Market Position:
The E46 3-series represented a peak in compact executive sedan/coupe design, known for its driving dynamics and premium feel, competing with Mercedes-Benz C-Class, Audi A4, and Lexus IS.
Competitive Analysis:
The E46 offered a superior balance of performance, handling, and luxury compared to many contemporaries, solidifying BMW's reputation for 'The Ultimate Driving Machine'.
Key Features:
Exceptional handling and steering feedback, refined inline-6 engines, high-quality interior appointments, and a range of body styles.
Coverage Areas:
All 3-series (E46) models, including sedan, coupe, convertible, and wagon variants.
Page Count:
Extensive (exact number not provided in product info, but implied to be comprehensive for A-Z repairs)
Manual Type:
Service and Repair Manual
Format:
Likely printed or a high-quality digital format (PDF) mirroring dealership documentation.
Source Credibility:
Directly stated as the exact manual used by dealership technicians, ensuring unparalleled accuracy and completeness.
Systems Covered:
Engine (M52, M54, M43, S54 inline-6 and inline-4 variants), Transmission (manual & automatic), Drivetrain, Suspension, Steering, Brakes, Electrical System, Climate Control, Bodywork, Interior Components, Diagnostics.
Procedures Included:
Routine maintenance (oil changes, fluid flushes, filter replacements), Troubleshooting diagnostics, Component removal and installation, Engine repair and overhaul, Transmission service and repair, Brake system servicing, Electrical system diagnosis and repair, Suspension and steering alignment, Body panel repair, Climate control system troubleshooting, Software diagnostics and coding (likely referencing ISTA/D procedures).
Technical Depth:
Comprehensive, covering everything from basic maintenance to complex engine and electrical system overhauls. Utilizes exact OEM procedures and specifications.
Diagnostics:
Detailed diagnostic procedures for all major systems, including fault code interpretation (OBD-II and BMW proprietary codes), live data analysis, and actuator testing. Likely refers to BMW's diagnostic tools like GT1/DIS or ISTA.
File Format:
Implied high-fidelity digital reproduction of dealership manuals, possibly PDF with searchable text and high-resolution diagrams.
Print Quality:
If printed, expected to be high-quality paper with clear diagrams and text, mirroring official BMW documentation.
Binding Type:
If printed, likely a durable binding (e.g., spiral-bound, perfect-bound) suitable for workshop use.
Paper Type:
If printed, durable, possibly glossy paper to withstand workshop conditions and display diagrams clearly.
Completeness:
Vehicle Specific, Not Generic; A-Z Coverage of all models and all repairs, identical to dealership technician's resource.
Diagrams:
High-quality, detailed technical diagrams, schematics, and illustrations for all components and systems.
Primary Engine:
M54B30 (3.0L Inline-6), M54B25 (2.5L Inline-6), M54B22 (2.2L Inline-6). Also M52TU and M43 variants were available earlier in the E46 lifecycle.
330I Performance:
Approx. 225 hp @ 5900 rpm, 214 lb-ft @ 3500 rpm (M54B30)
325I Performance:
Approx. 184 hp @ 6000 rpm, 175 lb-ft @ 3500 rpm (M54B25)
Fuel System:
Multi-point fuel injection (Bosch Motronic ME 9.2 or similar for later models), electronic throttle control.
Engine Codes 2004:
M54B22, M54B25, M54B30
Engine Variants:
Includes naturally aspirated inline-4 (M43) and inline-6 (M52TU, M54) engines, as well as the high-performance S54 inline-6 in the M3 variant (though M3 specific details might be in a separate manual, this implies it is covered).
Cooling System Type:
Pressurized, liquid-cooled system with electric cooling fan and coolant expansion tank.
Sedan Length:
Approx. 4,471 mm (176.0 in)
Sedan Width:
Approx. 1,739 mm (68.5 in)
Sedan Height:
Approx. 1,412 mm (55.6 in)
Wheelbase:
Approx. 2,725 mm (107.3 in)
Curb Weight Sedan:
Approx. 1,400-1,550 kg (3,086-3,417 lb) depending on engine and equipment
Sedan Trunk Capacity:
Approx. 440 liters (15.5 cu ft)
NHTSA Front Impact Driver:
5 Stars (for sedan body style)
NHTSA Front Impact Passenger:
5 Stars (for sedan body style)
IIHS Front Offset Score:
Good (for models tested)
Active Features:
Dynamic Stability Control (DSC), Anti-lock Braking System (ABS), Traction Control (ASC+T), optional Xenon headlights.
Passive Features:
Front airbags, front side-impact airbags, available head protection system (HPS) curtain airbags, advanced crumple zones, seatbelt pre-tensioners.
Tire Size Examples:
205/55R16, 225/45R17, 225/40R18 (depending on model and trim)
Infotainment System:
BMW Professional Radio, optional BMW Business CD, optional Navigation system (MK4 unit), optional Harman Kardon sound system.
Driver Assistance:
Cruise control (standard on most), Park Distance Control (PDC) - optional rear and front.
Connectivity:
Optional Bluetooth hands-free system, optional CD changer.
Oil Change Interval:
BMW Condition Based Service (CBS) system, typically around 10,000-15,000 miles or annually, whichever comes first, depending on driving conditions and oil quality. Check CBS indicator.
Coolant Flush Interval:
Approximately every 2-3 years or 30,000-50,000 miles. Refer to manual for specific BMW coolant type.
Engine Oil Specification:
BMW Longlife-01 (LL-01) or LL-04 approved synthetic oil, SAE 0W-40 or 5W-30 depending on climate and engine. E.g., Castrol Syntec BMW LL-01 5W-30.
Coolant Specification:
BMW Blue Antifreeze/Coolant (G48 ethylene glycol based), mixed 50/50 with distilled water.
Brake Fluid Specification:
DOT 4 Low Viscosity (LV) or DOT 4+.
Transmission Fluid Manual:
MTF LT-2 or MTF LT-3 (BMW's specific manual transmission fluid). Capacity: Approx. 1.5-2.0 liters.
Transmission Fluid Automatic:
ZF Lifeguardfluid 5 (for 5HP19) or Lifeguardfluid 6 (for 6HP19). BMW ATF LT-3 for some variants. Capacity: Approx. 4-5 liters for drain/refill.
Known Issues:
Cracked plastic intake manifold (M54), VANOS (Variable Valve Timing) solenoid issues, oil leaks from valve cover gasket or oil pan gasket, coolant expansion tank failure, rear subframe mounting cracks (less common but critical), CCV (Crankcase Ventilation) system failure leading to oil consumption and rough idle, ABS/DSC module failures (often due to solder fatigue).
Oil Filter Part Number Example:
Mann-Filter HU 832 x, Mahle OX 152 D, or OEM 11 42 1 701 935
Air Filter Part Number Example:
Mann-Filter C 35 185 or OEM 13 72 1 435 520
Maintenance Schedule Key:
Follow BMW's Condition Based Service (CBS) system; manual provides detailed checks for spark plugs (approx. 60,000 miles), cabin microfilter (approx. 15,000-30,000 miles), fuel filter (often considered lifetime but inspect/replace if issues arise), and brake pad/rotor wear.
Tune Up Procedures:
Spark plug replacement, ignition coil inspection/replacement, MAF sensor cleaning, fuel injector cleaning (if necessary), throttle body cleaning.
Brand Heritage:
BMW, founded in 1916, has a long-standing reputation for engineering excellence, performance-oriented vehicles, and a focus on the driving experience.
Model Evolution:
The E46 succeeded the E36 and was itself succeeded by the E90. It was a critical model for BMW, refining the brand's sporty sedan image and introducing new technologies.
Production Years E46:
1998-2006
Manufacturing Locations:
Germany (Munich, Dingolfing, Regensburg), South Africa, Austria, Thailand.
Facelift Details:
E46 received a significant facelift for the 2001 model year, including updated headlights, taillights, bumpers, and interior trim. This 2004 manual covers the post-facelift models comprehensively.
