Positioning:
The 2000 BMW M3 (E46) represented a significant evolution in BMW's performance sedan lineage, offering a potent blend of track-bred performance and daily usability.
Competitors:
Competed against performance benchmarks like the Mercedes-Benz C43 AMG and Audi S4 of the era, often praised for its sharper handling and naturally aspirated engine character.
Performance Highlights:
High-revving S54 engine, advanced chassis dynamics, precise steering, powerful braking system, driver-focused interior.
Manual Utility:
This manual is essential for owners and technicians aiming to maintain and repair the E46 M3 to factory specifications, ensuring optimal performance and longevity.
Engine:
S54 3.2L Inline-6, VANOS system, fuel injection, ignition, cooling, lubrication, exhaust.
Transmission:
Getrag 420G 6-speed manual transmission, clutch system, driveshaft, differential.
Brakes:
Front and rear disc brakes, ABS, DSC (Dynamic Stability Control), brake fluid service.
Suspension:
Front McPherson strut, rear multi-link suspension, springs, dampers, bushings, sway bars.
Steering:
Hydraulic power steering system, steering rack, tie rods.
Electrical:
12V battery system, alternator, starter, lighting, fuses, relays, EWS immobilizer.
Bodywork:
Body panels, doors, hood, trunk, interior trim, exterior trim, corrosion protection.
HVAC:
Heating, ventilation, and air conditioning systems, refrigerant, climate control.
Diagnostics:
OBD-II diagnostics, fault code interpretation, component testing.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, spark plug service, brake fluid flush, coolant flush.
Repair:
Engine overhaul, transmission rebuild, suspension component replacement, brake caliper service, electrical component diagnosis and replacement.
Troubleshooting:
Step-by-step diagnostic procedures for common and uncommon issues.
Specifications:
Detailed torque specifications, clearances, fluid capacities, and electrical resistance values.
Wiring Diagrams:
Comprehensive electrical schematics for all vehicle systems.
Depth:
Advanced diagnostic procedures, complete engine and transmission rebuilds, electronic system troubleshooting.
Engine Type:
Naturally Aspirated Inline-6
Displacement:
3246 cc (3.2 Liters)
Bore X Stroke:
87.0 mm x 91.0 mm
Compression Ratio:
11.5:1
Horsepower:
333 bhp @ 7900 RPM
Torque:
320 Nm (236 lb-ft) @ 4900 RPM
Fuel Delivery:
Electronic Fuel Injection (EFI) with individual throttle bodies
Fuel Type:
Premium Unleaded Gasoline (91+ Octane)
Engine Management:
MS43 DME (Digital Motor Electronics)
Type:
Getrag 420G 6-Speed Manual
Gear Ratios:
1st: 4.23, 2nd: 2.51, 3rd: 1.67, 4th: 1.23, 5th: 1.00, 6th: 0.83
Final Drive Ratio:
3.62:1 (Standard)
Type:
SMG II (Sequential Manual Gearbox) - Available as an option in some markets.
Clutch:
Hydraulic single-plate dry clutch
NHTSA Frontal Impact:
Likely 4/5 Stars (typical for the era, but specific E46 M3 ratings can vary by year/region).
Stability Control:
DSC (Dynamic Stability Control) with M Dynamic Mode (MDM)
Traction Control:
ASC+T (Automatic Stability Control and Traction)
ABS:
Anti-lock Braking System (ABS)
Airbags:
Driver and front passenger airbags, optional side airbags.
Seatbelts:
Three-point inertia-reel seatbelts with pre-tensioners.
Chassis Design:
Reinforced safety cell, crumple zones.
Audio System:
BMW Professional RDS radio with CD player, optional Harman Kardon sound system.
Navigation:
Optional MK III or MK IV navigation system.
Parking Assistance:
Optional rear park distance control (PDC).
Cruise Control:
Standard cruise control.
Phone Integration:
Optional Bluetooth phone preparation with cradle.
Oil Change Interval:
BMW Condition Based Service (CBS) system, typically around 10,000-15,000 miles or annually.
Spark Plug Replacement:
Around 60,000 miles (e.g., NGK BKR6EQUP).
Brake Fluid Flush:
Every 2 years (DOT 4 LV recommended).
Coolant Flush:
Initial fill is long-life, subsequent changes typically every 4 years or 100,000 miles. BMW Blue Antifreeze/Coolant.
Engine Oil:
SAE 0W-40 or 5W-30 Synthetic (BMW Longlife-01 approved).
Engine Oil Capacity:
6.5 liters (6.9 US quarts)
Transmission Fluid:
BMW MTF-LT-1 or MTF-LT-2 (or equivalent aftermarket fluid like Pentosin MTF 2).
Differential Fluid:
SAE 75W-90 Synthetic Gear Oil (BMW Hypoid Gear Oil G1).
Power Steering Fluid:
Pentosin CHF 11S or equivalent hydraulic fluid.
Rod Bearings:
The S54 engine is known for potential rod bearing wear. Regular oil changes with quality synthetic oil and avoiding excessive high-RPM operation from cold can mitigate risk.
Crankshaft Hub:
The crankshaft hub can loosen, leading to timing issues. A common preventative upgrade is a solid crank hub.
Vanos:
The VANOS (Variable Valve Timing) system can develop leaks or solenoid issues, affecting performance and idle quality. Rebuild kits are available.
Subframe Mounts:
The rear subframe mounting points can crack due to the stresses of performance driving. Reinforcement kits are a common modification.
Oil Sludge:
Incorrect oil or extended drain intervals can lead to oil sludge, particularly in the oil pump pickup screen, causing oil starvation.
Bmw M Division:
BMW M GmbH, the performance division of BMW, has a rich history dating back to the 1970s, renowned for creating motorsport-inspired vehicles.
E46 M3 Introduction:
The E46 M3 was introduced in 2000, succeeding the highly acclaimed E36 M3. It marked a significant leap in engine technology and chassis refinement.
Production Years:
2000-2006
Manufacturing Location:
Regensburg, Germany
Production Volume:
Approximately 80,000 units produced globally, including Coupe and Convertible variants.