🏷️ Basic Information Identification Make: BMW Model: M3 Year: 1994 Codes Chassis Code: E36 M3 Engine Code Usdm: S50B30US Engine Code Eudm: S50B30 👋 Introduction Market Position Segment: Performance Compact Executive Sedan/Coupe Era: Iconic 1990s performance car Competitive Analysis Competitors: Mercedes-Benz 190E 2.3-16/2.5-16 Evolution, Audi S4 (B5), Porsche 944 S2/968, Ford Mustang Cobra (SN95) Key Features Performance Focus: Designed for driving enthusiasts, emphasizing handling, acceleration, and driver feedback. Engine Technology: High-revving inline-six engine with individual throttle bodies (ITBs) in European spec, advanced engine management. Chassis Dynamics: Renowned for its balanced chassis, independent suspension, and precise steering. 📋 Manual Details Coverage Areas Primary Coverage: BMW M3 (E36) 1994 Model Year (US and European specifications where applicable) Page Count Estimated Pages: ~1000+ Manual Type Type: Full Service and Repair Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, engine electrical, fuel system, cooling system, lubrication system, exhaust system, engine management (DME), transmission (manual and automatic), clutch, driveline (driveshafts, differential) Chassis: Suspension (front and rear), steering system, brakes (hydraulic, ABS), wheels and tires Electrical: Body electrical systems, lighting, instrumentation, power accessories, HVAC system, audio system, wiring diagrams Body: Body construction, exterior panels, interior trim, doors, windows, bumpers Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, spark plug service, fluid checks and top-offs, belt inspections and replacement Diagnostics: Troubleshooting guides, fault code interpretation (OBD-I for specific systems), diagnostic procedures for all major systems Repair: Engine overhaul, transmission rebuild, brake system repair, suspension component replacement, electrical system repairs, body panel repair and replacement Rebuild Refurbish: Detailed instructions for complete engine rebuilds, transmission overhauls, and component refurbishment Technical Depth Depth: Comprehensive; covers basic maintenance to complete mechanical and electrical system overhauls and diagnostics. Includes torque specifications, component clearances, and detailed repair sequences. 📊 Manual Specifications File Format Searchability: Searchable PDF text Quality: High-resolution scans with clear diagrams and text Print Quality Printability: Printable pages for easy workshop use Binding Type Binding: N/A (Digital Format) Paper Type Paper: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Inline 6-Cylinder Displacement Usdm: 3.0 Liters (2990 cc) Displacement Eudm: 2.5 Liters (2467 cc - early EUDM), 3.0 Liters (2990 cc - late EUDM) Valvetrain: DOHC, 4 Valves per Cylinder (24 Total) Performance Horsepower Usdm: 240 hp @ 6000 rpm Torque Usdm: 225 lb-ft @ 4500 rpm Horsepower Eudm 3.0: 286 hp @ 7000 rpm Torque Eudm 3.0: 236 lb-ft @ 3600 rpm Fuel System Induction: Electronic Fuel Injection (EFI), Individual Throttle Bodies (ITBs) on EUDM S50B30 Fuel Type: Premium Unleaded Gasoline (91+ Octane) Engine Management ECU: Bosch Motronic M3.3 (USDM), M3.3.1 (EUDM) 🔧 Transmission Standard Type Usdm: 5-Speed Manual (Getrag 265/5) Optional Type Usdm: 4-Speed Automatic (optional on some early E36 models, not typical for M3) Type Eudm: 5-Speed Manual (Getrag 265/5) Features Clutch: Hydraulically actuated single-plate dry clutch Differential: Limited-Slip Differential (LSD) with 25% lock-up 📐 Dimensions Exterior Length: ~174.5 inches (4432 mm) Width: ~69.1 inches (1755 mm) Height: ~53.5 inches (1359 mm) Wheelbase: ~106.3 inches (2700 mm) Weights Curb Weight: ~3200-3400 lbs (1450-1540 kg) depending on spec 🛡️ Safety Features Ratings Crash Test Standards: Refer to NHTSA/IIHS data for period. E36 chassis generally performed well for its era. Active Features ABS: Standard Anti-lock Braking System (ABS) - Bosch Traction Control: Optional ASC+T (Automatic Stability Control and Traction) Passive Features Airbags: Driver and passenger airbags Seatbelts: 3-point inertia-reel seatbelts with pretensioners 💡 Technology Features Infotainment Head Unit: Period-appropriate BMW Professional RDS cassette/radio or optional CD player. Speaker System: Standard or optional Harman Kardon sound system. Driver Assistance Cruise Control: Standard cruise control system Connectivity OBD Port: OBD-I diagnostic connector, typically located under the hood. Requires specific diagnostic tools for full access. 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000-7,500 miles (8,000-12,000 km) or annually, whichever comes first (or as per Condition Based Service indicator if equipped). Spark Plug Replacement: Approx. 30,000 miles (48,000 km) for standard plugs, or as specified for iridium/platinum. Coolant Flush: Every 2-3 years or 30,000-50,000 miles (48,000-80,000 km) Fluid Specifications Engine Oil: BMW Longlife-98 specification or equivalent. Recommended viscosity typically 5W-30 or 5W-40 synthetic. Coolant: BMW Blue (G48) or equivalent ethylene glycol-based coolant, mixed 50/50 with distilled water. Brake Fluid: DOT 4 brake fluid Transmission Fluid Manual: BMW ATF LT-3 or equivalent synthetic manual transmission fluid (e.g., Pentosin MTF LT-2). Differential Fluid: BMW Hypoid Gear Oil LS SAE 90 or equivalent (limited-slip differential additive may be required). Known Issues Vanos System: Variable Valve Timing (VANOS) system can degrade over time, leading to rough idle, loss of power, and knocking noises. Requires specific diagnostic and repair procedures. Cooling System: Plastic coolant expansion tanks can become brittle and crack. Water pump and thermostat are common wear items. Subframe Mounts: Rear subframe mounting points can crack or pull through the chassis sheet metal, requiring reinforcement...