Market Position:
The 2002 BMW M3 (E46) represents the pinnacle of naturally aspirated inline-six performance in its era, a highly sought-after modern classic in the enthusiast market. This manual is essential for owners and independent specialists looking to maintain and repair this high-performance vehicle.
Competitive Analysis:
Competed against performance coupes like the Porsche 911 (996 generation), Mercedes-Benz C32 AMG, and Audi RS4. The E46 M3 stood out for its exceptional handling, a high-revving naturally aspirated engine, and a more analogue driving experience compared to some rivals.
Key Features:
Iconic S54 naturally aspirated engine, distinctive M styling, advanced chassis tuning, availability of SMG II sequential manual gearbox, and robust build quality characteristic of BMW M cars.
Coverage Areas:
All service and repair procedures for the 2002 BMW M3 (E46) model.
Page Count:
Estimated 2000+ pages (typical for comprehensive BMW M service manuals).
Manual Type:
Comprehensive Service and Repair Manual
Format:
Downloadable Digital Format (likely PDF)
Systems Covered:
Engine (S54B32), Driveline (SMG/Manual Transmission), Suspension, Steering, Brakes (including DSC/ABS), Fuel System, Cooling System, Exhaust System, Electrical System (ECU, wiring diagrams), HVAC, Bodywork, Interior Trim, Diagnostic Procedures, Torque Specifications, Tightening Sequences.
Procedures Included:
Routine Maintenance, Scheduled Servicing, Component Diagnosis, Troubleshooting Guides, Step-by-step Repair Instructions, Overhaul Procedures, Component Replacement, Electrical System Diagnostics, HVAC System Repair, Body Panel Alignment, Interior Component Repair, SMG Transmission Service.
Technical Depth:
Expert/Professional Level: Covers everything from basic fluid changes and filter replacements to complete engine rebuilds, transmission overhauls, complex electrical diagnostics, and advanced chassis system repairs. Includes detailed torque values, special tool requirements, and diagnostic trouble codes (DTCs).
Primary Engine:
S54B32 3.2L Inline-6 (Naturally Aspirated)
Horsepower:
333 hp @ 7900 rpm
Torque:
262 lb-ft @ 4900 rpm
Fuel System:
Electronic Fuel Injection (EFI) with individual throttle bodies.
Engine Management System:
Bosch Motronic MSS54HP
Compression Ratio:
11.5:1
Redline:
8000 rpm (with a 7900 rpm power peak)
Valvetrain:
Double VANOS (variable camshaft timing) and Double M(otronic) VVT (variable valve timing) or similar terminology depending on source, but VANOS is the primary feature.
Standard Transmission:
6-speed Manual Transmission (Getrag Type D)
Optional Transmission:
SMG II (Sequential Manual Gearbox)
Smg Ii Features:
Driver-selectable shift modes (Sport, Normal), paddle shifters, M Track mode, launch control.
Clutch Type:
Hydraulically actuated single-plate dry clutch.
Differential Type:
Limited-Slip Differential (M Variable)
Length:
4488 mm (176.7 in)
Height:
1372 mm (54.0 in)
Wheelbase:
2760 mm (108.7 in)
Curb Weight Manual:
Approximately 1570 kg (3461 lbs)
Curb Weight Smg:
Approximately 1580 kg (3483 lbs)
Trunk Capacity:
410 liters (14.5 cu ft)
Wheel Size:
18x8.0 front, 18x9.0 rear (standard); 19-inch optional.
Tire Size:
225/40R18 front, 255/35R18 rear (standard).
NHTSA Front Impact:
Not explicitly rated, but BMW typically designed for high safety standards.
IIHS Side Impact:
Not explicitly rated.
Active Safety Features:
Dynamic Stability Control (DSC), Anti-lock Braking System (ABS), Electronic Brake Force Distribution (EBD), M Variable Differential Lock, Traction Control.
Passive Safety Features:
Front airbags, front side-impact airbags, front and rear head protection system (HPS) airbags, reinforced chassis structure, collapsible steering column.
Infotainment System:
BMW Professional Radio/Cassette or CD Player, optional Navigation system (Mk IV unit), Harman Kardon audio system.
Driver Assistance Features:
Park Distance Control (PDC), Cruise Control.
Connectivity Features:
Optional Bluetooth phone preparation (integration varies).
Lighting Features:
Xenon headlights with auto-leveling, Angel Eyes (Daytime Running Lights).
Oil Change Interval:
BMW Condition Based Service (CBS) system; typically around 10,000-15,000 miles or annually, depending on driving conditions.
Spark Plug Replacement:
Approximately 60,000 miles.
Coolant Flush:
Recommended every 2-3 years or 30,000-50,000 miles.
Engine Oil Spec:
BMW Longlife-01 (LL-01) approved synthetic oil, e.g., 5W-30 or 10W-60 (for hard driving).
Engine Oil Capacity:
6.5 liters (6.9 US quarts)
Coolant Type:
BMW Blue Antifreeze/Coolant
Brake Fluid Spec:
DOT 4 High Performance
Transmission Fluid Manual:
MTF LT-2 (or equivalent high-quality synthetic manual transmission fluid)
Transmission Fluid Smg:
Pentosin CHF 11S (for hydraulic system), Dexron III or similar for gearbox.
Differential Fluid Spec:
SAF-XJ or SAF-XO (BMW recommended rear axle fluid)
Common Issues S54:
Rod bearing wear (especially in earlier models or with improper maintenance), VANOS solenoid issues, carbon buildup on pistons, valve seal wear, oil consumption, potential for cracking engine mounts.
Common Issues Smg:
SMG pump failure, clutch actuator issues, hydraulic fluid leaks, software glitches.
Common Issues Chassis:
Subframe mounting points cracking (especially rear subframe), worn bushings (control arms, sway bars), strut mount failure.
Preventative Maintenance Recommendations:
Regular rod bearing inspection/replacement, VANOS system servicing, attention to cooling system health, checking subframe mounting points.
Brand Heritage:
BMW, Bayerische Motoren Werke AG, has a long history of building performance-oriented automobiles, particularly known for its 'Ultimate Driving Machine' ethos and the development of its M (Motorsport) division.
Model Evolution:
The E46 M3, launched in 2000 for the 2001 model year, succeeded the E36 M3. It represented a significant technological advancement, most notably with the introduction of the S54 engine and the optional SMG II transmission, and is considered by many to be one of the finest driver's cars of its generation.
Production Period:
2000-2006 (for E46 M3 generation)
Manufacturing Locations:
Regensburg, Germany
Recognitions:
Consistently praised by automotive journalists for its driving dynamics, engine performance, and handling. Featured in numerous 'best of' lists for performance cars of the early 2000s.
Car And Driver Performance:
Often tested and reviewed by publications like Car and Driver, MotorTrend, etc., frequently scoring highly in comparison tests.
Certifications:
N/A (Manufacturer specific design and engineering)
