Segment:
Compact Executive/Premium Sedan and Sedan
Target Audience:
Enthusiasts, DIY mechanics, professional technicians working on BMW E46 models.
Competitors:
Mercedes-Benz C-Class (W203), Audi A4 (B6), Lexus IS300, Infiniti G35.
Vehicle Strengths:
Exceptional handling and driving dynamics, powerful inline-six engines, premium interior materials, robust build quality.
Value:
Essential for proper maintenance and repair, enabling cost savings and extending vehicle lifespan. Offers expert-level guidance.
Covered Years:
1999, 2000, 2001, 2002, 2003, 2004, 2005
Covered Models:
330i (RWD), 330xi (AWD)
Estimated Page Count:
Extensive (typically 1000+ pages for complete workshop manuals)
Manual Type:
Complete Workshop Service Repair Manual
Format:
Downloadable Digital Format (likely PDF)
Engine:
Engine mechanical, cooling system, lubrication system, fuel system, ignition system, emission control system, engine management system (DME).
Transmission:
Manual transmission (Getrag 260/6), Automatic transmission (GM 5L40-E), clutch, driveline, axles, differential.
Brakes:
Front and rear disc brakes, ABS (Anti-lock Braking System), DSC (Dynamic Stability Control), brake system diagnostics, bleeding procedures.
Suspension:
Front suspension (MacPherson strut, multi-link), rear suspension (multi-link), steering system, wheel alignment.
Electrical:
12V electrical system, battery, alternator, starter, lighting system, power windows, mirrors, seats, central locking, fuse box diagrams, wiring schematics.
Bodywork:
Exterior body panels, interior trim, doors, hoods, trunk lid, bumpers, convertible top (if applicable), glass replacement.
Climate Control:
HVAC (Heating, Ventilation, and Air Conditioning) system, blower motor, compressor, refrigerant.
Infotainment Nav:
Radio system, navigation system, speaker systems (coverage may vary by manual edition).
Maintenance:
Scheduled maintenance, oil changes, filter replacements, spark plug replacement, fluid checks and changes.
Repair:
Engine component repair, transmission overhaul, brake caliper replacement, suspension bushing replacement, electrical component diagnosis and repair.
Diagnostics:
Troubleshooting guides, symptom-based diagnostics, fault code interpretation, use of diagnostic tools (e.g., DIS, ISTA).
Rebuilds:
Engine rebuild procedures, transmission rebuild procedures (detailed step-by-step instructions).
Installation:
Component installation (e.g., sensors, control modules), accessories installation.
Depth:
Comprehensive. Covers routine maintenance to complete engine and transmission rebuilds, including detailed diagnostic procedures and electrical schematics.
Transmission Type:
5-speed manual (Getrag 420G or 5L40-E Automatic for some markets, but M54B30 typically paired with 5L40-E)
Transmission Type Optional:
5-speed automatic (GM 5L40-E)
Drivetrain:
Rear-Wheel Drive (330i), All-Wheel Drive (330xi - xDrive system)
Manual Fluid:
BMW MTF LT-1 or equivalent (check manual for specific spec)
Automatic Fluid:
Dexron III / Mercon (GM spec for 5L40-E) - confirm with manual
NHTSA Front Impact:
5-Star
Stability Control:
Dynamic Stability Control (DSC) standard
Traction Control:
Traction Control System (ASC+T)
Braking Assistance:
Anti-lock Braking System (ABS)
Airbags:
Frontal airbags, side airbags, optional head airbags.
Seatbelts:
3-point seatbelts with pre-tensioners and force limiters.
Audio System:
BMW Business CD, BMW Professional CD, optional Harman Kardon sound system.
Navigation:
Optional BMW Business or Professional Navigation system (MK4 navigation computer).
Parking Assistance:
Optional Rear Park Distance Control (PDC).
Bluetooth:
Optional Bluetooth mobile interface.
Cruise Control:
Standard cruise control.
Headlights:
Halogen headlights standard, optional Xenon Adaptive Headlights.
Oil Change Interval:
Typically 7,500-10,000 miles or 12-15,000 km, or as indicated by the Condition Based Service (CBS) system (manual will detail specific intervals).
Spark Plug Replacement:
Approximately 60,000 miles (100,000 km) for the M54 engine (use specific plug type recommended by BMW).
Coolant Flush:
Every 2 years or as recommended by BMW (BMW Blue coolant).
Engine Oil Type:
BMW Longlife-01 (LL-01) approved synthetic oil, viscosity typically 0W-30 or 5W-30. Always verify with the manual.
Engine Oil Capacity:
6.5 US quarts (6.2 Liters) with filter change.
Coolant Type:
BMW Blue Antifreeze/Coolant (G48 ethylene glycol based)
Common Problems:
Vanos seal failure, oil filter housing gasket leaks, CCV (crankcase ventilation) system issues, cooling system component degradation (hoses, water pump, thermostat), E46 "subframe tear" (reinforcement recommended), ABS/DSC sensor failures, VANOS solenoid failures.
Preventative Maintenance:
Regular inspection of hoses, Vanos system, CCV system, and cooling system components is crucial. Consider subframe reinforcement on higher mileage vehicles.
