🏷️ Basic Information Identification Make: BMW Model: 3 Series Year: 1987 Chassis Code: E30 👋 Introduction Market Position Market Segment: Compact executive sports sedan, renowned for driving dynamics and build quality Competitive Analysis Competitors: Mercedes-Benz 190E, Audi 80/90, Alfa Romeo 75, Volvo 240 Key Features Driving Dynamics: Legendary handling, balanced chassis, rear-wheel drive architecture Build Quality: Exceptional German engineering and robust construction Heritage: Continuation of BMW's performance-oriented lineage 📋 Manual Details Coverage Areas Manual Type: Full Service Repair Manual Language: English Format: Physical Book (assumed based on description) Page Count Page Count: Not specified (stated as 'very detailed') 📖 Manual Coverage Systems Covered Engine Mechanical: Complete disassembly, inspection, repair, and reassembly of all engine components Engine Management: Fuel injection (Bosch Motronic), ignition systems, emissions control systems Transmission: Manual and automatic transmission overhaul, clutch service, driveline components Chassis And Suspension: Front and rear suspension, steering system, wheel bearings, chassis lubrication Brakes: Disc brake systems (front and rear), ABS (if equipped), parking brake, hydraulic system Electrical System: Wiring diagrams, starter, alternator, battery, lighting, instrumentation, power windows/locks Body And Interior: Body panel repair, interior trim removal and installation, HVAC system Troubleshooting: Diagnostic charts, symptom-to-cause analysis for common issues Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks, spark plug replacement Component Rebuild: Engine, transmission, differential, brake calipers, starter, alternator Diagnostics: Step-by-step diagnostic procedures for electrical and mechanical issues Adjustments: Valve adjustments, timing adjustments, idle speed adjustments Specifications: Torque specifications for all fasteners, clearances, fluid capacities Technical Depth Depth: Comprehensive, covering everything from basic maintenance to complete engine and transmission rebuilds Target Audience: DIY mechanics, professional technicians, restorers 📊 Manual Specifications File Format File Type: Physical Print (Assumed) Print Quality Print Quality: High-quality printing with clear diagrams and text (assumed for a 'full service' manual) Binding Type Binding: Sturdy binding suitable for workshop use (assumed) Paper Type Paper Quality: Durable paper stock to withstand workshop conditions (assumed) ⚙️ Engine Specifications Primary Engine Engine Code Example: M20 (e.g., 2.5L inline-six) Engine Configuration: Inline-four and inline-six cylinder, naturally aspirated Displacement Common: 2.3L (2300 cc), 2.5L (2500 cc), 2.7L (2700 cc) Performance Horsepower Range: Approximately 125 hp (2.3L) to 170 hp (2.5L) Torque Range: Approximately 130 lb-ft to 165 lb-ft Fuel System Fuel Delivery: Bosch Motronic electronic fuel injection (EFI) Fuel Type: Unleaded gasoline (premium recommended) 🔧 Transmission Standard Standard Transmission: Getrag 260 5-speed manual transmission Optional Optional Transmission: ZF 4HP22 4-speed automatic transmission Features Clutch Type: Hydraulically actuated single-plate dry clutch Differential: Limited-slip differential (LSD) optional on certain models 📐 Dimensions Exterior Wheelbase E30: Approx. 104.3 inches (2649 mm) Length E30 Sedan: Approx. 170.5 inches (4330 mm) Width E30: Approx. 65.7 inches (1670 mm) Height E30: Approx. 55.1 inches (1400 mm) Weights Curb Weight Range: Approx. 2700 - 3000 lbs (1225 - 1360 kg), depending on engine and options Gross Vehicle Weight Rating: Typically around 3700 lbs (1678 kg) 🛡️ Safety Features Ratings NHTSA Front Impact: Not rated by modern NHTSA standards, but generally considered safe for its era Active Features ABS: Anti-lock Braking System (ABS) available as an option, particularly on higher-trim models Traction Control: Not typically available on 1987 models Passive Features Seatbelts: Three-point front seatbelts, two-point rear seatbelts Crumple Zones: Designed with front and rear crumple zones for energy absorption 💡 Technology Features Infotainment Audio System: Basic AM/FM radio, cassette player, optional premium sound systems with amplifiers Driver Assistance Cruise Control: Optional on many models 🔧 Maintenance Service Intervals Oil Change Interval: Recommended every 5,000-7,500 miles (8,000-12,000 km) or annually, whichever comes first Coolant Flush: Every 2 years or 30,000 miles (48,000 km) Timing Belt: The M20 engine uses a timing belt, typically recommended for replacement every 60,000 miles (96,000 km) or 5 years Fluid Specifications Engine Oil Type: API SF or SG rated, SAE 15W-40 or 20W-50 depending on climate. Consult manual for exact viscosity. Coolant Type: Ethylene glycol based coolant (50/50 mix with distilled water). BMW blue coolant or equivalent. Brake Fluid Type: DOT 3 or DOT 4 brake fluid Transmission Fluid Manual: GL-4 gear oil, SAE 75W-90 or 80W-90 Transmission Fluid Automatic: Dexron III ATF (or equivalent) Known Issues Cooling System: Cracked plastic coolant expansion tanks, failing water pumps, hose degradation Fuel System: Clogged fuel injectors, failing fuel pumps, diaphragm tears in the fuel distributor (early models) Electrical: Corroded ground points, failing alternator voltage regulators, faulty dashboard warning lights Suspension: Worn control arm bushings, cracked sway bar links, sagging rear springs Rust: Common areas for rust include wheel arches, rocker panels, jacking points, and rear shock towers 📚 Vehicle History Brand Heritage Bmw Legacy: BMW's long history of producing driver-focused vehicles with sporty characteristics Model Evolution E30 Introduction: Introduced globally in late 1982 (as a 1983 model), the E30 represented the second generation of the 3 Series E30 Lifespan: Produced from 1982 to 1991 (in most markets) E30 Body...