Segment:
High-performance compact executive car
Usp:
Track-bred performance, legendary inline-six engine, driver-focused chassis
Competitors:
Porsche 911 Carrera, Mercedes-Benz C32 AMG (later models), Audi RS4 (later models), Chevrolet Corvette
Engine Highlight:
S54B32 naturally aspirated inline-six, 3.2L, 333 hp, individual throttle bodies
Transmission Highlight:
Optional SMG II automated manual transmission offering lightning-fast shifts
Chassis Features:
Stiff chassis, advanced multi-link suspension, M-tuned steering, limited-slip differential
Design Elements:
Aggressive M-specific body kit, wider fenders, quad exhaust tips
Engine Mechanical:
Complete overhaul, diagnosis, repair of S54B32 engine (incl. VANOS, lubrication, cooling)
Engine Management:
DME, ignition system, fuel injection, emissions control, diagnostics
Transmission:
SMG (Sequential Manual Gearbox) and 6-speed manual transmission repair, hydraulics, clutch
Drivetrain:
Differential, driveshafts, axles, wheel bearings
Suspension:
Front and rear suspension systems, struts, springs, bushings, alignment specifications
Brakes:
Front and rear brake systems, ABS, DSC, rotor/pad replacement, bleeding procedures
Steering:
Power steering system, steering rack, tie rods, steering angle sensor
Electrical System:
Battery, charging system, starter, lighting, power windows, mirrors, central locking
Body And Chassis:
Body panel repair, corrosion protection, interior trim, glass replacement
HVAC:
Climate control system, refrigerant, compressor, evaporator, heater core
Safety Systems:
Airbags, seatbelts, SRS module
Routine Maintenance:
Oil changes, filter replacements, spark plug service, fluid checks
Diagnostic Procedures:
Troubleshooting guides, fault code interpretation, wiring diagrams for diagnosis
Repair Procedures:
Step-by-step instructions for component replacement and repair
Overhaul Procedures:
Detailed instructions for complete engine and transmission rebuilds
Installation Procedures:
Installation guides for major components and accessories
Calibration Procedures:
Calibration for sensors and control modules (e.g., throttle body, steering angle sensor)
Technical Bulletins:
Inclusion of relevant Technical Service Bulletins (TSBs)
Depth:
Comprehensive (from basic maintenance to complete engine rebuilds and advanced diagnostics)
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
Valve Train:
DOHC, 4 valves per cylinder, Double VANOS
Horsepower:
333 PS (329 hp) @ 7900 rpm
Torque:
350 Nm (258 lb-ft) @ 4900 rpm
Fuel Delivery:
Sequential Multi-Point Fuel Injection (SFI)
Fuel Type:
Premium Unleaded Gasoline (91+ Octane)
Throttle System:
Electronic throttle control with individual throttle bodies
NHTSA Front Impact:
4-star (driver), 4-star (passenger)
IIHS Side Impact:
Acceptable
Traction Control:
Dynamic Stability Control (DSC)
Braking System:
Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD)
Airbags:
Frontal airbags, front side-impact airbags
Seat Belts:
3-point inertia-reel seat belts with pre-tensioners
Oil Change Interval:
Every 15,000 miles or 12 months (whichever comes first), or as indicated by the Condition Based Service (CBS) system
Air Filter Replacement:
Every 30,000 miles or 24 months
Spark Plug Replacement:
Every 60,000 miles
Coolant Flush:
Every 30,000 miles or 24 months
Engine Oil:
SAE 10W-60 (BMW M TwinPower Turbo Engine Oil - Synthetic)
Engine Oil Capacity:
6.5 Liters (6.9 US Quarts)
Coolant:
BMW Blue Antifreeze/Coolant (Ethylene Glycol based, 50/50 mix with distilled water)
Transmission Fluid Manual:
BMW MTF-LT-2 (or equivalent, e.g., Red Line MTL 75W-80 GL-4)
Transmission Fluid Smg:
Pentosin CHF 11S (Hydraulic Fluid for SMG System)
Differential Fluid:
BMW Hypoid Gear Oil G1 (SAE 75W-140)
Brake Fluid:
DOT 4 (BMW High Performance Brake Fluid)
S54 Rod Bearings:
Premature wear of connecting rod bearings is a known potential issue, often due to oil starvation or extended oil change intervals. The manual details inspection and replacement procedures.
Vanos System:
VANOS (Variable Valve Timing) solenoids and seals can fail, leading to rough idle and performance issues. The manual covers diagnosis and repair.
Subframe Mounts:
Cracking or separation of rear subframe mounting points is a potential structural issue. The manual provides guidance on inspection.
Smg Pump:
SMG hydraulic pump can fail over time, affecting gear shifting. The manual details its service.
Brand Focus:
BMW AG known for premium automobiles, performance, and driving dynamics ('The Ultimate Driving Machine')
E46 Generation:
The E46 generation (1998-2006) succeeded the E36. The M3 variant was introduced in 2000.
E46 M3 Introduction:
The E46 M3 marked a significant evolution with the introduction of the S54 engine, a high-revving masterpiece.
E46 M3 Performance Focus:
This M3 generation was praised for its superb handling and track capability, a true successor to its motorsport lineage.
Production Years:
2000-2006
Manufacturing Location:
Regensburg, Germany