🏷️ Basic Information Identification Make: BMW Model: 325i Model Variant: 325 Year: 1999 Codes Chassis Code: E46 👋 Introduction Market Position Market Positioning: The E46 3 Series was positioned as a premium compact executive sedan and coupe, renowned for its driving dynamics, build quality, and sophisticated engineering, competing with vehicles like the Mercedes-Benz C-Class and Audi A4. Competitive Analysis Competitors: Mercedes-Benz W202 C-Class, Audi B5 A4, Lexus IS200, Alfa Romeo 155. Key Features Key Features Vehicle: Rear-wheel drive platform, balanced chassis, driver-focused interior, inline-six engine reputation for smoothness and power delivery. 📋 Manual Details Coverage Areas Engines Covered: All Engine Variants for 325i model Transmission Types Covered: All Transmission Types (Manual and Automatic) Trim Levels Covered: All Trim Levels Page Count Estimated Page Count: 1500+ Manual Type Manual Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download Completeness Manual Completeness: This is a comprehensive workshop manual, covering all aspects of service, maintenance, and repair for the specified vehicle. 📖 Manual Coverage Systems Covered Powertrain: Engine (M52B25), Cooling System, Fuel System, Exhaust System, Drivetrain (Transmission, Driveshafts, Differential) Chassis: Suspension (Front & Rear), Steering System, Braking System (ABS) Electrical: Engine Control Unit (ECU), Ignition System, Lighting System, Instrumentation, Power Accessories, Body Control Module (BCM) Body: Exterior Body Panels, Interior Trim, Doors, Windows, Seats, Climate Control System Climate Control: Manual and automatic climate control systems, A/C system servicing, heater core replacement, blower motor diagnosis. Procedures Included Maintenance: Routine Service Intervals, Fluid Checks & Replacements, Filter Replacements, Spark Plug Replacement, Belt Inspection & Replacement Diagnostics Troubleshooting: Symptom-Based Troubleshooting, Diagnostic Trouble Codes (DTCs), Electrical System Diagnostics, Engine Performance Issues Repair Replacement: Engine Component Rebuilds, Transmission Overhaul, Suspension Component Replacement, Brake System Repair, Electrical Component Replacement, Body Panel Repair Special Tools: Identification and usage of specialized BMW tools for specific procedures Electrical Schematics: Detailed wiring diagrams for all major vehicle systems, including engine management, lighting, power accessories, and safety systems. Technical Depth Depth: Comprehensive - from basic maintenance to complete engine and transmission overhauls, including electrical schematics and diagnostic procedures. Diagnostic Tools Coverage: Information pertaining to using BMW's diagnostic tools (e.g., GT1, DIS) and interpreting diagnostic trouble codes (DTCs). 📊 Manual Specifications File Format File Format: Portable Document Format (PDF) Print Quality Print Quality: High-resolution, printable pages with clear diagrams and text. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) Searchability Searchability: Searchable text for quick information retrieval. ⚙️ Engine Specifications Primary Engine Engine Code: M52TU B25 Engine Type: 2.5L DOHC Inline-6 Bore X Stroke: 84.0 mm x 75.0 mm Compression Ratio: 10.2:1 Performance Horsepower: 189 hp @ 6000 rpm Torque: 181 lb-ft @ 3500 rpm Fuel System Fuel Injection: Sequential Electronic Fuel Injection (SEFI) Fuel Type: Premium Unleaded Gasoline (91+ Octane) Engine Management Engine Control Unit: Bosch Motronic ME 7.2 (or similar) Ignition System: Distributorless Ignition System (DIS) with individual coil-on-plug ignition. Valve Train Valve Actuation: Dual Overhead Camshafts (DOHC), 24 Valves (4 per cylinder), VANOS (Variable Valve Timing) 🔧 Transmission Standard Standard Transmission: 5-speed Manual Transmission Optional Optional Transmission: 5-speed Steptronic Automatic Transmission Features Transmission Features: Rear-wheel drive, limited-slip differential available on some models. Fluid Type Manual Transmission Fluid: BMW recommends specific synthetic manual transmission fluids (e.g., ATF Dexron III or equivalent). Automatic Transmission Fluid: BMW recommends specific synthetic ATF fluids (e.g., ATF Dexron III or equivalent). 📐 Dimensions Exterior Length: Approx. 4,471 mm (176.0 in) Width: Approx. 1,739 mm (68.5 in) Height: Approx. 1,415 mm (55.7 in) Wheelbase: Approx. 2,725 mm (107.3 in) Weights Curb Weight: Approx. 1,480 - 1,550 kg (3,263 - 3,417 lbs), depending on configuration. Cargo Trunk Volume: Approx. 440 liters (15.5 cu ft) Interior Front Headroom: Approx. 980 mm (38.6 in) Front Legroom: Approx. 1,040 mm (40.9 in) 🛡️ Safety Features Ratings NHTSA Front Impact Rating: 4/5 stars (1999 Model Year) Active Features Active Safety Features: Anti-lock Braking System (ABS), Dynamic Stability Control (DSC) (optional on some models) Passive Features Passive Safety Features: Frontal Airbags, Side-impact Protection System (SIPS), Crumple Zones, Seatbelt Pretensioners. Chassis Design Chassis Safety Design: Advanced chassis design with a focus on occupant protection and handling stability. 💡 Technology Features Infotainment Infotainment System: Basic AM/FM stereo with cassette player, optional CD player. Limited early-generation navigation systems may have been available. Driver Assistance Driver Assistance Features: Cruise control, rear parking sensors (optional on some models). Connectivity Connectivity Options: Analog radio reception, optional analog cellular phone integration on some higher-spec models. 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500 to 10,000 miles or annually, depending on driving conditions and oil type used. Refer to Condition Based Service (CBS) or manual recommendations. Spark Plug Replacement: Approximately every 60,000 miles (check specific recommendations). Coolant Flush: Every 2-3 years or as per manual. BMW Blue coolant is typically used. Fluid Specifications Engine Oil Specification: SAE 5W-30 or 5W-40 Synthetic Engine Oil...