🏷️ Basic Information Identification Make: BMW Model: M3 Year: 1993 Codes Chassis Code: E36 Engine Code: S50B30 👋 Introduction Market Position Segment: Performance Compact Executive Coupe/Sedan Reputation: Renowned for its motorsport heritage, agile handling, and powerful inline-6 engine. Competitive Analysis Key Rivals: Audi S2/RS2, Mercedes-Benz 190E 2.3-16/2.5-16 Evolution, Ford Sierra RS Cosworth, Porsche 944. Key Features Engine Type: Naturally aspirated inline-6 with double VANOS (Variable Valve Timing). Transmission: Close-ratio Getrag 6-speed manual transmission. Suspension: M-tuned suspension with stiffer springs, dampers, and anti-roll bars compared to standard E36 models. Brakes: Upgraded M Sport brakes with larger rotors and calipers. Aerodynamics: Unique M Aerodynamic body kit, including front spoiler, side skirts, and rear spoiler. 📋 Manual Details Coverage Areas Documentation Type: Full Service Repair Manual Language: English Format: Digital (likely PDF, based on description) Page Count Estimated Page Count: Substantial (typical for full service manuals, likely 500+ pages) 📖 Manual Coverage Systems Covered Engine: Diagnosis, repair, rebuilding, tuning, performance enhancements of the S50B30 inline-6 engine. Transmission: Repair and maintenance of the Getrag 6-speed manual transmission, clutch assembly, and driveline components. Brakes: Service and repair of the hydraulic brake system, including ABS, rotors, calipers, pads, and fluid bleeding. Suspension Steering: Maintenance and overhaul of front struts, rear multi-link suspension, bushings, ball joints, power steering system, and alignment procedures. Electrical: Comprehensive coverage of the automotive electrical system, including wiring diagrams, component testing, battery, alternator, starter, lighting, and ECU diagnostics. Fuel System: Service and troubleshooting of the fuel injection system, fuel pump, injectors, fuel pressure regulator, and emissions control. Cooling System: Maintenance of the radiator, water pump, thermostat, hoses, and coolant specifications. Exhaust System: Repair and replacement of exhaust manifolds, catalytic converter, mufflers, and pipework. HVAC: Service and repair of the heating, ventilation, and air conditioning system, including refrigerant handling and component replacement. Body Chassis: Body panel repair, structural integrity, door mechanisms, window regulators, and cosmetic refurbishment. Procedures Included Preventative Maintenance: Detailed schedules for oil changes, filter replacements, fluid checks, belt inspections, and spark plug replacement. Troubleshooting: Systematic diagnostic procedures for common and uncommon faults, fault code interpretation, and symptom-based troubleshooting guides. Repair Rebuilding: Step-by-step instructions for component disassembly, repair, reassembly, and calibration for all major vehicle systems. Diagnostics: Guidance on using diagnostic tools (e.g., OBD-I) and interpreting sensor data for engine management and other systems. Performance Tuning: Information relevant to optimizing the performance of the S50 engine, potentially including modifications and tuning advice. Technical Depth Diagnostic Depth: Advanced diagnostic procedures, including resistance, voltage, and current checks for various sensors and actuators. Rebuilding Depth: Comprehensive engine and transmission rebuilding procedures, including torque specifications, clearance measurements, and component tolerances. Electrical Diagrams: Detailed, high-resolution wiring schematics for all electrical systems, crucial for electrical troubleshooting. 📊 Manual Specifications File Format Digital Format: Likely PDF, ensuring searchability and easy navigation. Print Quality Resolution: High resolution, suitable for clear viewing of diagrams and text. Binding Type Physical Format Consideration: If printed, expected professional binding for durability in a workshop environment. Paper Type Physical Format Consideration: If printed, durable paper stock suitable for grease and workshop conditions. ⚙️ Engine Specifications Primary Engine Engine Name: S50B30 Engine Configuration: Inline 6-cylinder, Naturally Aspirated Displacement: 2990 cc (3.0 Liters) Bore X Stroke: 86.0 mm x 85.8 mm Compression Ratio: 10.0:1 Valve Train: DOHC, 4 valves per cylinder, Double VANOS Performance Horsepower: 286 PS (282 hp / 210 kW) at 7000 rpm Torque: 320 Nm (236 lb-ft) at 3600 rpm Fuel System Fuel Delivery: Multi-point fuel injection (Bosch Motronic 3.1) Fuel Type: Premium Unleaded Gasoline (95 RON or higher) Fluid Specifications Engine Oil Type: BMW High Performance Synthetic SAE 5W-30 or 10W-40 Engine Oil Capacity: 6.5 Liters (6.9 US Quarts) with filter Coolant Type: BMW Blue Antifreeze/Coolant (G48 ethylene glycol based) 🔧 Transmission Standard Transmission Type: Getrag 420G 6-speed Manual Optional Automatic Option: No automatic transmission offered for the E36 M3 in most markets (some exceptions like the US did not get the S50B30). Features Clutch Type: Hydraulic dry single plate clutch Fluid Specifications Transmission Fluid Type: BMW MTF-LT-2 / Pentosin MTF 2 (or equivalent GL-4 rated fluid) Transmission Fluid Capacity: 1.3 Liters (1.4 US Quarts) Differential Fluid Type: BMW SAF-XJ (or equivalent 75W-140 synthetic) Differential Fluid Capacity: 1.0 Liters (1.05 US Quarts) 📐 Dimensions Exterior Length: 4433 mm (174.5 in) Width: 1710 mm (67.3 in) Height: 1345 mm (53.0 in) Wheelbase: 2700 mm (106.3 in) Front Track: 1447 mm (57.0 in) Rear Track: 1472 mm (57.9 in) Weights Curb Weight: Approx. 1460 kg (3219 lbs) Gross Vehicle Weight Rating: Approx. 1900 kg (4189 lbs) Wheel Tire Standard Wheels: BMW Style 24 M Sport Wheels (17 x 7.5 front, 17 x 8.5 rear) Standard Tire Size: 235/40 R17 front, 255/35 R17 rear Bolt Pattern: 5 x 120 mm Center Bore: 72.5 mm 🛡️ Safety Features Ratings NHTSA Rating: Not directly rated by NHTSA under modern...