Segment:
High-performance compact executive car / Sports sedan
Performance Focus:
Track-day capability, enhanced driving dynamics, potent engine performance
Primary Competitors:
Mercedes-Benz C-Class AMG (e.g., C43, C55), Audi S4, Porsche 911 (in spirit), Lexus IS-F (later models)
Engine Highlight:
High-revving, naturally aspirated inline-six S54 engine
Chassis Engineering:
Enhanced M-specific suspension, chassis bracing, and steering
Performance Aesthetics:
Unique M aerodynamic body kit, wheels, and interior accents
Applicable Years:
1999, 2000, 2001, 2002, 2003, 2004, 2005
Estimated Pages:
Thousands (typical for full service manual)
Type:
Full Service Repair Manual
Format:
Digital (likely PDF, printable)
Engine:
Complete overhaul, tuning, diagnostics, fuel injection, ignition, cooling, lubrication, emissions control
Transmission:
SMG (Sequential Manual Gearbox) and Manual transmission: removal, installation, overhaul, fluid changes, clutch
Drivetrain:
Differential, driveshafts, wheel bearings, axle shafts
Suspension:
Front and rear suspension components, struts, shocks, control arms, bushings, wheel alignment procedures
Brakes:
Brake system components, hydraulic lines, ABS, DSC, brake pad/rotor replacement, caliper overhaul
Steering:
Power steering system, steering rack, tie rods, steering column
Electrical:
Wiring diagrams, starter, alternator, battery, fuses, relays, lighting, instrument cluster, comfort electronics
Body:
Body panels, doors, hood, trunk, bumpers, interior trim, convertible top mechanisms (if applicable)
HVAC:
Heating, ventilation, and air conditioning system service and repair
Diagnostics:
OBD-II diagnostics, error code interpretation, troubleshooting guides
Maintenance:
Scheduled maintenance, oil changes, filter replacements, fluid checks, spark plug replacement
Repair:
Component replacement, assembly/disassembly, system repairs, body repair procedures
Troubleshooting:
Step-by-step diagnostic procedures for common and uncommon issues
Specifications:
Torque specifications, clearances, fluid capacities, electrical component values
Technical Tips:
Expert advice and best practices for M3 maintenance and repair
Depth:
Comprehensive, from basic maintenance to full engine and transmission rebuilds
Engine Type:
Naturally Aspirated Inline 6-Cylinder
Displacement:
3.2 Liters (3246 cc)
Bore X Stroke:
87.0 mm x 91.0 mm
Compression Ratio:
11.5:1
Horsepower:
333 hp @ 7900 RPM
Torque:
262 lb-ft (355 Nm) @ 4900 RPM
Fuel Delivery:
Electronic Fuel Injection (EFI), individual throttle bodies
Fuel Type:
Premium Unleaded Gasoline (91+ Octane)
Oil Type:
SAE 10W-60 Synthetic (BMW recommends Castrol TWS Motor Oil)
Oil Capacity:
7.5 Liters (7.9 US Quarts)
Spark Plug Type:
NGK BKR6EQUP (or equivalent, check manual for specific part number)
Coolant Type:
BMW Blue Antifreeze/Coolant (G48 ethylene glycol-based)
Type:
6-Speed Manual Transmission (Getrag 420G)
Type:
SMG II (Sequential Manual Gearbox) Automated Manual Transmission
Clutch Type:
Hydraulically actuated single dry plate clutch
Manual Gear Ratios:
Refer to manual for detailed ratios (e.g., 4.23:1 final drive for 6-speed manual)
Manual Transmission Fluid:
MTF-LT-2 (BMW recommendation, or equivalent GL-4/GL-5 SAE 75W-90)
Smg Transmission Fluid:
Pentosin CHF 11S (Hydraulic Fluid)
Length:
Approx. 4488 mm (176.7 in)
Width:
Approx. 1780 mm (70.1 in)
Height:
Approx. 1371 mm (54.0 in)
Wheelbase:
Approx. 2760 mm (108.7 in)
Curb Weight:
Approx. 1570 kg (3461 lbs) for manual transmission
Gross Weight Rating:
Refer to vehicle documentation
Towing Capacity:
Not applicable for M models
Wheel Bolt Pattern:
5x120 mm
Wheel Size Standard:
18x7.5 front, 18x8.5 rear
Tire Size Standard:
225/40R18 front, 255/35R18 rear (typical)
NHTSA Rating:
Not specifically rated for M3 E46 by NHTSA in its current form, but based on standard E46 chassis with M-specific enhancements.
Traction Control:
ASC+T (Automatic Stability Control and Traction)
Stability Control:
DSC (Dynamic Stability Control) with MDM (M Dynamic Mode) on later models
Braking System:
ABS (Anti-lock Braking System), larger M-specific ventilated front and rear discs
Airbags:
Front airbags for driver and passenger, optional side airbags
Body Structure:
Reinforced chassis, crumple zones
Seatbelts:
Three-point inertia-reel seatbelts with pretensioners
Head Unit:
BMW Business CD or Professional RDS CD player with optional navigation system (MkIII/MkIV).
Speakers:
Typically 10-speaker Hi-Fi system or optional Harman Kardon surround sound.
Auxiliary Input:
Not standard; often added via aftermarket solutions or specific BMW accessory modules.
Cruise Control:
Standard cruise control.
Parking Sensors:
Optional Park Distance Control (PDC).
Bluetooth:
Optional Bluetooth phone preparation, integrated with the infotainment system.
Telematics:
BMW Assist telematics system available on later models.
Oil Change Interval:
Every 15,000 miles or 12 months, whichever comes first (BMW Condition Based Service - CBS system)
Air Filter Replacement:
Refer to CBS or manual, typically around 30,000 miles
Cabin Filter Replacement:
Refer to CBS or manual, typically annually or every 15,000 miles
Spark Plug Replacement:
Recommended every 60,000 miles
Brake Fluid Change:
Every 2 years (regardless of mileage)
Coolant Flush:
Every 3-5 years or as indicated by CBS
Power Steering Fluid:
Pentosin CHF 11S (Green color, hydraulic fluid)
Brake Fluid:
DOT 4 (or DOT 4 PLUS if specified by BMW)
Differential Fluid:
SAE 75W-140 (hypoid gear oil, synthetic, refer to manual for specific BMW PN)
Rod Bearings:
Potential for wear or failure in the S54 engine's rod bearings due to oiling issues or manufacturing tolerances. Highly recommended to inspect and/or replace with upgraded bearings.
Subframe Mounts:
Cracking or separation of the rear subframe mounting points from the chassis due to stress. Reinforcement kits are available.
Vanos System:
Potential issues with the VANOS (Variable Valve Timing) system, leading to rough idle or loss of power. Often requires rebuild or replacement of seals and solenoids.
Smg Clutch Actuator:
SMG system can experience issues with the hydraulic actuator or pump, affecting gear changes.
Cooling System:
Water pump failure, thermostat issues, and radiator leaks are not uncommon on older vehicles.
Bmw Motorsport:
BMW M GmbH, renowned for developing high-performance versions of BMW production cars.
E46 Generation Debut:
The E46 M3 was introduced in 2000 as a successor to the E36 M3.
Coupe And Convertible:
Available as both a Coupe and a Convertible (Cabriolet).
Facelift Updates:
Facelifted models (typically from 2003 onwards) received minor cosmetic and equipment updates, including revised LED taillights.
Production Period:
2000 - 2006 (model years 2001-2006, with sales starting late 1999/early 2000 in some markets).
Production Location:
Regensburg, Germany (BMW Dingolfing plant for standard E46, but M models often have specialized assembly).
Car And Driver 10Best:
The E46 M3 was a perennial recipient of Car and Driver's '10Best' award during its production run.
Engine Awards:
The S54 engine received multiple 'Ward's 10 Best Engines' awards for its performance and technological innovation.
Performance Reviews:
Consistently praised by automotive journalists for its driving dynamics, handling, and powerful engine, often cited as a benchmark in its class.