🏷️ Basic Information Identification Make: BMW Model: 3 Series Sub Model: 325i Sub Model Variant: 325xi Year: 1999 Codes Chassis Code: E46 👋 Introduction Market Position Segment: Compact Executive Sedan/Wagon Usp: Sporty handling, refined interior, advanced engineering for its time, availability of xDrive all-wheel drive. Competitive Analysis Key Competitors: Mercedes-Benz C-Class (W202), Audi A4 (B5), Lexus IS, Acura TL Key Features Powertrain Options: Inline-6 engines, rear-wheel drive (RWD) and xDrive all-wheel drive (AWD) options. Driving Dynamics: Renowned BMW handling characteristics, balanced chassis, precise steering. Build Quality: High-quality materials and assembly typical of BMW. 📋 Manual Details Coverage Areas Manual Type: Factory Service Repair Manual Language: English Format: PDF Download Page Count Page Count: Hundreds of Pages (estimated 1500+ pages for comprehensive E46 manual) 📖 Manual Coverage Systems Covered Engine Management: Full diagnostics, troubleshooting, component testing, fuel injection, ignition timing, emissions control, DME (Digital Motor Electronics) operation. Powertrain: Engine mechanical repair, cooling system, lubrication system, exhaust system, clutch, manual transmission (Getrag 250G), automatic transmission (GM A4S 310R) overhaul and repair. Drivetrain: All-Wheel Drive (xDrive) system specifications, transfer case, driveshafts, differentials (front and rear), wheel bearings, CV joints. Suspension: Front McPherson strut assembly, rear multi-link suspension, control arms, ball joints, bushings, shock absorbers, springs, anti-roll bars, wheel alignment specifications. Brakes: Front and rear disc brake systems, ABS (Anti-lock Braking System) diagnostics and repair, brake fluid specifications, bleeding procedures, caliper and rotor replacement. Steering: Power steering system, steering rack, tie rods, steering column, steering angle sensor diagnostics. Electrical: Complete wiring diagrams, fuse box locations and functions, battery, alternator, starter motor, lighting systems, power windows, central locking, instrument cluster, body control module (BCM). Bodywork: Exterior panel removal and installation (doors, hood, trunk, bumpers), interior trim, glass replacement, body repair procedures, rust prevention. HVAC: Heating, Ventilation, and Air Conditioning (HVAC) system operation, refrigerant, compressor, condenser, evaporator, climate control unit diagnostics. Procedures Included Routine Maintenance: Oil changes, filter replacements (oil, air, fuel, cabin), spark plug replacement, coolant flushes, brake fluid changes, drive belt inspection and replacement. Diagnostic Troubleshooting: Step-by-step diagnostic flowcharts for common and uncommon issues, symptom-based troubleshooting guides, OBD-II diagnostic trouble code (DTC) interpretation and resolution. Component Repair Rebuild: Detailed instructions for disassembling, inspecting, repairing, and reassembling major vehicle components including engines, transmissions, differentials, and suspension parts. Electrical Diagnostics: Troubleshooting electrical faults using wiring diagrams, testing circuits, diagnosing sensors and actuators, programming control modules (where applicable). Body And Trim: Removal and installation procedures for interior and exterior trim components, door mechanisms, latches, and seals. Technical Depth Depth Level: Comprehensive; covers from basic maintenance to in-depth engine and transmission overhauls, advanced electrical diagnostics, and chassis component repairs. 📊 Manual Specifications File Format File Format: Portable Document Format (PDF) Print Quality Print Quality: High-resolution scans of original factory documents, ensuring clarity of text and diagrams for printing. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: M52TU B25 Engine Type: Inline 6-cylinder, 24-valve, DOHC (Double Overhead Camshaft), VANOS (Variable Valve Timing) Displacement: 2494 cc (2.5 Liters) 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: Sequential Multi-Port Fuel Injection (MPI) with Bosch Motronic 5.2 engine management. Fuel Type: Premium Unleaded Gasoline (91 Octane or higher recommended) Cooling System Coolant Capacity: Approx. 7.5 Liters (with heater core) Coolant Type: BMW Blue Antifreeze (G48 ethylene glycol-based) or equivalent. 🔧 Transmission Standard Transmission Type 325I: 5-speed Manual Transmission (Getrag 250G) Optional Transmission Type 325Xi: 5-speed Automatic Transmission (GM A4S 310R) with Steptronic function Features Manual Clutch: Hydraulic clutch actuation. Automatic Features: Adaptive shift logic, Sport and Steptronic modes. Fluid Specs Manual Transmission Fluid: BMW Manual Transmission Fluid LT-3 (or equivalent API GL-4/GL-5 synthetic) - Check for specific PN Automatic Transmission Fluid: Dexron III/Mercon or equivalent (BMW P/N 83 22 0 024 249) 📐 Dimensions Exterior Wheelbase: 107.3 inches (2728 mm) Length: 177.4 inches (4506 mm) Width: 68.3 inches (1735 mm) Height: 55.7 inches (1415 mm) Weights Curb Weight 325I: Approx. 3300 lbs (1497 kg) Curb Weight 325Xi: Approx. 3450 lbs (1565 kg) Cargo Trunk Volume: 11.7 cu ft (331 L) Wheels Tires Wheel Bolt Pattern: 5x120 mm Standard Wheel Size: 16 x 7.0 inches Standard Tire Size: 205/55R16 🛡️ Safety Features Ratings NHTSA Front Crash Test: 4/5 stars (for driver/passenger respectively, typical for era) Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Standard Dynamic Stability Control (DSC) / Traction Control System (ASR) Passive Features Airbags: Front dual-stage airbags, optional front side-impact airbags. Seatbelts: Three-point inertia-reel seatbelts with pretensioners and force limiters. Body Structure: Reinforced passenger cell, crumple zones. 💡 Technology Features Infotainment Head Unit: Factory BMW Professional CD or Cassette stereo system, optional navigation system (CCC). Speaker System: Factory 6 or 10-speaker system, optional Harman Kardon premium...