🏷️ Basic Information Identification Make: BMW Model: 3 Series Model Variant: 318i Year: 1991 Codes Chassis Code: E36 👋 Introduction Market Position Segment: Compact executive sedan, known for sporty handling and premium build quality. Competitive Analysis Competitors: Mercedes-Benz 190E, Audi 80/90, Acura Integra, Infiniti G20. Key Features Handling Dynamics: Renowned for its balanced chassis, rear-wheel-drive platform, and engaging driving experience. Build Quality: Typical BMW build quality with durable materials and precise engineering. Manual Value Proposition Target Audience: DIY enthusiasts, independent mechanics, and BMW owners seeking to maintain or repair their E36 318i. 📋 Manual Details Coverage Areas Engine: M40B18 (1.8L Inline-4) Transmission: Getrag 260/5 (5-speed manual), ZF 4HP22 (4-speed automatic) Chassis: Suspension, Steering, Brakes, Body Structure Electrical: Wiring Diagrams, Lighting, Instrumentation, ECU, Ancillary Systems Page Count Estimated Pages: 500+ Manual Type Type: Service Repair Workshop Manual Language Language: English Format Format: Digital (likely PDF, but confirmation of specific format for sales is needed) 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel injection, ignition, cooling, exhaust, clutch, transmission, driveshaft, differential, axles Chassis Suspension: Front suspension (MacPherson struts), rear suspension (multi-link semi-trailing arms), shock absorbers, springs, bushings Steering Brakes: Power steering system, steering rack, brake system (vented front discs, solid rear discs), ABS (Anti-lock Braking System) Body Interior: Body panel removal/installation, door mechanisms, glass replacement, interior trim, seats, HVAC system (heater core, A/C system) Electrical Electronics: ECU diagnostics (for Motronic systems), sensor testing, wiring harness routing, lighting circuits, horn, wipers, power windows, central locking Procedures Included Maintenance: Oil change, filter replacement, spark plug replacement, coolant flush, brake fluid flush, belt inspection/replacement, air filter replacement Diagnosis Troubleshooting: Diagnostic trouble codes (DTCs), symptom-based troubleshooting for engine, transmission, and electrical issues Repair Rebuild: Engine overhaul (cylinder head, pistons, crankshaft), transmission overhaul, brake caliper rebuild, suspension component replacement Special Tools: Identification of required BMW-specific tools for various repair procedures Technical Depth Depth: Comprehensive, covering everything from basic maintenance to full engine and transmission rebuilds, including detailed diagnostic procedures. 📊 Manual Specifications File Format Digital Quality: Likely high-resolution scans or digitally native documents, ensuring clarity of diagrams and text. Searchable text functionality is a strong possibility for PDF formats. Print Quality Print Readability: If a printed version is offered, expect professional printing with clear, crisp text and diagrams, on quality paper suitable for a workshop environment. Binding Type Binding: For printed versions, commonly spiral-bound or comb-bound for lay-flat usability in a workshop. Perfect bound is also possible. Paper Type Paper Stock: Durable, matte paper stock to minimize glare and withstand workshop conditions. ⚙️ Engine Specifications Primary Engine Engine Code: M40B18 Displacement: 1.8 liters (1796 cc) Configuration: Inline-4 cylinder, DOHC (Double Overhead Camshaft) Performance Horsepower: Approx. 113 hp @ 5500 rpm Torque: Approx. 127 lb-ft (172 Nm) @ 4300 rpm Fuel System Injection System: Bosch Motronic (likely ML-4.1 or M1.7) Fuel Type: Unleaded gasoline (91 RON minimum recommended) Engine Management Ignition Type: Distributorless ignition system (DIS) or single ignition coil with distributor on later M40 variants. Emission Control: Catalytic converter, oxygen sensor feedback control. 🔧 Transmission Standard Type: Getrag 260/5 (5-speed manual) Optional Type: ZF 4HP22 (4-speed automatic) Features Clutch: Hydraulically operated single dry plate clutch. Fluid Specifications Manual Transmission Fluid: BMW MTF LT-2 or equivalent SAE 75W-90 GL-4/GL-5 gear oil. Capacity approx. 1.4 liters. Automatic Transmission Fluid: Dexron III ATF. Capacity approx. 1.5 liters (drain/fill), 7.5 liters (total rebuild). 📐 Dimensions Exterior Length: Approx. 4433 mm (174.5 in) Width: Approx. 1711 mm (67.4 in) Height: Approx. 1393 mm (54.8 in) Wheelbase: Approx. 2700 mm (106.3 in) Weights Curb Weight: Approx. 1300-1400 kg (2866-3086 lbs), depending on equipment. Gross Vehicle Weight: Approx. 1850 kg (4079 lbs) 🛡️ Safety Features Ratings Crash Test Results: Specific NHTSA/IIHS ratings for 1991 E36 are not readily available, but the E36 generation was noted for improved safety structures compared to its predecessor. Active Features ABS: Standard on most E36 318i models, providing anti-lock braking. Passive Features Airbags: Driver's side airbag was optional or standard depending on market and specific build date. Seatbelts: Three-point inertia-reel seatbelts front and rear. Body Structure: Reinforced passenger cell, crumple zones front and rear. 💡 Technology Features Infotainment Audio System: Factory BMW stereo system (often with cassette player). Optional CD changer might have been available. Speaker upgrades common. Driver Assistance Cruise Control: Optional feature on many models. Connectivity Remote Keyless Entry: Optional, but not universally standard on all 1991 models. 🔧 Maintenance Service Intervals Oil Change: Typically every 7,500-10,000 miles (12,000-16,000 km) or 12 months, whichever comes first, depending on driving conditions. Consult manual for specific interval. Spark Plugs: Replace every 30,000-60,000 miles (48,000-96,000 km), depending on type (e.g., standard copper vs. platinum). Manual will specify exact type and interval. Coolant Flush: Every 2-3 years or 30,000-50,000 miles (48,000-80,000 km). Transmission Fluid Change: Manual: Every 60,000-100,000 miles (96,000-160,000 km). Automatic: Every 40,000-60,000 miles (64,000-96,000 km) or as specified....