🏷️ Basic Information

Make:

BMW

Model:

M3

Generation Code:

E46

Model Year:

2006

👋 Introduction

Market Position:

The 2006 BMW M3 (E46) represents the pinnacle of the E46 generation, a high-performance variant meticulously engineered for track-day capability and spirited driving, positioned as a premium sports coupe/convertible.

Competitive Analysis:

Competed against other high-performance coupes of its era such as the Porsche 911 (996/997 generation), Mercedes-Benz C55 AMG, Audi RS4 (B6 generation), and the Chevrolet Corvette (C5/C6 generation).

Key Features:

Naturally aspirated S54 engine with individual throttle bodies, M-tuned suspension and chassis, limited-slip differential, optional SMG automated manual transmission, distinctive M aerodynamic enhancements, high-revving engine character.

Driving Dynamics:

Renowned for its sharp steering, balanced chassis, and the characteristic scream of its high-revving S54 engine, offering an unparalleled driving experience that defined a generation of performance cars.

📋 Manual Details

Systems Covered:

Engine, Drivetrain, Suspension, Brakes, Steering, Electrical System, Bodywork, HVAC, Interior Trim, Diagnostic Procedures, Routine Maintenance, Component Overhaul

Page Count:

Extensive (estimated 1000+ pages for comprehensive coverage, exact count varies by specific edition/publisher, but this is a full dealership-level manual)

Manual Type:

Service and Repair Manual (Dealership Technical Manual Equivalent)

Source:

Exact same manual used by technicians at dealerships.

Language:

English

Format:

Digital (likely PDF, possibly searchable text) or Printed Bound Book

📖 Manual Coverage

Engine:

S54B32 (3.2L Naturally Aspirated Inline-6), including VANOS, cooling system, lubrication, fuel injection, ignition, exhaust

Drivetrain:

SMG (Sequential Manual Gearbox), Manual Transmission, Clutch, Differential, Driveshafts, Axles

Suspension:

Front struts, rear multi-link suspension, control arms, bushings, anti-roll bars, M-specific tuning

Brakes:

Front and rear disc brakes, ABS, DSC (Dynamic Stability Control), brake fluid specifications

Steering:

Hydraulic power steering system, steering column, tie rods

Electrical System:

Battery, charging system, starter, lighting, fuses, relays, body control module (BCM), DME (Digital Motor Electronics), wiring diagrams

Bodywork:

Body panels, doors, hood, trunk, chassis structural components, corrosion protection

HVAC:

Air conditioning, heating, ventilation, climate control unit

Interior:

Seats, dashboard, door panels, trim components, airbags

Maintenance:

Oil changes, filter replacements, spark plug replacement, fluid flushes (coolant, brake, transmission, differential), belt inspection/replacement, air filter replacement, cabin filter replacement

Troubleshooting:

Diagnostic trouble codes (DTCs), common fault identification, electrical system diagnostics, engine performance issues, drivability problems

Repair:

Engine component removal/installation (e.g., cylinder head, pistons, crankshaft), transmission overhaul, clutch replacement, brake caliper rebuild, suspension component replacement, electrical component repair/replacement

Diagnostics:

Detailed troubleshooting trees for common drivability, electrical, and mechanical faults. Interpretation of diagnostic trouble codes (DTCs) related to DME, EGS (SMG control unit), ABS/DSC modules.

Body And Trim:

Exterior panel removal/installation, interior trim disassembly/reassembly, convertible top mechanisms (if applicable), headlight/taillight replacement, bumper removal/installation.

Technical Depth:

Comprehensive: Covers basic maintenance to full engine and transmission rebuilds, including detailed troubleshooting guides, torque specifications, diagnostic flowcharts, and wiring diagrams. Equivalent to OEM workshop manuals used by certified technicians.

Torque Specifications:

Includes precise torque specifications for all critical fasteners, essential for proper engine, chassis, and component assembly.

Wiring Diagrams:

Extensive wiring diagrams for all electrical systems, including engine management, body electronics, lighting, and comfort systems, crucial for electrical diagnostics and repair.

📊 Manual Specifications

File Format:

Typically PDF, with searchable text and bookmark functionality for easy navigation. High-resolution images and diagrams.

Print Quality:

N/A (if digital). If printed, expect professional printing with clear text and diagrams.

Binding Type:

N/A (if digital). If printed, typically a durable comb binding or perfect binding suitable for workshop use.

Paper Type:

N/A (if digital). If printed, usually on thick, durable paper to withstand shop environment.

Completeness:

Complete vehicle coverage for the 2006 BMW M3 E46. Explicitly states 'COVERS ALL MODELS & ALL REPAIRS A-Z' and 'THIS IS NOT GENERIC REPAIR INFORMATION! IT IS VEHICLE SPECIFIC.'

⚙️ Engine Specifications

Engine Code:

S54B32

Engine Type:

Inline 6-Cylinder, Naturally Aspirated

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 @ 4900 rpm

Redline:

8000 rpm

Fuel Injection:

Sequential Multi-Point Fuel Injection (SFI) with individual throttle bodies

Fuel Type:

Premium Unleaded Gasoline (91 Octane or higher recommended)

🔧 Transmission

Transmission Type:

6-Speed Manual Transmission

Transmission Type:

6-Speed SMG (Sequential Manual Gearbox) Automated Manual Transmission

Limited Slip Differential:

Standard M Variable Lock Differential (0-100% lock-up)

📐 Dimensions

Coupe Length:

177.7 inches (4514 mm)

Coupe Width:

70.1 inches (1780 mm)

Coupe Height:

53.7 inches (1365 mm)

Coupe Wheelbase:

107.5 inches (2730 mm)

Convertible Length:

177.7 inches (4514 mm)

Convertible Width:

70.1 inches (1780 mm)

Convertible Height:

54.7 inches (1390 mm)

Convertible Wheelbase:

107.5 inches (2730 mm)

Curb Weight Coupe:

Approx. 3,505 lbs (1590 kg)

Curb Weight Convertible:

Approx. 3,795 lbs (1721 kg)

Wheel Bolt Pattern:

5x120 mm

Wheel Size Standard:

18 x 8.0 inches (front), 18 x 9.0 inches (rear)

Tire Size Standard:

225/40ZR-18 (front), 255/35ZR-18 (rear)

🛡️ Safety Features

NHTSA Front Impact:

4 Stars (Driver), 4 Stars (Passenger)

IIHS Front Offset:

Good

Traction Control:

DSC (Dynamic Stability Control) with MDM (M Dynamic Mode)

ABS:

Standard Anti-lock Braking System

Brake Assist:

Standard

Airbags:

Front airbags, front side-impact airbags

Rollover Protection:

Pop-up roll bars for convertible model

💡 Technology Features

Infotainment System:

BMW Professional Radio or optional Navigation system (CCC - Car Communication Computer). Features include CD player, possibly MP3 playback, and available satellite radio preparation.

Driver Assistance:

DSC (Dynamic Stability Control) with MDM (M Dynamic Mode), ABS, optional Park Distance Control (PDC).

Connectivity:

Optional Bluetooth integration for hands-free calling, potentially integrated phone cradle. Limited by 2006 standards.

Xenon Headlights:

Standard Bi-Xenon Adaptive Headlights

🔧 Maintenance

Oil Change Interval:

Variable Service Interval Indicator (VSI) typically indicates ~15,000 miles or 12 months, depending on driving conditions. Consult manual for exact recommendations.

Coolant Flush Interval:

Every 2 years or 30,000 miles (BMW Blue Coolant)

Brake Fluid Flush Interval:

Every 2 years or 24,000 miles

Spark Plug Replacement:

Around 60,000 miles (NGK BKR6EQUP or equivalent)

Engine Oil Type:

BMW Longlife-01 (LL-01) Approved Synthetic Oil, typically 5W-30 or 10W-60 (for track use/hard driving, consult manual for specific grade recommendations).

Engine Oil Capacity:

Approx. 6.9 US quarts (6.5 Liters) with filter change

Coolant Type:

BMW Blue Antifreeze/Coolant (G48) or equivalent, mixed 50/50 with distilled water

Brake Fluid Type:

DOT 4 High Performance (BMW DOT 4 HP recommended)

Transmission Fluid Manual:

BMW MTF LT-2 (Manual Transmission Fluid) or equivalent API GL-4 SAE 75W-90

Transmission Fluid Smg:

BMW DTF-1 (Dual Clutch Transmission Fluid) or compatible fluid; specific to SMG system

Differential Fluid Type:

BMW Hypoid Gear Oil G2 (SAF-XJ) or equivalent API GL-5 SAE 75W-140

Known Issues:

Rod bearing wear (especially on early models/hard-driven cars), VANOS (Variable Valve Timing) system issues, subframe cracking (rear), cooling system components (water pump, thermostat, hoses), exhaust manifold cracking, DSC/ABS sensor failures, clutch wear (SMG and manual).

📚 Vehicle History

Brand Heritage:

BMW's M division has a storied history of creating high-performance, driver-focused versions of their standard road cars, building on a legacy of motorsport success and engineering excellence.

Model Evolution:

The E46 M3 succeeded the E36 M3 and was the fourth generation of the M3. It marked a significant step forward in performance and technology, retaining the beloved inline-six formula but with a more powerful and rev-happy engine.

Production Years:

2001-2006

Production Location:

Regensburg, Germany

🏆 Awards & Recognition

Recognitions:

The E46 M3 was widely praised by automotive journalists for its performance, handling, and driver engagement. Frequently featured on 'best of' lists for sports cars and performance sedans/coupes of its era. Often cited as one of the greatest M cars ever produced.