🏷️ Basic Information Identification Make: BMW Model: 325i Year: 1987 Chassis Code: E30 Body Styles Covered: 2-door Sedan (Saloon), 4-door Sedan (Saloon) 👋 Introduction Market Position Market Position: The BMW 3 Series (E30) was a highly successful model that solidified BMW's reputation for sporty handling and luxury compact sedans, competing against rivals like the Mercedes-Benz 190E and Audi 80/90. Competitive Analysis Key Competitors 1987: Mercedes-Benz 190E, Audi 80/90, Alfa Romeo 75, Volvo 240. Key Features Vehicle Driving Dynamics: Renowned for its balanced chassis, rear-wheel-drive dynamics, and engaging driving experience. Build Quality: Typical BMW build quality, known for durability and longevity when properly maintained. Key Features Manual Utility For Owners: Essential for owners seeking to perform maintenance, diagnose issues, and understand the technical intricacies of their E30 325i. Utility For Professionals: Provides the same level of detail and accuracy that professional mechanics rely on for servicing and repairing these vehicles. 📋 Manual Details Coverage Areas Coverage Type: Comprehensive Service, Repair, and Workshop Page Count Estimated Page Count: 600+ Manual Type Manual Type: Workshop Manual / Service Manual / Repair Manual Language Language: English Format Format: Print 📖 Manual Coverage Systems Covered Engine Mechanical: Full disassembly, inspection, and reassembly of engine components, including cylinder head, pistons, connecting rods, crankshaft, camshafts, timing belt/chain, valve train. Engine Management: Bosch Motronic engine management system, fuel injection, ignition system, sensors (e.g., crankshaft position, camshaft position, airflow meter, throttle position), actuators, ECU diagnosis. Fuel System: Fuel pump, fuel filter, fuel lines, fuel injectors, fuel pressure regulator, fuel tank. Cooling System: Radiator, coolant hoses, water pump, thermostat, expansion tank, cooling fan, heater core. Exhaust System: Exhaust manifolds, catalytic converter, mufflers, exhaust pipes, oxygen sensor (lambda sensor). Transmission Manual: Getrag 260 5-speed manual transmission: disassembly, inspection, repair, clutch operation, gear shift mechanism. Transmission Automatic: ZF 4HP22 4-speed automatic transmission: operation, maintenance, troubleshooting, fluid changes, torque converter. Drivetrain: Driveshaft, universal joints, differential, half-shafts, wheel bearings. Suspension Front: MacPherson struts, control arms, ball joints, anti-roll bar, bushings, springs, shock absorbers. Suspension Rear: Semi-trailing arms, shock absorbers, springs, bushings, anti-roll bar. Steering System: Power steering rack and pinion, power steering pump, hydraulic lines, steering column, steering wheel. Brakes Front: Vented disc brakes, calipers, brake pads, brake rotors, brake lines. Brakes Rear: Solid disc brakes, calipers, brake pads, brake rotors, brake lines. Brake Control: Brake booster, master cylinder, parking brake, ABS (Anti-lock Braking System) if equipped. Electrical System: Battery, alternator, starter motor, wiring diagrams, fuses, relays, lighting system (headlights, taillights, turn signals), dashboard warning lights. Body Electrical: Wipers, washers, horn, power windows, central locking system, mirrors, interior lighting. Bodywork And Chassis: Body panel removal and installation, door mechanisms, hood, trunk lid, bumpers, glass replacement, structural repair guidelines. Heating Ventilation And Air Conditioning: HVAC system operation, blower motor, evaporator, condenser, refrigerant system, dashboard controls. Procedures Included Routine Maintenance: Oil changes, filter replacements (oil, air, fuel), spark plug replacement, coolant flush, brake fluid flush, battery testing. Troubleshooting: Diagnostic procedures for common problems, symptom-based troubleshooting charts. Engine Repair: Cylinder head gasket replacement, piston ring replacement, bearing replacement, valve adjustment, timing belt/chain service. Transmission Repair: Clutch replacement, manual transmission rebuild, automatic transmission service and repair. Brake Repair: Brake pad and rotor replacement, caliper overhaul, brake line replacement, master cylinder replacement, ABS bleeding procedures. Suspension And Steering Repair: Ball joint replacement, control arm bushing replacement, shock absorber replacement, power steering pump replacement, tie rod end replacement. Electrical Diagnostics: Wiring harness repair, component testing, sensor diagnostics, starter and alternator testing. Body And Interior Repair: Door panel removal, window regulator repair, lock mechanism repair, weatherstripping replacement. Technical Depth Depth: Detailed step-by-step instructions with torque specifications, clearances, and diagnostic parameters. Diagnostic Charts: Extensive diagnostic charts for troubleshooting electrical and mechanical issues. Wiring Diagrams: Comprehensive and detailed electrical wiring diagrams for all systems. Special Tools: Identification and usage of specific BMW special tools required for certain procedures. 📊 Manual Specifications File Format File Format Details: Printed manual, typically bound for durability in a workshop environment. Print Quality Print Quality Description: Professionally printed with clear text and diagrams. May include photographic illustrations. Binding Type Binding Type: Likely perfect bound or spiral bound for ease of use and lay-flat functionality. Paper Type Paper Type Description: Durable, often coated paper to withstand workshop conditions. ⚙️ Engine Specifications Primary Engine Engine Code: M20B25 Engine Configuration: Inline 6-cylinder, SOHC (Single Overhead Camshaft) Displacement: 2.5 Liters (2494 cc) Performance Horsepower: 168 hp @ 5800 rpm Torque: 164 lb-ft @ 4300 rpm Fuel System Fuel Delivery: Bosch LE-Jetronic or Motronic fuel injection Fuel Type: Premium Unleaded Gasoline (91+ octane recommended) Ignition System Ignition Type: Distributor-based electronic ignition (Motronic) Cooling System Cooling Type: Liquid-cooled 🔧 Transmission Standard Standard Transmission: Getrag 260 5-speed Manual Optional Optional Transmission: ZF 4HP22 4-speed Automatic Features Clutch Type: Single dry plate, hydraulic actuation Rear Axle Ratio: Typically 3.73:1 for manual, 3.25:1 or 3.46:1 for automatic...