🏷️ Basic Information Identification Make: BMW Model: 3 Series Model Variant: 316 / 316i Chassis Code: E30 Generation Generation Code: E30 Generation Years: 1982-1994 (global, E30 platform) Codes Engine Codes Covered: M10 (M10B18), M40 (M40B18) 👋 Introduction Market Position Market Position: The BMW 3 Series (E30) was a cornerstone of BMW's compact executive car lineup, renowned for its sporty handling and premium feel, appealing to driving enthusiasts and those seeking a refined yet practical vehicle. Competitive Analysis Competitors: Mercedes-Benz 190E, Audi 80/90, Ford Sierra, Alfa Romeo 75. Key Features Key Features: Rear-wheel drive chassis, balanced weight distribution, driver-focused interior, durable engineering, sporty aesthetics. Manual Value Proposition Manual Value Proposition: This comprehensive workshop manual provides essential information for maintaining, diagnosing, and repairing the BMW 316/316i (E30), empowering owners and independent mechanics with the knowledge to keep these classic vehicles in optimal condition. 📋 Manual Details Coverage Areas Applicable Years: 1988, 1989, 1990, 1991 Coverage Scope: Comprehensive repair and service for 1988-1991 BMW 316 and 316i models. Page Count Page Count: 227 Manual Type Manual Type: Workshop Service Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Mechanical: Engine removal/installation, cylinder head, crankshaft, pistons, connecting rods, timing system, lubrication system, cooling system. Engine Management: Fuel injection system (Bosch Motronic), ignition system, emissions control, sensor diagnostics, ECU. Transmission: Manual and Automatic transmission overhaul, clutch, driveshafts, differential. Suspension: Front and rear suspension components, shock absorbers, springs, bushings, alignment. Steering: Steering rack, power steering system, steering column. Brakes: Brake system diagnostics, front/rear brake calipers, rotors, pads, master cylinder, ABS (if equipped). Electrical System: Battery, charging system, starter, lighting, wipers, horn, power windows, central locking, fuse box diagrams. Body And Chassis: Body panel removal/installation, interior trim, doors, hood, trunk, glass replacement. HVAC: Heating, ventilation, and air conditioning system diagnosis and repair. Procedures Included Maintenance: Scheduled maintenance (oil changes, filter replacements, spark plugs), fluid level checks, belt inspections. Troubleshooting: Diagnostic charts, common fault identification, symptom-based troubleshooting for engine, electrical, and mechanical issues. Repair: Step-by-step repair procedures for all major mechanical and electrical components. Diagnostics: Detailed diagnostic procedures for engine management systems, including sensor testing and fault code interpretation (where applicable). Rebuilding: Comprehensive instructions for engine and transmission rebuilds. Technical Depth Technical Depth: Intermediate to Advanced. Covers routine maintenance, component replacement, system diagnosis, and complete overhauls. 📊 Manual Specifications File Format File Format: PDF (Portable Document Format) Searchable Text: Yes Print Quality Print Quality: High-resolution scans suitable for printing individual pages or the entire manual. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code 316: M10B18 Engine Type 316: Inline 4-cylinder, SOHC Displacement 316: 1766 cc Bore X Stroke 316: 89.0 mm x 71.0 mm Compression Ratio 316: 8.5:1 or 9.5:1 (depending on market/variant) Performance Horsepower 316: Approx. 90-102 hp @ 5500-5800 rpm Torque 316: Approx. 130-140 Nm (96-103 lb-ft) @ 3250-3500 rpm Fuel System Fuel System 316I: Bosch L-Jetronic or Motronic fuel injection Fuel Type: Unleaded gasoline (premium recommended) Engine Code 316I Engine Code 316I: M40B18 Engine Type 316I Engine Type 316I: Inline 4-cylinder, DOHC Displacement 316I Displacement 316I: 1796 cc Performance 316I Horsepower 316I: Approx. 100-114 hp @ 5600-6000 rpm Torque 316I: Approx. 145-150 Nm (107-111 lb-ft) @ 3900-4300 rpm Fuel System 316I Fuel System 316I: Bosch Motronic electronic fuel injection and ignition 🔧 Transmission Standard Standard Transmission: 4-speed manual Optional Optional Transmission: 3-speed or 4-speed automatic (ZF) Features Clutch Type: Single dry plate (manual transmission) Transmission Fluid Spec: Refer to manual for specific fluid type (e.g., ATF for automatic, GL-4 for manual gearbox, GL-5 for differential) 📐 Dimensions Exterior Body Styles: 2-door Sedan, 4-door Sedan, Convertible, Touring (Wagon) Wheelbase: Approx. 2570 mm (101.2 in) Overall Length: Approx. 4325-4380 mm (170.3-172.4 in) depending on body style Weights Curb Weight: Approx. 1100-1250 kg (2425-2755 lbs) depending on body style and equipment 🛡️ Safety Features Ratings Safety Ratings: Euro NCAP ratings not available for this generation; independently tested to contemporary safety standards. Known for good structural integrity. Active Features Active Safety Features: ABS (Anti-lock Braking System) optional on some models. Passive Features Passive Safety Features: Reinforced passenger cell, crumple zones, safety belts, padded dashboard. 💡 Technology Features Infotainment Infotainment Features: Basic analog dashboard, optional upgraded stereo systems with cassette player. Limited integration by modern standards. Driver Assistance Driver Assistance Features: ABS optional. No electronic stability control or advanced driver assistance systems. Connectivity Connectivity Features: N/A (Analog systems, no built-in connectivity) 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500-10,000 miles or annually (refer to manual for specific recommendation). Spark Plug Replacement: Every 20,000-30,000 miles depending on plug type. Timing Belt Replacement: M40 engine (316i) requires timing belt replacement every 40,000-60,000 miles or 3-4 years due to potential failure leading to catastrophic engine damage. M10 engine has a timing chain. Fluid Specifications...