🏷️ Basic Information Identification Make: BMW Model: 3 Series Model Variant: 316 / 316i Year: 1990 Generation Chassis Code: E30 Codes Engine Code 316: M10B18 (carbureted, some markets) Engine Code 316I: M10B18 (fuel-injected) 👋 Introduction Market Position Positioning: The BMW 3 Series (E30) was a compact executive car that cemented BMW's reputation for sporty handling and build quality. The 316 and 316i models provided an entry-level option into the premium German marque, balancing performance with relative economy. Competitive Analysis Competitors: Competed against vehicles like the Mercedes-Benz 190E, Audi 80, and Ford Sierra XR4i in various markets. Key Features Handling: Renowned for its balanced chassis, RWD layout, and engaging driving dynamics. Build Quality: Characterized by robust construction and premium interior materials for its class. Design: Iconic 'E30' design language, considered a classic by many enthusiasts. 📋 Manual Details Coverage Areas Coverage Scope: All models, engines, trim levels, and transmission types for the 1990 BMW 316 and 316i (E30 chassis). Page Count Estimated Page Count: Varies by specific manual version, typically 500-1000+ pages for comprehensive workshop manuals. Manual Type Type: Workshop Repair and Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Detailed diagnostics, repair, overhaul, and troubleshooting for the M10B18 engine (both carbureted and fuel-injected variants). Fuel System: Component testing and repair for carbureted (e.g., Pierburg 2E) and Bosch LE-Jetronic fuel injection systems. Ignition System: Distributor-based ignition system diagnostics, timing adjustment, and component replacement. Transmission: Service and repair procedures for manual (e.g., Getrag 240) and automatic transmissions. Drivetrain: Rear-wheel drive system, driveshafts, differential, and axle servicing. Suspension: Front MacPherson struts, rear semi-trailing arms, shock absorbers, bushings, and alignment specifications. Steering: Power steering system (if equipped) diagnosis and repair, steering rack, and tie rod end replacement. Brakes: Front disc brakes, rear drum brakes (or disc on some variants), ABS system (if equipped), hydraulic lines, and caliper/wheel cylinder service. Electrical System: Comprehensive wiring diagrams, fuse box layout, starter, alternator, battery servicing, lighting, and accessory circuits. Body And Chassis: Body panel alignment, door mechanisms, interior trim removal, glass replacement, and underbody rust protection. Heating And Cooling: HVAC system diagnosis, blower motor, heater core, and air conditioning system servicing (if equipped). Procedures Included Maintenance: Routine maintenance tasks such as oil changes, filter replacements, spark plug checks, and fluid level checks. Troubleshooting: Systematic diagnostic procedures for identifying and resolving common and complex issues. Repair: Detailed step-by-step instructions for component replacement and repair. Overhaul: Complete engine and transmission rebuild procedures. Calibration: Adjustment and calibration of engine timing, idle speed, and fuel injection systems. Diagnostic Charts: Flowcharts and symptom-based troubleshooting guides. Technical Depth Depth: Comprehensive coverage from basic maintenance and fluid changes to in-depth engine and transmission overhauls, including detailed electrical system diagnostics. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable, allowing for quick information retrieval. Printability: Printable, allowing for on-hand reference. Print Quality Quality: High-resolution digital reproduction of original factory documentation. Binding Type Binding: N/A (Digital PDF format) Paper Type Paper: N/A (Digital PDF format) ⚙️ Engine Specifications Primary Engine Engine Type 316I: Inline 4-cylinder, SOHC (M10 family) Displacement 316I: 1.8 Liters (1766 cc) Bore X Stroke 316I: 89.0 mm x 71.0 mm Compression Ratio 316I: 8.8:1 (typical) Engine Type 316: Inline 4-cylinder, SOHC (M10 family, carbureted) Displacement 316: 1.8 Liters (1766 cc) Performance Horsepower 316I: 102 hp @ 5500 rpm (approx.) Torque 316I: 107 lb-ft @ 3250 rpm (approx.) Horsepower 316: 90 hp @ 5500 rpm (approx. - carbureted) Torque 316: 97 lb-ft @ 3500 rpm (approx. - carbureted) Fuel System Fuel System 316I: Bosch LE-Jetronic Fuel Injection Fuel System 316: Single Downdraft Carburetor (e.g., Pierburg 2E) Recommended Fuel: Unleaded gasoline, 91 octane (RON+MON)/95 AKI or higher recommended 🔧 Transmission Standard Standard Transmission: 4-speed Manual (e.g., Getrag 240) Optional Optional Transmission: 3-speed Automatic (e.g., ZF 3HP22) Features Drivetrain: Rear-Wheel Drive (RWD) 📐 Dimensions Exterior Length: 4325 mm (170.3 in) Width: 1675 mm (65.9 in) Height: 1380 mm (54.3 in) Wheelbase: 2570 mm (101.2 in) Weights Curb Weight: Approx. 1150-1250 kg (2535-2755 lbs) depending on transmission and equipment. 🛡️ Safety Features Ratings Crash Test Era: Safety standards and testing procedures were less stringent compared to modern vehicles. Specific NHTSA/IIHS ratings for this exact configuration are difficult to pinpoint, but the E30 chassis was known for its robust build. Active Features ABS: Optional on some models, particularly later E30s. Passive Features Seatbelts: Standard front seatbelts, optional rear seatbelts. Construction: Unitized body construction with front and rear crumple zones. 💡 Technology Features Infotainment Audio System: Factory radio with cassette player, optional CD player available on some later models. Basic speaker configurations. Driver Assistance ABS Availability: Optional ABS system on some models, primarily impacting braking performance and stability control. Connectivity Bluetooth Nav: No factory Bluetooth or navigation systems. Aftermarket solutions were common for upgrades. 🔧 Maintenance Service Intervals Oil Change Interval:...