🏷️ Basic Information Identification Make: BMW Model: 325i Model Variant: 325 Year: 1993 Codes Chassis Code: E36 👋 Introduction Market Position Segment: Compact Executive Sedan/Coupe (E36 generation). Target Audience: Enthusiasts, independent mechanics, BMW owners seeking to maintain or repair their vehicles. Competitive Analysis Competitors: Mercedes-Benz C-Class (W202), Audi 80/90 (B4), Lexus ES (V20). Key Features Driving Dynamics: Renowned for its balanced chassis, rear-wheel drive, and engaging driving experience. Engine Smoothness: The M50 inline-six engine is highly regarded for its refinement and power delivery. Build Quality: Typical BMW build quality, designed for longevity and performance. 📋 Manual Details Coverage Areas Engine Coverage: M50B25 (2.5L Inline-6) Transmission Coverage: Getrag 260/5 (5-Speed Manual), ZF 4HP22 (4-Speed Automatic) Chassis Coverage: All aspects of E36 chassis, suspension, steering, brakes, body, and interior. Electrical Coverage: Full electrical schematics, components, diagnostics, and wiring diagrams. Page Count Estimated Page Count: 1500+ Manual Type Type: Service and Repair Workshop Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine assembly, disassembly, internal components, cylinder head, block, crankshaft, pistons, camshafts, timing systems. Engine Management: Fuel injection (Bosch Motronic 3.3), ignition system, sensors, actuators, ECU diagnostics, emissions control. Cooling System: Radiator, water pump, thermostat, coolant hoses, fan assembly, climate control integration. Exhaust System: Exhaust manifolds, catalytic converter, mufflers, oxygen sensors. Fuel System: Fuel tank, fuel pump, fuel filter, fuel lines, injectors, pressure regulator. Drivetrain: Clutch, transmission (manual/automatic), driveshafts, differential, axle shafts. Suspension: Front struts, rear shock absorbers, control arms, bushings, springs, sway bars. Steering: Power steering pump, steering rack, tie rods, steering column. Brakes: Front ventilated discs, rear solid discs, ABS system (Bosch ABS II), brake lines, calipers, master cylinder. Body And Frame: Body panel removal and installation, structural components, rust repair, door mechanisms, hinges. Interior: Seating systems, dashboard, trim panels, HVAC controls, interior lighting. HVAC: Air conditioning system, heater core, blower motor, controls, refrigerant service. Electrical System: Battery, alternator, starter motor, lighting (headlights, taillights, interior), horn, wipers, power windows, central locking. Instrumentation And Controls: Instrument cluster, switches, gauges, warning lights, cruise control. Safety Systems: Seat belts, airbags (driver/passenger, if equipped for the specific E36 variant), ABS diagnostics. Procedures Included Routine Maintenance: Oil changes, filter replacements (oil, air, fuel), spark plug replacement, fluid checks and top-offs. Troubleshooting Diagnostics: Step-by-step diagnostic procedures for engine performance, electrical faults, drivability issues using symptoms. Engine Repair: Complete engine rebuild procedures, valve adjustments, head gasket replacement, timing belt/chain (on applicable BMW engines, although M50 has a chain), component replacement. Transmission Service Repair: Transmission fluid and filter changes, clutch replacement, transmission removal and installation, internal component repair. Brake Service: Brake pad and rotor replacement, caliper service, brake fluid bleeding, ABS system bleeding, parking brake adjustment. Suspension And Steering Repair: Replacement of ball joints, tie rod ends, control arm bushings, struts, shock absorbers, power steering system repairs. Electrical Diagnostics And Repair: Wiring harness repair, component testing, fuse and relay diagnostics, module replacement. HVAC System Service: Refrigerant recharge, leak detection, component replacement (compressor, condenser, evaporator), heater core replacement. Body And Trim Repair: Door panel removal, window regulator repair, mirror replacement, bumper repair, panel alignment. Torque Specifications: Detailed torque values for all critical fasteners throughout the vehicle. Tightening Sequences: Correct sequences for tightening cylinder heads, intake manifolds, etc. Special Tools: Identification and use of BMW specific tools required for certain procedures. Technical Depth Depth: Comprehensive, from basic maintenance to complete engine and transmission overhauls, including detailed electrical schematics and diagnostic flowcharts. 📊 Manual Specifications File Format Type: Searchable PDF Readability: High-resolution scans of original factory documentation. Print Quality Quality: Excellent, designed for clear printing and readability. Binding Type Physical Format Consideration: N/A (Digital Format) Paper Type Physical Format Consideration: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Code: M50B25 Type: Naturally Aspirated Inline-6 (I6) Displacement: 2494 cc (2.5 Liters) Bore X Stroke: 84.0 mm x 90.0 mm Compression Ratio: 10.0:1 Valvetrain: DOHC, 4 valves per cylinder, Double VANOS (Variable Valve Timing) introduced mid-production for M50TU, but typically not on early 1993 M50B25. Original M50 has single VANOS on intake cam only. Performance Horsepower: 189 hp @ 6000 rpm (approx.) Torque: 181 lb-ft @ 4200 rpm (approx.) Fuel System Injection Type: Bosch Motronic M3.3 Electronic Fuel Injection Fuel Type: Premium Unleaded (91 Octane or higher recommended) Ignition System Type: Distributorless Electronic Ignition (DIS) with individual ignition coils. Cooling System Capacity: Approx. 8.5 Liters (with heater) Coolant Type: BMW Blue Antifreeze (G48) or equivalent ethylene glycol based coolant with corrosion inhibitors. Oil System Oil Capacity: Approx. 6.5 Liters (with filter) Recommended Oil Viscosity: SAE 5W-30 or 5W-40 Synthetic Recommended Oil Spec: API SJ or higher, ACEA A3/B3 or higher 🔧 Transmission Standard Type: Getrag 260/5 5-Speed Manual Optional Type: ZF 4HP22 4-Speed Automatic Features Manual Gear Ratios: Refer to manual for specific ratios, typically around 3.72:1 for 1st gear. Automatic Features: Lock-up torque converter, electronically controlled...