🏷️ Basic Information Identification Make: BMW Model: 325xi Year: 1999 Chassis Code: E46 Codes Engine Code Prefix: M52TU Vehicle Type: Sedan (E46) 👋 Introduction Market Position Positioning: Premium compact executive sedan, known for sporty handling and build quality. Competitive Analysis Competitors: Mercedes-Benz C-Class, Audi A4, Lexus IS series. Key Features Attributes: xDrive all-wheel-drive system, refined interior, strong inline-six engine, balanced chassis. Target Audience Audience: Enthusiasts and owners seeking in-depth maintenance and repair knowledge for their E46 325xi. 📋 Manual Details Coverage Areas Coverage: All Models/Engines/Trim/Transmissions Types for 1999 BMW 325xi Page Count Page Count: Extensive (Specific number not provided, but typical for workshop manuals of this era) Manual Type Manual Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Engine overhaul, cylinder head, crankshaft, pistons, connecting rods, lubrication system, cooling system, intake and exhaust systems. Engine Electrical: Ignition system, fuel injection system (DME - Digital Motor Electronics), emission control systems, starter system, charging system. Transmission: Manual and automatic transmission (Steptronic) repair, overhaul, clutch, torque converter, gear shifting mechanisms. Drivetrain: All-wheel drive (xDrive) system, transfer case, front and rear axles, driveshafts, differential, CV joints. Suspension: Front and rear suspension components (struts, shock absorbers, control arms, bushings), wheel bearings, springs, anti-roll bars. Steering: Power steering system, steering rack, steering column, tie rod ends. Brakes: Brake system components (discs, pads, calipers), hydraulic system, ABS (Anti-lock Braking System), DSC (Dynamic Stability Control), parking brake. Electrical System: Wiring diagrams, fuses, relays, lighting system (headlights, taillights, interior), battery, alternator, starter, body control module (BCM). Climate Control: HVAC system, air conditioning, heater core, blower motor, climate control unit. Interior Trim: Dashboard removal, seat removal, door panel access, trim panel specifications. Exterior Body: Body panel repair, dent removal, bumper specifications, door mechanisms, hood and trunk operation. Safety Systems: Airbag system (SRS - Supplemental Restraint System) diagnostics and replacement, seat belt mechanisms. Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection and replacement. Troubleshooting: Diagnostic procedures for common faults, symptom-based troubleshooting guides, fault code interpretation (where applicable). Component Replacement: Step-by-step instructions for replacing major and minor components (e.g., alternator, starter, water pump, brake calipers, control arms). Rebuilding Procedures: Detailed overhaul procedures for engines and transmissions. Diagnostic Testing: Procedures for testing electrical components, sensors, actuators, and control modules. Wheel Alignment: Specifications for camber, caster, and toe settings. Brake Bleeding: Proper procedures for bleeding the brake system, including ABS-equipped vehicles. Air Conditioning Service: Refrigerant handling, system evacuation and charging, leak detection. Technical Depth Depth: Comprehensive, covering everything from basic maintenance to complete engine and transmission rebuilds. Detail Level: Includes torque specifications, special tool requirements, diagnostic flowcharts, and detailed exploded views. 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text content Print Quality: Printable pages, high resolution for clarity Binding Type Binding: N/A (Digital PDF) Paper Type Paper Type: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 6-cylinder, Double VANOS Engine Code: M52TU B25 Displacement: 2.5 Liters (2494 cc) Performance Horsepower: 189 hp @ 5900 rpm Torque: 181 lb-ft (245 Nm) @ 3500 rpm Fuel System Fuel Delivery: Sequential Electronic Fuel Injection (SEFI) Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) Cooling System Coolant Type: BMW Blue Antifreeze/Coolant (G48 ethylene glycol based, 50/50 mix with distilled water) Lubrication System Oil Type: Synthetic SAE 5W-30 or 10W-40 (check owner's manual for specific BMW LL-01 or LL-04 approvals) Oil Capacity: Approximately 6.5 liters (6.9 US quarts) 🔧 Transmission Standard Type: 5-speed Manual Transmission (Getrag 420G) Optional Type: 5-speed Steptronic Automatic Transmission Features Transmission Fluid Manual: BMW MTF LT-2 or equivalent manual transmission fluid Transmission Fluid Automatic: ATF LT-2 (Dexron III compatible, check specific BMW approval) Clutch Type: Single dry plate, hydraulic actuation 📐 Dimensions Exterior Wheelbase: 107.4 inches (2728 mm) Length: 177.4 inches (4506 mm) Width: 68.7 inches (1745 mm) Height: 55.7 inches (1415 mm) Weights Curb Weight: Approximately 3571 lbs (1620 kg) 🛡️ Safety Features Ratings NHTSA Front Impact: 5-Star (for 1999 model year as per available historical data) IIHS Side Impact: Good (for similar E46 models) Active Features ABS: Standard Anti-lock Braking System (ABS) Dsc: Standard Dynamic Stability Control (DSC) Passive Features Airbags: Driver and front passenger airbags, optional side airbags. Seatbelts: 3-point inertia-reel seatbelts with front belt tensioners. 💡 Technology Features Infotainment Head Unit: BMW Business CD or Professional CD/RDS radio with optional navigation system. Audio System: Standard 6-speaker system, optional premium Harman Kardon sound system. Driver Assistance Features: ABS, DSC, Cruise Control. Connectivity Features: Optional BMW Assist (telematics service), optional CD changer, optional Bluetooth preparation. 🔧 Maintenance Service Intervals Oil Change: Every 10,000-15,000 miles or 12-24 months, depending on driving conditions and oil type used (follow BMW Condition Based Service (CBS) or manual recommendations). Air Filter Replacement: Every 30,000-50,000 miles or as needed based on...