🏷️ Basic Information Identification Make: BMW Model: 3 Series Chassis Code: E46 Body Style: Convertible Specific Model Variant: 325xi Production Years: 1999-2005 Codes Engine Code Range: M54B25 (for 325xi models) 👋 Introduction Market Position Segment: Premium Compact Executive Convertible/Coupe Competitive Analysis Competitors: Audi A4 Cabriolet, Mercedes-Benz CLK Convertible, Lexus IS Convertible (later models) Key Features Vehicle Platform: E46 platform, known for excellent chassis dynamics and driver engagement Drivetrain: xDrive all-wheel-drive system providing enhanced traction and stability, particularly in adverse weather Body Style Advantage: Convertible body style with retractable hardtop or soft top (E46 typically soft top), offering open-air driving experience Manual Value Proposition Target Audience: Professional technicians and diligent DIY enthusiasts seeking comprehensive repair and maintenance guidance Benefit: Empowers owners to make informed decisions and perform maintenance/repairs accurately, reducing reliance on costly dealership services 📋 Manual Details Coverage Areas Primary Coverage: BMW 3 Series (E46) 325xi Convertible Secondary Coverage: All styles of the E46 Convertible Page Count Estimated Pages: Hundreds (printable in entirety or by section) Manual Type Type: Workshop Service Repair Manual / Factory Service Manual Language Language: English Format Digital Format: PDF 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel system, cooling system, exhaust system, ignition system, lubrication system Drivetrain: Transmission (manual and automatic), clutch, driveshafts, differentials, all-wheel drive system (xDrive) Chassis: Suspension (front and rear), steering system, brakes (hydraulic and pneumatic components), wheels and tires Electrical: Engine control unit (ECU), ignition control, lighting system, instrumentation, infotainment, power accessories, battery, charging system, starter motor, wiring diagrams Body And Interior: Body panels, doors, convertible top mechanism and hydraulics, interior trim, seats, airbags, climate control system Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, lubrication, inspections Repair: Component replacement, system diagnostics, troubleshooting, major component overhaul Diagnostics: Fault code interpretation, diagnostic procedures, electrical troubleshooting with wiring diagrams Disassembly Assembly: Step-by-step instructions for complete disassembly and reassembly of all major components and systems Technical Depth Depth: Comprehensive factory-level detail suitable for professional technicians and advanced DIY mechanics Data Type: Step-by-step instructions, exploded views, high-quality diagrams, torque specifications, clearances, diagnostic flowcharts 📊 Manual Specifications File Format Format: PDF Print Quality Printability: Full printable; individual pages or entire manual Binding Type Binding: Digital (downloadable) - equivalent to a bound manual when printed Paper Type Paper Type: N/A (Digital format) Readability Zoom Functionality: Yes (Zoom IN/OUT capabilities) Delivery Delivery Method: Instant Download Software Requirements Reader: Adobe PDF Reader Unzipping: WinZip (or compatible archiving software) Compatibility Operating Systems: All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine Engine Model: M54B25 Engine Type: Inline 6-cylinder, Naturally Aspirated Displacement: 2.5 Liters (2494 cc) Performance Horsepower: Approximately 189 hp @ 6000 rpm Torque: Approximately 181 lb-ft (245 Nm) @ 3500 rpm Fuel System Fuel Delivery: Multi-Point Fuel Injection (MPI), Electronic Throttle Control (ETC) Engine Management Ignition System: Distributorless ignition system with individual ignition coils per cylinder (DIS) Engine Control Unit: DME (Digital Motor Electronics) control unit Cooling System Coolant Type: BMW recommends BMW Blue Antifreeze (G48 ethylene glycol based) or equivalent Lubrication System Oil Type: BMW Longlife-01 (LL-01) or Longlife-04 (LL-04) approved synthetic oil, typically 5W-30 or 5W-40 🔧 Transmission Standard Transmission Type: 5-speed Manual Transmission (Getrag S5D 320Z or similar) Optional Transmission Type: 5-speed Automatic Transmission (GM Steptronic A5S 325Z or similar) Features Transmission Fluid Manual: MTF LT-2 or equivalent (for manual gearbox) Transmission Fluid Automatic: Dexron III or equivalent for early models, Pentosin ATF1 (BMW part number 8322 0024 249) or equivalent for later models Drivetrain System AWD System: xDrive (Permanent all-wheel drive with electronically controlled distribution of torque) 📐 Dimensions Exterior Length: Approx. 4471 mm (176.0 in) Width: Approx. 1739 mm (68.5 in) Height: Approx. 1382 mm (54.4 in) Wheelbase: Approx. 2760 mm (108.7 in) Weights Curb Weight: Approx. 1760 kg (3880 lbs) for 325xi Convertible Gross Vehicle Weight Rating: Approx. 2160 kg (4762 lbs) 🛡️ Safety Features Ratings NHTSA Frontal Crash Test: Not specifically rated for this convertible variant in all years, but E46 coupe/sedan achieved good ratings for its time. Active Features Stability Control: Dynamic Stability Control (DSC) and Dynamic Traction Control (DTC) Braking System: Anti-lock Braking System (ABS), Electronic Brake-force Distribution (EBD) Passive Features Airbags: Frontal airbags, front side airbags Rollover Protection: Active rollover protection system (deployable roll bars) 💡 Technology Features Infotainment Radio System: BMW Professional or Business CD/RDS radio options, some with integrated navigation (MKIII/MKIV). Audio System: Optional Harman Kardon sound system available. Driver Assistance Parking Sensors: Optional Park Distance Control (PDC) front and rear. Connectivity Bluetooth: Optional Bluetooth mobile phone integration available on later models. Convenience Cruise Control: Standard cruise control system. 🔧 Maintenance Service Intervals Oil Change Interval: Variable Service Interval Indicator (VSI) system typically recommends oil changes based on driving conditions, often around 10,000-15,000 miles or annually. Brake Fluid Flush: Recommended every 2 years regardless of mileage. Coolant Flush: BMW coolant is designed for...