Vehicle Segment:
Compact Executive / Premium Compact
Key Competitors:
Audi A4, Mercedes-Benz C-Class, Lexus IS, Acura TL, Infiniti G35
Driving Dynamics:
Renowned for its sporty handling, balanced chassis (near 50/50 weight distribution), rear-wheel-drive bias, and engaging driving experience
Vehicle Body Styles:
Sedan, Coupe, Convertible, Sportwagon (Touring)
Estimated Page Count:
1500-2500 (typical for comprehensive workshop manuals of this era)
Manual Classification:
Service and Repair Workshop Manual
Language Offered:
English
Digital Format:
Downloadable (likely PDF)
Engine Systems:
Engine mechanicals (assembly, disassembly, tuning), cooling system, lubrication system, fuel injection (Bosch Motronic/Siemens DME), ignition system, exhaust system, emission controls
Drivetrain Systems:
Manual transmission, automatic transmission (GM 5L40-E, ZF 5HP19), clutch, driveshafts, differentials, axles, AWD (xDrive) systems
Chassis Systems:
Suspension (front McPherson strut, rear multi-link), steering (power assisted), brakes (front vented discs, rear discs, ABS, DSC), wheel alignment
Electrical Systems:
Wiring diagrams, battery, charging system (alternator), starter, lighting, instrument cluster, comfort electronics (windows, locks, mirrors, seats), climate control, SRS (airbag) system, diagnostic connectors (OBD-II)
Maintenance Procedures:
Oil change, filter replacement, spark plug replacement, coolant flush, brake fluid flush, belt replacement, air filter replacement, cabin filter replacement
Repair Procedures:
Engine rebuild, cylinder head service, transmission overhaul, clutch replacement, brake caliper overhaul, suspension component replacement, steering rack replacement, power steering pump replacement, starter/alternator replacement
Diagnostics Troubleshooting:
Fault code reading and interpretation, symptom-based troubleshooting guides, component testing procedures, electrical circuit diagnostics
Diagnostic Capability:
Advanced diagnostics with torque specifications, pressure readings, resistance values, and diagnostic trouble codes (DTCs)
Rebuild Capability:
Complete engine and transmission rebuild procedures, including clearances, torque sequences, and special tool requirements
Engine Lineup Overview:
Inline-4 and Inline-6 gasoline engines, Inline-4 diesel engines (Europe)
Inline 4 Gasoline Engines:
2.0L (M43TU, N42, N46) and 2.5L (M54B25, N52 - latter post-2005 for some markets)
Inline 6 Gasoline Engines:
2.5L (M54B25), 2.8L (M54B28), 3.0L (M54B30), 3.2L (S54 - M3 model)
Typical Horsepower Range:
125 hp (2.0L diesel) to 333 hp (M3 3.2L S54)
Typical Torque Range:
180 Nm (2.0L diesel) to 350 Nm (M3 3.2L S54)
Fuel Delivery:
Multi-point fuel injection (MPI) with Bosch Motronic or Siemens DME engine management systems
Base Transmission:
5-speed Manual Transmission (Getrag 250)
Optional Transmission:
5-speed Steptronic Automatic Transmission (GM 5L40-E, ZF 5HP19)
Rear Axle Ratios:
Varies by model and engine (e.g., 3.07, 3.46, 3.64)
Wheelbase:
Approx. 2760 mm (108.7 in) for Sedan/Coupe/Convertible, 2731 mm (107.5 in) for Sportwagon
Overall Length:
Approx. 4471 mm (176.0 in) for Sedan, 4492 mm (176.8 in) for Coupe, 4488 mm (176.7 in) for Convertible, 4473 mm (176.1 in) for Sportwagon
Curb Weight Range:
Approx. 1350 kg to 1700 kg (depending on body style, engine, and options)
IIHS Ratings:
Generally Good in frontal offset tests, varying side impact ratings
Active Safety Systems:
Anti-lock Braking System (ABS), Dynamic Stability Control (DSC) standard on most models, Traction Control System (TCS)
Passive Safety Features:
Front airbags, side airbags, optional head curtain airbags, seatbelt pre-tensioners
Infotainment Systems:
BMW Professional Radio, optional CD changer, optional navigation system (MKIV unit), optional Harman Kardon audio system
Driver Assistance Features:
Cruise control, parking sensors (rear optional), rain-sensing wipers, automatic climate control
Connectivity Options:
BMW Assist (telematics system, varying availability by region/year), optional Bluetooth hands-free connectivity
Oil Change Interval:
Typically 10,000-15,000 miles or 12-24 months, depending on oil type and driving conditions (as per Condition Based Service - CBS)
Inspect Brake Pads Rotors:
Every 15,000 - 20,000 miles or as indicated by CBS
Replace Cabin Air Filter:
Every 15,000 - 30,000 miles or 12-24 months
Replace Spark Plugs:
Approximately 60,000 miles for iridium plugs, 100,000 miles for platinum plugs (depending on engine)
Engine Oil Spec:
BMW Longlife-01 (LL-01) or Longlife-04 (LL-04) synthetic oil, viscosity typically 0W-30, 5W-30, or 5W-40 depending on climate and engine
Coolant Spec:
BMW Blue Antifreeze/Coolant (G48 ethylene glycol based) diluted with distilled water (50/50 mix)
Brake Fluid Spec:
DOT 4 (or DOT 4 Plus)
Transmission Fluid Manual:
MTF LT-2 (Manual Transmission Fluid)
Transmission Fluid Automatic:
Esso LT 71141 or equivalent (e.g., Pentosin ATF 31)
Common Problems Engine:
Oil leaks (valve cover gasket, oil pan gasket), CCV (Crankcase Ventilation) system failure leading to oil consumption/smoke, VANOS (Variable Valve Timing) solenoid issues, ignition coil failure, cooling system components (water pump, thermostat, expansion tank) failure, cracked plastic coolant pipes.
Common Problems Chassis:
Subframe bushings (rear), control arm bushings (front), ball joints, wheel bearings, strut mount failure, VANOS oil line leaks (M54 engines).
Common Problems Electrical:
ABS/DSC sensor failures, window regulator failures, pixelation on instrument cluster LCDs, blower motor resistor failure, headlight condensation.
Bmw Philosophy:
Bayerische Motoren Werke AG, historically known for its focus on performance, engineering precision, and the 'Ultimate Driving Machine' slogan
E46 Generation Introduction:
Introduced in 1998 for the 1999 model year, succeeding the E36 generation
Facelift Minor Changes:
Facelift occurred in 2001 with updated headlights, taillights, bumpers, and interior trim; significant mechanical updates in 2003 for certain models (e.g., N52 engine introduction).
Production Period:
1998-2006 (Sedan/Coupe/Convertible), 2000-2004 (Sportwagon)
