Positioning:
Premium compact executive sport sedan, known for driving dynamics, build quality, and technology.
Competitors:
Mercedes-Benz C-Class, Audi A4, Lexus IS, Infiniti G35
Driving Dynamics:
Renowned for its balanced chassis, precise steering, and engaging ride.
Engine Performance:
The M54B30 inline-six engine offered a potent blend of power and refinement.
Build Quality:
Solid construction and high-quality materials were hallmarks of the E46 generation.
Powertrain:
Engine (M54B30), Transmission (manual & automatic), drivetrain components (driveshafts, differential)
Chassis:
Suspension (front & rear), steering, brakes (ABS, DSC), wheel bearings
Electrical And Electronics:
Engine control unit (DME), body control module (BCM), lighting, HVAC controls, audio system, instrument cluster, airbags (SRS), diagnostic connectors (OBD-II)
Body And Interior:
Exterior body panels, doors, windows, mirrors, seats, dashboard, trim, convertible top (if applicable)
Maintenance:
Scheduled maintenance (oil changes, filter replacements, fluid checks), tune-ups, inspections
Repair:
Engine repair and overhaul, transmission repair, brake component replacement, suspension component replacement, electrical component diagnosis and repair
Diagnostics:
Troubleshooting guides, fault code interpretation, diagnostic procedures for specific systems
Technical Data:
Torque specifications, fluid capacities, electrical schematics, component identification
Depth:
Comprehensive (from basic maintenance to complete engine and transmission rebuilds)
File Format:
Digital (likely PDF, allowing for selective printing)
Print Quality:
High-resolution, suitable for clear reproduction of diagrams and text
Binding Type:
N/A (digital product, binding determined by user's printing choice)
Paper Type:
N/A (digital product, paper type determined by user's printing choice)
Engine Type:
Inline 6-cylinder, naturally aspirated
Displacement:
2,979 cc (3.0 Liters)
Bore X Stroke:
84.0 mm x 89.6 mm
Compression Ratio:
10.2:1
Horsepower:
225 hp @ 6,000 rpm
Torque:
214 lb-ft @ 3,500 rpm
Fuel Injection:
Sequential Electronic Fuel Injection (SEFI)
Fuel Type:
Premium Unleaded Gasoline (91 octane or higher recommended)
ECM Type:
DME (Digital Motor Electronics)
Transmission Type:
5-Speed Manual (Getrag GS5-39DZ)
Transmission Type:
5-Speed Automatic (Steptronic)
Clutch Type:
Hydraulically actuated single dry plate clutch
Transmission Fluid:
Refer to manual for specific BMW approved fluids (e.g., ATF Dexron III for automatic)
NHTSA Front Impact:
4/5 Stars (Driver/Passenger)
ABS:
Standard Anti-lock Braking System
Dsc:
Standard Dynamic Stability Control
Traction Control:
Standard Traction Control System (ASC+T)
Airbags:
Front airbags, optional side airbags
Seatbelts:
3-point inertia-reel seatbelts with pretensioners
Infotainment System:
Optional: BMW Professional Radio, CD player, optional navigation system (MKIV).
Audio Features:
Optional Harman Kardon audio system.
Stability Control:
Standard DSC (Dynamic Stability Control).
Parking Sensors:
Optional Park Distance Control (PDC).
Connectivity Features:
Optional Bluetooth preparation for hands-free calling.
Oil Change Interval:
BMW Condition Based Service (CBS) system; typically every 7,500 - 15,000 miles or as indicated by the vehicle's computer.
Coolant Flush Interval:
Every 30,000 - 60,000 miles or as recommended by CBS.
Brake Fluid Flush Interval:
Every 2 years, regardless of mileage.
Spark Plug Replacement:
Around 100,000 miles for iridium spark plugs (check manual for specific type).
Engine Oil Type:
BMW Longlife-01 (LL-01) synthetic oil, typically 0W-30 or 5W-30. Check manual for exact viscosity and approval code.
Engine Oil Capacity:
Approximately 6.5 US quarts (6.2 Liters) with filter change.
Coolant Type:
BMW Blue Antifreeze/Coolant (G48) or equivalent ethylene glycol-based coolant.
Power Steering Fluid:
Pentosin CHF 11S or BMW approved equivalent.
Common Issue Cooling:
Plastic coolant expansion tank failures, water pump bearing failure, thermostat housing leaks.
Common Issue Engine:
Oil pan gasket leaks, CCV (Crankcase Ventilation) system failure leading to rough idle and oil consumption, VANOS (Variable Valve Timing) solenoid issues.
Common Issue Suspension:
Front control arm bushings (RTABs), ball joints, strut mounts, subframe bushings.
Common Issue Electrical:
ABS/DSC sensor failures, fuel pump failures, window regulator failures, EWS (Electronic Immobilizer System) issues.
Heritage Focus:
BMW's long-standing reputation for engineering excellence and 'The Ultimate Driving Machine' slogan.
E46 Introduction:
The E46 generation replaced the E36 3 Series, introducing significant improvements in chassis, interior design, and technology.
E46 Facelift:
A significant facelift occurred in 2001/2002, updating exterior styling (headlights, taillights, bumpers) and interior trim.
E46 Variants:
Available as Sedan, Coupe, Convertible, and Wagon (Touring).
Production Years:
1998-2006 (model years 1999-2005 for US market 330i)
Car And Driver Best:
Consistently named to Car and Driver's '10Best' list for multiple years during its production.
Ward S 10Best Engines:
The M54 engine family was recognized by Ward's AutoWorld's '10 Best Engines' list.
Overall Reputation:
Highly regarded for its driving dynamics, build quality, and longevity when properly maintained.
