🏷️ Basic Information Identification Make: BMW Model: 325i Year: 1992 Codes Chassis Code: E36 Engine Code Family: M50 👋 Introduction Market Position Segment: Compact Executive Sedan/Coupe Target Audience: Enthusiasts, DIY mechanics, professional service technicians Competitive Analysis Key Competitors: Mercedes-Benz 190E, Audi 80/90, Acura Legend, Lexus ES250 Key Features Vehicle Focus: Performance-oriented driving dynamics, refined interior, strong build quality Manual Advantage: Officially licensed content ensures accuracy and completeness compared to unofficial guides 📋 Manual Details Coverage Areas Primary Coverage: North America Secondary Coverage: Europe (some regional variations may apply) Page Count Estimated Pages: 1500+ Manual Type Type: Comprehensive Service and Repair Manual Language Language: English Format Format: Software/Digital (likely PDF or proprietary viewer) 📖 Manual Coverage Systems Covered Powertrain: Engine (M50B25), cooling, exhaust, fuel, ignition, lubrication, oil system Drivetrain: Transmission (manual and automatic), clutch, drive shafts, differential, axles Chassis: Suspension (front and rear), steering, brakes (ABS, hydraulic), wheels, tires Electrical: Body electrical, engine management (DME), ignition, lighting, instruments, audio, climate control electronics Body: Body panels, doors, windows, locks, interior trim, seats, convertible top (if applicable) Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacements, inspections Diagnostics: Troubleshooting guides, symptom analysis, fault code interpretation (for DME) Repair: Component removal, installation, adjustment, rebuilding procedures Special Tools: Identification and usage of BMW-specific tools Technical Depth Depth: In-depth mechanical and electrical diagnostics, complete engine and transmission rebuilds, chassis alignment specifications 📊 Manual Specifications File Format File Type: Digital Software (likely searchable PDF or proprietary viewer) Print Quality Printability: Designed for digital viewing; print functionality depends on software Binding Type Binding: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 6-Cylinder, DOHC, 24 Valves Engine Code: M50B25 Displacement: 2494 cc (2.5 Liters) Performance Horsepower: 189 hp @ 5900 rpm Torque: 181 lb-ft @ 4200 rpm Fuel System Fuel Delivery: Bosch Motronic Electronic Fuel Injection (EFI) Fuel Type: Unleaded Premium Gasoline (91 Octane or higher recommended) Technical Details Bore X Stroke: 84 mm x 75 mm Compression Ratio: 10.0:1 Engine Management System: Bosch DME (Digital Motor Electronics) 🔧 Transmission Standard Transmission Type: 5-speed Manual Optional Transmission Type: 4-speed Automatic (e.g., GM 4L30-E or ZF 4HP22) Features Rear Wheel Drive: Standard RWD configuration Transmission Fluid Spec: Manual: BMW MTF LT-2 or equivalent; Automatic: ATF Dexron III or equivalent 📐 Dimensions Exterior Wheelbase: 106.1 inches (2695 mm) Length: 174.5 inches (4432 mm) Width: 67.3 inches (1710 mm) Height: 53.5 inches (1360 mm) Weights Curb Weight: 3197 lbs (1450 kg) for Sedan Gross Vehicle Weight Rating: Approximately 4200 lbs (1905 kg) 🛡️ Safety Features Ratings NHTSA Front Impact: Not specifically rated by NHTSA for this model year; typically performed well for its era. Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Optional ASC (Automatic Stability Control) available on some models Passive Features Airbags: Driver's side airbag standard Seatbelts: Front and rear three-point seatbelts 💡 Technology Features Infotainment Audio System: Factory AM/FM cassette player, optional CD player; speaker configurations varied by trim. Driver Assistance Cruise Control: Standard on most models Climate Control: Manual climate control, optional automatic climate control (IHKA) in later models. Connectivity Telematics: No integrated telematics or smartphone connectivity typical of modern vehicles. 🔧 Maintenance Service Intervals Oil Change Interval: Typically 7,500-10,000 miles or 12-18 months, check oil level frequently. Spark Plug Replacement: Around 60,000 miles (depending on plug type, e.g., Bosch Super Plus or platinum) Coolant Flush: Every 2-3 years or 30,000-50,000 miles Brake Fluid Flush: Every 2 years Fluid Specifications Engine Oil Type: SAE 5W-30 or 5W-40 Synthetic Engine Oil meeting BMW LL-01 or LL-98 specifications (or API SG/SH, ACEA A2/A3) Coolant: BMW Blue Antifreeze/Coolant (ethylene glycol based), typically a 50/50 mix with distilled water Power Steering Fluid: BMW approved power steering fluid or CHF 11S (check specific type for E36) Known Issues Common Issues 1: Cooling system: Plastic expansion tank cracks, water pump failure, thermostat housing leaks. Often addressed with upgraded aluminum parts. Common Issues 2: Subframe mounts: Rear subframe mounting points can fatigue or tear from the chassis. Common Issues 3: Vibration damper (harmonic balancer) failure on M50 engines. Common Issues 4: VANOS (Variable Valve Timing) system: Can develop noise or operational issues due to seal wear. Common Issues 5: Oil pan gasket leaks. 📚 Vehicle History Brand Heritage Bmw Legacy: Renowned for performance, engineering, and driver engagement ('The Ultimate Driving Machine') Model Evolution E36 Introduction: The E36 generation replaced the E30 3 Series and marked a significant step forward in chassis design, aerodynamics, and technology. 325I Significance: The 325i was a popular mid-range model offering a potent 6-cylinder engine and balanced handling. Production Production Period: E36 series produced from 1990 to 2000. 1992 model year is early production of the E36. 🏆 Awards & Recognition Recognitions Car And Driver 10 Best: E36 3-Series was a consistent recipient of Car and Driver's 10Best lists...