🏷️ Basic Information Identification Make: BMW Model: 3 Series Model Variant: 325i Model Generation: E46 Production Year: 1999 Codes Chassis Code: E46 👋 Introduction Market Position Segment: Compact Executive Sedan/Coupe Target Audience: Drivers seeking a balance of performance, luxury, and driving dynamics. Competitive Analysis Key Competitors: Audi A4, Mercedes-Benz C-Class, Lexus IS, Infiniti G20 Key Features Driving Dynamics: Renowned for its balanced chassis, RWD platform, and engaging driving experience. Engine Smoothness: Inline-six engines known for their refinement and power delivery. Build Quality: Typical BMW high-quality interior materials and solid construction. 📋 Manual Details Coverage Areas All Major Topics: Yes Page Count Estimated Page Count: 1000+ Manual Type Manual Type: Service Repair Workshop Manual Language Language: English Format Format: Digital (likely PDF, but not explicitly stated) 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul, component replacement, timing systems, lubrication Engine Management: Fuel injection, ignition system, emissions control, sensors, actuators, diagnostics Transmission Manual: Clutch, gearbox overhaul, shifting mechanisms, fluid service Transmission Automatic: Torque converter, valve body, planetary gears, control systems, fluid service Drivetrain: Driveshafts, CV joints, differential, rear axle assembly Suspension: Front and rear suspension components, shock absorbers, springs, control arms, alignment Steering: Steering rack, power steering pump, steering column, linkages Brakes: Brake system hydraulics, ABS, EBD, brake discs, pads, calipers, bleeding procedures Electrical System: Battery, alternator, starter, lighting, fuses, relays, wiring diagrams Climate Control: HVAC system, blower motor, refrigerant, actuators, diagnostics Body And Chassis: Body panels, doors, interior trim, glass, structural components Safety Systems: Airbags, seatbelt pre-tensioners, SRS system diagnostics Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug service, fluid checks Component Replacement: Detailed instructions for replacing all major mechanical and electrical components Troubleshooting: Diagnostic flowcharts, symptom-based troubleshooting guides, common fault diagnosis Diagnostics: OBD-II fault codes, diagnostic tool usage, sensor testing Rebuilding Procedures: Engine and transmission rebuilding specifications and steps Wiring Diagrams: Comprehensive electrical schematics for all vehicle systems Technical Depth Depth: Comprehensive: Covers basic maintenance to complete engine and transmission rebuilds, including advanced diagnostics. 📊 Manual Specifications File Format File Type: Likely PDF (digital format) Searchability: Assumed to be text-searchable if PDF Print Quality Print Recommendation: High-resolution for clarity of diagrams and text Binding Type Binding: N/A (Digital format) Paper Type Paper Quality: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Engine Code: M52TU B25 Engine Type: DOHC Inline 6-cylinder Displacement: 2.5 Liters (2494 cc) Bore X Stroke: 84.0 mm x 75.0 mm Compression Ratio: 10.2:1 Performance Horsepower: 189 hp @ 5900 rpm Torque: 181 lb-ft @ 3500 rpm Fuel System Fuel Delivery: Multi-point Fuel Injection (Bosch Motronic ME 7.2) Fuel Type: Premium Unleaded Gasoline (91 Octane or higher recommended) Engine Features Variable Valve Timing: VANOS (Variable Valve Timing) 🔧 Transmission Standard Transmission Type: 5-Speed Manual (Getrag S5D 250G) Optional Transmission Type: 5-Speed Steptronic Automatic (GM A5S 325Z) Features Rear Wheel Drive: Standard 📐 Dimensions Exterior Length: 177.4 inches Width: 68.5 inches Height: 55.7 inches Wheelbase: 107.4 inches Weights Curb Weight: 3263 - 3350 lbs (approx.) Gross Vehicle Weight Rating: 4387 lbs (approx.) 🛡️ Safety Features Ratings NHTSA Front Impact: 4/5 Stars (Driver/Passenger) NHTSA Side Impact: 4/5 Stars (Front/Rear Passenger) Active Features ABS: Standard Traction Control: Standard (ASC+T - Automatic Stability Control + Traction) Passive Features Airbags: Driver and front passenger airbags, optional side-impact airbags Seatbelts: 3-point front and rear seatbelts with pretensioners 💡 Technology Features Infotainment Radio Options: Standard AM/FM stereo with cassette and CD player options, Nakamichi premium sound system available. Navigation: Optional BMW Business or Professional Navigation System. Driver Assistance Cruise Control: Standard Parking Sensors: Optional rear park distance control (PDC). Connectivity Telematics: Optional BMW Assist telematics system. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 7,500 - 10,000 miles or annually, based on CBS (Condition Based Service) or typical usage. Coolant Flush: Every 2 years or 30,000 miles. Spark Plug Replacement: Approximately every 100,000 miles (depending on plug type and condition). Brake Fluid Flush: Every 2 years. Fluid Specifications Engine Oil Type: SAE 0W-30 or 0W-40 Synthetic (BMW LL-01 approved) Engine Oil Capacity: 6.5 US quarts (6.1 liters) with filter change Coolant Type: BMW Blue Coolant (G48 or similar ethylene glycol based coolant with corrosion inhibitors) Automatic Transmission Fluid: BMW ATF LT-3 (or equivalent like Pentosin ATF1) Manual Transmission Fluid: SAE 75W-90 Synthetic Gear Oil (BMW approved specification) Differential Fluid: SAE 75W-90 Synthetic Gear Oil (BMW approved specification) Known Issues Coolant System: Plastic coolant expansion tank can become brittle and crack; water pump failures (especially plastic impeller). Oil Leaks: Valve cover gasket, oil pan gasket, and oil filter housing gasket are common leak points. Suspension Components: Control arm bushings, ball joints, and rear shock mounts can wear over time. ABS Wheel Speed Sensors: Sensors can fail, leading to ABS and traction control warning lights. Window Regulators: Plastic components in the window regulator mechanism can break. 📚 Vehicle History Brand Heritage Brand Focus:...