🏷️ Basic Information Identification Make: BMW Model: 3 Series Model Generation: E30 Model Year Covered: 1987 Codes Chassis Code: E30 👋 Introduction Market Position E30 Market Niche: Compact executive sports sedan, known for its balance of performance, handling, and build quality Competitive Analysis Key Competitors 1987: Mercedes-Benz 190E, Audi 80/90, Alfa Romeo 75, Volvo 240 Key Features E30 Driving Dynamics: Renowned for its sharp handling, rear-wheel drive platform, and driver-focused cockpit Design Era: Marked a shift in BMW's design language, more angular and modern than previous generations Performance Variants: Introduction of iconic M3 model, and powerful inline-six engines in later years 📋 Manual Details Coverage Areas Engine Coverage: All gasoline engines for 1987 E30 models Transmission Coverage: Manual and automatic transmissions Chassis Coverage: Suspension, steering, brakes, exhaust, body structure Electrical Coverage: Wiring diagrams, lighting, ignition, starting, charging, accessories Body Coverage: Interior trim, exterior trim, doors, windows, seats Page Count Estimated Page Count: Varies by specific publication, typically 800-1500 pages Manual Type Manual Classification: Service Repair Workshop Manual Language Primary Language: English Format Digital Format: PDF Print Format: Printable 📖 Manual Coverage Systems Covered Engine Management: Fuel injection (Bosch L-Jetronic/Motronic), ignition timing, emission controls Cooling System: Radiator, water pump, thermostat, coolant flow, fan operation Lubrication System: Oil pump, oil filter, oil passages, oil pressure testing Fuel System: Fuel pump, fuel injectors, fuel pressure regulator, fuel filter, fuel tank Braking System: Hydraulic system, ABS (if equipped), disc/drum specifications, pad/rotor replacement, bleeding procedures Suspension System: Front MacPherson struts, rear semi-trailing arms, shock absorbers, springs, bushings, alignment specifications Steering System: Rack and pinion, power steering pump, fluid replacement, tie rod ends HVAC System: Heating, ventilation, air conditioning components, refrigerant servicing (where applicable to the year) Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug replacement, fluid checks, belt inspections Troubleshooting Diagnostics: Common faults, symptom-based diagnostics, electrical troubleshooting charts Engine Overhaul: Engine disassembly, component inspection, reassembly, torque specifications Transmission Repair: Clutch replacement, gearbox disassembly/reassembly, automatic transmission service Brake System Repair: Caliber rebuild, master cylinder replacement, brake line repair Electrical Component Replacement: Alternator, starter, battery, sensors, actuators Bodywork Repair: Panel replacement, door hinge adjustment, glass replacement Technical Depth Depth Of Information: Comprehensive, covering basic maintenance to full engine and transmission rebuilds Diagnostic Level: Advanced, including diagnostic trouble codes (where applicable) and sensor data interpretation Repair Scope: Full vehicle repair, component-level diagnostics and replacement 📊 Manual Specifications File Format Digital File Type: PDF Searchability: Text-searchable for quick information retrieval Print Quality Illustration Quality: High-resolution diagrams and illustrations Binding Type Physical Format Binding: Not applicable for PDF, but for physical copies, often spiral-bound or perfect-bound for durability Paper Type Physical Format Paper: Not applicable for PDF, but for physical copies, typically high-quality, durable paper ⚙️ Engine Specifications Primary Engine Engine Codes 1987: M10 (4-cylinder), M20 (6-cylinder) Engine M10 Displacement: 1.8L (1766cc) Engine M10 Variants: 318i Engine M20B25 Displacement: 2.5L (2494cc) Engine M20B25 Variants: 325i, 325e (2.7L - Eta variant) Performance Engine M10 Horsepower: ~100-105 hp Engine M10 Torque: ~101-105 lb-ft Engine M20B25 Horsepower: ~168-170 hp Engine M20B25 Torque: ~164-167 lb-ft Fuel System Fuel Injection Type: Bosch L-Jetronic (M10), Bosch Motronic (M20) Recommended Fuel: Unleaded gasoline, Octane rating typically 91 RON (95 ROZ) 🔧 Transmission Standard Transmission Type Base: Getrag 260 5-speed manual Optional Transmission Type Optional: ZF 4HP22 4-speed automatic Features Clutch Type: Single dry plate, hydraulic actuation Differential: Open differential standard; limited-slip differential (LSD) optional Manual Transmission Fluid: BMW recommends specific manual transmission fluids, e.g., SAF-XJ 75W-140 or equivalent GL-4/GL-5 📐 Dimensions Exterior Wheelbase: 2570 mm (101.2 in) Length: Approx. 4355-4415 mm (171.5-173.8 in) depending on body style (sedan, coupe, convertible) Width: Approx. 1675-1700 mm (65.9-66.9 in) Height: Approx. 1370-1380 mm (53.9-54.3 in) Weights Curb Weight: Approx. 1150-1300 kg (2535-2866 lbs) depending on model and equipment Gross Vehicle Weight Rating: Varies by model, typically around 1700-1850 kg 🛡️ Safety Features Ratings Crash Test Results Era: E30 predates modern rigorous crash testing standards like Euro NCAP; documented safety features reflect 1980s standards. Active Features ABS: Anti-lock Braking System available as an option on most models Limited Slip Differential: Optional LSD can improve traction and stability during acceleration Passive Features Seatbelts: Three-point inertia-reel seatbelts in front and rear Body Structure: Reinforced passenger cell, energy-absorbing crumple zones Steering Column: Collapsible steering column for occupant safety 💡 Technology Features Infotainment Audio System: Factory options included AM/FM radio, cassette player, and upgraded speaker systems from brands like Blaupunkt or Bavaria C Climate Control: Manual climate control standard; optional automatic climate control (ECC - Electronic Climate Control) on higher trims Driver Assistance Cruise Control: Optional feature on many models Onboard Computer: Optional 'Check Control' system for monitoring fluid levels, lights, and basic system status Connectivity Original Connectivity: N/A (pre-modern connectivity era); Analog systems 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000-7,500 miles (8,000-12,000 km) or 12 months, depending on driving...