🏷️ Basic Information Identification Make: BMW Model: 325i Year: 1998 Generation Chassis Code: E36 Codes Engine Code: M50B25 (for North America) / M52B25 👋 Introduction Market Position Segment: Compact Executive Sedan/Coupe/Convertible Target Audience: Enthusiasts, DIY mechanics, professional workshops seeking to maintain and repair the E36 325i Competitive Analysis Key Competitors: Mercedes-Benz C-Class (W202), Audi A4 (B5), Lexus ES300, Infiniti G20 Key Features Vehicle Strengths: Excellent driving dynamics, powerful inline-six engine, premium interior, robust build quality Manual Value Proposition: Provides in-depth technical knowledge to maintain the performance and longevity of a classic BMW model. 📋 Manual Details Coverage Areas Regions Covered: Global (with specific notes for North American variants) Trim Levels Covered: All models/trims including standard, sport, and luxury packages Transmission Types Covered: All transmission types (e.g., 5-speed manual, 4-speed automatic) Page Count Estimated Page Count: ~1500-2000 (typical for comprehensive workshop manuals) Manual Type Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, cylinder head, block, pistons, crankshaft, camshafts, timing, lubrication system, cooling system, fuel injection, exhaust system Engine Electrical: Ignition system, starter, alternator, battery, engine management system (DME), sensors, actuators Transmission: Manual transmission (Getrag 260/5) and automatic transmission (ZF 4HP22EH) overhaul, operation, diagnostics, fluid service Drivetrain: Clutch system, driveshaft, differential, axles, wheel bearings Suspension: Front and rear suspension components, struts, shocks, control arms, bushings, alignment specifications Steering: Power steering system, steering rack, tie rods, steering column Brakes: Front and rear brake systems (vented discs front, solid discs rear), ABS system (Bosch ABS II), hydraulic components, parking brake Electrical System: Battery, charging system, lighting, wipers, horn, power windows, power locks, central locking, mirrors, instrument cluster, diagnostic connectors (OBD-I) HVAC: Heating, ventilation, and air conditioning (HVAC) system, refrigerant, compressor, blower motor, climate control unit Body And Chassis: Body panel removal and installation, interior trim, doors, hood, trunk, bumpers, chassis components, corrosion protection Safety Systems: Airbag system (SRS), seat belt pre-tensioners Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspections Scheduled Maintenance: Major service intervals, brake fluid flush, coolant replacement, transmission fluid service Troubleshooting: Diagnostic fault codes (DTCs) for engine and ABS, symptom-based troubleshooting guides Repair Procedures: Component removal, installation, and adjustment for all major systems Overhaul Procedures: Engine rebuild, transmission overhaul, differential rebuild Electrical Diagnostics: Wiring diagrams, circuit testing, component testing, connector pinouts Body Repair: Panel alignment, dent repair, rust treatment, sealant application Technical Depth Depth: Comprehensive (covers everything from basic fluid changes to full engine and transmission rebuilds, including advanced diagnostics and wiring) 📊 Manual Specifications File Format Format: PDF Print Quality Quality: High-resolution, clear text and diagrams for easy readability and printing Binding Type Binding: N/A (Digital PDF format) Paper Type Paper Type: N/A (Digital PDF format) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 6-cylinder, DOHC, 24-valve Engine Code Variant: M50B25 (NA) / M52B25 (EU/Other) Displacement: 2.5 Liters (2494 cc) Performance Horsepower: 189 hp @ 5900 rpm (M50B25); 170 hp @ 5500 rpm (M52B25) Torque: 181 lb-ft @ 4200 rpm (M50B25); 177 lb-ft @ 3900 rpm (M52B25) Fuel System Fuel Delivery: Multi-point Fuel Injection (Bosch Motronic M3.3 or M5.2) Fuel Type: Unleaded Premium Gasoline (91 Octane minimum recommended) Engine Internals Bore X Stroke: 84 mm x 75 mm Compression Ratio: 10.0:1 (M50B25); 10.2:1 (M52B25) Cooling System Coolant Type: BMW Blue Antifreeze (G48 ethylene glycol based) or equivalent Lubrication System Oil Type: SAE 5W-30 or 5W-40 Synthetic (meeting BMW Longlife-98 or LL-01 specification) Oil Capacity: 6.5 Liters (6.9 US Quarts) 🔧 Transmission Standard Type: 5-speed Manual (Getrag 260/5) Optional Type: 4-speed Automatic (ZF 4HP22EH) Features Manual Fluid: API GL-4 SAE 75W-90 or SAE 75W-85 Synthetic Gear Oil Automatic Fluid: Dexron III or Dexron VI ATF (BMW recommends Shell LT 71141 for extended service life) 📐 Dimensions Exterior Length: 4434 mm (174.6 inches) Width: 1711 mm (67.4 inches) Height: 1393 mm (54.8 inches) - Sedan Wheelbase: 2700 mm (106.3 inches) Weights Curb Weight: ~1480 kg (3260 lbs) - Sedan Manual Gross Vehicle Weight Rating: ~1900 kg (4189 lbs) 🛡️ Safety Features Ratings NHTSA Front Impact: 4 Stars (1997-1999 models) Active Features ABS: Standard Bosch ABS II (Anti-lock Braking System) Traction Control: Optional ASC+T (Automatic Stability Control and Traction) Passive Features Airbags: Driver and Passenger front airbags (SRS - Supplemental Restraint System) Seatbelts: Front 3-point inertia reel seatbelts with pretensioners, rear 3-point seatbelts 💡 Technology Features Infotainment Audio System: Standard AM/FM stereo with cassette player, optional CD player, various speaker configurations (e.g., HiFi audio) Climate Control: Manual or optional Automatic Climate Control (ACC) with digital display Driver Assistance Cruise Control: Standard on most models Connectivity Diagnostic Port: OBD-I (On-Board Diagnostics - 16-pin connector, often requiring specific BMW adapter for full diagnostics) 🔧 Maintenance Service Intervals Oil Change: Every 7,500-10,000 miles (12,000-16,000 km) or annually, whichever comes first, using synthetic oil. 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