🏷️ Basic Information Identification Make: BMW Model: M3 Generation: E30 Model Year: 1987 Codes Chassis Code: E30 Engine Code Variant: S14B23 👋 Introduction Market Position Market Niche: Iconic homologation special, celebrated for its motorsport pedigree and driving dynamics, highly sought after by enthusiasts. Competitive Analysis Competitors Era: Ford Sierra RS Cosworth, Mercedes-Benz 190E 2.3-16/2.5-16 Evolution, Alfa Romeo 75 Veloce. Key Features Vehicle Motorsport Homologation: Developed to homologate BMW for Group A touring car racing, featuring significant chassis and engine upgrades over standard E30 models. Driving Dynamics: Renowned for its balanced chassis, precise steering, powerful engine, and track-focused suspension setup. Key Features Manual Value Proposition: Provides essential, accurate, and comprehensive factory-level repair and maintenance information for owners and independent workshops to maintain the E30 M3's performance and longevity. 📋 Manual Details Coverage Areas Primary Coverage: Full Factory Service & Repair Specific Models Covered: BMW E30 M3 (1987 model year) Page Count Estimated Pages: Hundreds (exact count not specified, but described as 'complete' and 'hundreds of pages') Manual Type Type: Factory Service Repair Manual Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Engine: Detailed diagnostics, repair, overhaul, and specifications for the S14B23 engine, including fuel injection, ignition, cooling, lubrication, and exhaust systems. Transmission: Repair and maintenance for the Getrag 265 5-speed manual transmission, clutch system, and driveshaft components. Suspension: Front and rear suspension systems, including struts, shock absorbers, control arms, anti-roll bars, bushings, and wheel bearings. Brakes: Front and rear brake systems (typically vented discs on M3), including calipers, rotors, brake pads, master cylinder, ABS (if equipped), and hydraulic lines. Electrical: Comprehensive wiring diagrams, component testing, troubleshooting for ignition, starting, charging, lighting, gauges, and EML (Engine Management Light) systems. Bodywork: Body panel removal and installation, alignment, collision repair guidelines, and specifications for M3-specific aerodynamic components (front air dam, rear spoiler). Chassis And Frame: Frame inspection, structural repair, and chassis component torque specifications. Steering: Power steering system maintenance, repair, and troubleshooting, including steering rack and linkages. Cooling System: Radiator, fan, water pump, thermostat, hoses, and coolant specifications and procedures. Fuel System: Bosch L-Jetronic fuel injection system, fuel pump, injectors, fuel pressure regulator, and fuel tank servicing. Exhaust System: Exhaust manifold, catalytic converter (if applicable), muffler, and pipe replacement and repair. HVAC: Heating, ventilation, and air conditioning system maintenance and repair. Procedures Included Maintenance: Scheduled maintenance tasks, fluid changes, filter replacements, spark plug replacement, belt adjustments, and general inspections. Diagnostics Troubleshooting: Systematic diagnostic procedures, common fault identification, and repair guidance for various issues. Repair Overhaul: Detailed step-by-step instructions for component removal, disassembly, cleaning, inspection, repair, reassembly, and installation. Technical Data Specs: Torque specifications, clearances, measurements, electrical values, and diagnostic data for all major components. Adjustment Calibration: Procedures for adjusting ignition timing, idle speed, valve clearances, and other critical settings. Wiring Diagrams: High-quality, comprehensive electrical schematic diagrams for all vehicle systems. Technical Depth Depth: Comprehensive, covering everything from basic maintenance to full engine and transmission rebuilds, including advanced diagnostics. 📊 Manual Specifications File Format Format: PDF (Portable Document Format) Searchability: Likely searchable text content for easy information retrieval. Print Quality Printability: High-resolution, suitable for printing individual pages or the entire manual. Binding Type Binding Recommendation: Digital PDF allows for on-demand printing and binding (e.g., comb, spiral, or binder) based on user preference. Paper Type Paper Recommendation: Standard office paper for printing, or higher quality paper for archival purposes. ⚙️ Engine Specifications Primary Engine Engine Name: S14B23 Configuration: Inline 4-cylinder, DOHC, 16-valve Displacement: 2302 cc Bore X Stroke: 91 mm x 84 mm Compression Ratio: 10.5:1 Performance Horsepower: 192 hp @ 6,900 rpm (approx.) Torque: 170 lb-ft @ 4,750 rpm (approx.) Fuel System Injection System: Bosch L-Jetronic fuel injection Fuel Type: Premium Unleaded Gasoline (91+ octane) Engine Management Ignition System: Distributorless ignition with individual coil packs (early models) or single coil with distributor (later models), depending on region/specifics. Manual will detail correct system. Engine Control Unit: BMW Engine Management System (often referred to by its EML designation for fault codes) 🔧 Transmission Standard Transmission Type: Getrag 265 5-speed manual Gear Ratios: Specific ratios detailed in the manual; often featured a dog-leg first gear for racing bias. Features Clutch Type: Single dry plate, hydraulic actuation Fluid Specifications Transmission Fluid Type: Refer to manual for specific BMW fluid P/N or API GL-4/GL-5 rated gear oil (e.g., Castrol TAF-X or equivalent). 📐 Dimensions Exterior Length: Approx. 4340 mm (170.9 in) Width: Approx. 1700 mm (66.9 in) Height: Approx. 1370 mm (53.9 in) Wheelbase: Approx. 2565 mm (100.9 in) Wheel Bolt Pattern: 5 x 120 mm Weights Curb Weight: Approx. 1200 kg (2645 lbs) 🛡️ Safety Features Ratings Crash Test Results: No official NHTSA/Euro NCAP ratings specific to the 1987 M3, but the E30 chassis generally performed well for its era, emphasizing a strong safety cage. Active Features ABS: Anti-lock Braking System (ABS) was optional or...