnostics with specific test procedures and specifications
Rebuild Procedures:
Complete engine and transmission rebuild instructions with torque specifications and clearances
Wiring Information:
Detailed electrical schematics and wiring diagrams for all systems
Transmission Type:
6-speed Manual (Getrag 420G)
Transmission Type:
6-speed Sequential Manual Gearbox (SMG II)
Clutch:
Hydraulic, Self-Adjusting
Differential:
Limited Slip Differential (LSD), 25% Lock
NHTSA Front Impact:
4-star
IIHS Side Impact:
Acceptable
Traction Control:
Dynamic Stability Control (DSC)
Braking System:
Anti-lock Braking System (ABS), Electronic Brake Force Distribution (EBD), M-tuned Brake System
Airbags:
Frontal Airbags, Side-Impact Airbags (optional on some models)
Structure:
Reinforced chassis, Crumple Zones
System:
BMW Professional Radio with CD Player, Optional Navigation System (MKIV), Optional Harman Kardon Audio System
Cruise Control:
Standard cruise control
Parking Assist:
Optional rear parking sensors (Park Distance Control - PDC)
Bluetooth:
Optional Bluetooth preparation ( Hands-Free Facility)
Oil Change Interval:
15,000 miles or 12 months (variable service interval system - CBS)
Spark Plug Replacement:
Every 60,000 miles
Brake Fluid Flush:
Every 2 years
Engine Oil:
BMW Longlife-01 (LL-01) SAE 0W-40 or 5W-40 Synthetic
Coolant:
BMW Blue Antifreeze/Coolant (G48 or equivalent)
Transmission Fluid Manual:
BMW MTF-LT-2 / Genuine BMW Synchromesh Transmission Fluid
Differential Fluid:
BMW Hypoid Gear Oil G2 (SAF-XJ or equivalent)
Rod Bearings:
Potential wear on connecting rod bearings (especially early models with specific production dates), requires inspection and potential replacement.
Subframe Mounts:
Cracking or separation of rear subframe mounting points, requires reinforcement or replacement.
Vanos System:
Solenoid wear or failure, leading to rough idle, loss of power, or increased fuel consumption.
Oil Filter Housing Gasket:
Leaking oil from the oil filter housing gasket, a common maintenance item.
Car And Driver Best List:
Car and Driver's 10Best Cars (2001, 2002, 2003)
Motortrend Performance Vehicle:
MotorTrend Performance Vehicle of the Year (2001)
Road And Track Editors Choice:
Road & Track's Editors' Choice Award
