🏷️ Basic Information Identification Make: BMW Model: 3 Series Model Variant: 316 Model Variant Engine: 316i Year: 1989 Codes Chassis Code: E30 Engine Code Primary: M40B16 👋 Introduction Market Position Segment: Compact Executive Sedan/Coupe Target Audience: Enthusiasts and owners seeking to maintain or repair their vehicles Competitive Analysis Competitors: Mercedes-Benz 190E, Audi 80, Alfa Romeo 75, Ford Sierra Key Features Vehicle Strengths: Sporty handling, rear-wheel drive dynamics, build quality, reliable inline-four engine Manual Value: Essential for maintaining the longevity and performance of the E30 platform 📋 Manual Details Coverage Areas Primary Focus: Service and Repair Market Scope: Global (mechanic-focused) Page Count Estimated Pages: 400-600 Manual Type Type: Workshop Manual / Service Manual Language Language: English Format Format: Likely PDF (digital) or printed bound book 📖 Manual Coverage Systems Covered Engine: Detailed overhaul, tuning, cooling system, lubrication system, fuel system (including Motronic injection), exhaust system Transmission: Manual and Automatic transmission repair, clutch service, driveshaft, differential Chassis: Suspension (front MacPherson struts, rear semi-trailing arms), steering system, brakes (front discs, rear drums/discs), wheel alignment Electrical: Complete wiring diagrams, starter, alternator, ignition system, lighting, instrumentation, accessory circuits, troubleshooting guides Bodywork: Body panel repair, door mechanisms, interior trim, heating and ventilation systems Procedures Included Maintenance: Regular service intervals, oil changes, filter replacements, fluid checks, belt adjustments, spark plug replacement Repair: Component overhaul, replacement of worn parts, engine rebuilds, transmission rebuilds, brake system repairs, suspension component replacement Troubleshooting: Diagnostic procedures for common faults, electrical system diagnostics, engine performance issues Diagnostics: On-board diagnostics (OBD) if applicable for the year, general diagnostic charts Technical Depth Depth: Comprehensive: Covers everything from basic maintenance to full engine and transmission rebuilds. Suitable for professional mechanics and experienced DIYers. 📊 Manual Specifications File Format Digital Format: PDF Searchability: Likely searchable text (if digitally produced) Print Quality Diagram Clarity: High (typical of official BMW manuals) Image Resolution: Clear and detailed for repair procedures Binding Type Physical Binding: Stapled, glued, or hardbound (depending on original publication) Paper Type Physical Paper: Durable, often coated paper to resist shop environments ⚙️ Engine Specifications Primary Engine Engine Type: Inline 4-cylinder, SOHC Displacement: 1.6 Liters (1596 cc) Bore X Stroke: 80.0 mm x 79.5 mm Compression Ratio: 8.5:1 or 9.4:1 (depending on specific variant/market) Valve Train: SOHC with timing belt Performance Horsepower: Approx. 75-90 PS (55-66 kW) at 5000-5600 rpm (market dependent) Torque: Approx. 120-130 Nm (89-96 lb-ft) at 2500-3250 rpm (market dependent) Fuel System Induction: Bosch Motronic electronic fuel injection Fuel Type: Unleaded Gasoline (RON 95 recommended) Cooling System Coolant Type: BMW approved ethylene glycol coolant concentrate (e.g., BMW part #83 19 2 211 249, or equivalent G48/Si-Oat coolant) Lubrication System Oil Type: API SG or higher, SAE 15W-40 or 10W-40 (check owner's manual for specific seasonal recommendations) Oil Capacity: Approx. 4.5 Liters (4.8 US quarts) with filter Ignition System Spark Plugs: Bosch W7DC or equivalent 🔧 Transmission Standard Type: Getrag 260 5-speed Manual Transmission Optional Type: ZF 4HP22 4-speed Automatic Transmission Features Manual Fluid Type: API GL-4 SAE 75W-90 or SAE 80W-90 Gear Oil Automatic Fluid Type: BMW LT-3 Automatic Transmission Fluid (ATF), or Dexron II/III equivalent (check manual for exact spec) Clutch Type: Hydraulically operated diaphragm spring clutch 📐 Dimensions Exterior Length: Approx. 4330 mm (170.5 in) Width: Approx. 1675 mm (65.9 in) Height: Approx. 1380 mm (54.3 in) Wheelbase: Approx. 2570 mm (101.2 in) Weights Curb Weight: Approx. 1200-1300 kg (2645-2866 lbs) depending on body style and options Gross Vehicle Weight: Approx. 1675 kg (3692 lbs) Cargo Trunk Volume: Approx. 425 Liters (15.0 cu ft) for sedan 🛡️ Safety Features Ratings Crash Testing: No official NHTSA/Euro NCAP ratings from this era readily available for this specific variant; relied on robust chassis design. Active Features Braking System: Front Ventilated Disc Brakes, Rear Drum Brakes (or optional discs on some models). ABS was optional on higher trims, likely not standard on 316i. Traction Control: Not typically equipped on the 316i model. Passive Features Seatbelts: Three-point inertia-reel seatbelts front and rear Airbags: Driver-side airbag was optional, not standard. 💡 Technology Features Infotainment Audio System: Factory fitted AM/FM radio with cassette player, optional CD changer Speakers: Typically 4 or 6 speakers Driver Assistance Cruise Control: Optional Anti Lock Brakes: Optional on this model, particularly for later E30s and higher trims. Connectivity Connectivity Features: N/A (This era predates widespread digital connectivity features) 🔧 Maintenance Service Intervals Oil Change: Every 7,500 - 15,000 km (5,000 - 10,000 miles) or 12-24 months, depending on driving conditions and oil quality. Manual specifies based on service indicator. Air Filter: Replace every 30,000 km (20,000 miles) or as needed based on condition. Spark Plugs: Replace every 30,000 km (20,000 miles) for standard copper plugs, or longer for platinum/iridium if fitted. Timing Belt: Replace every 60,000 - 100,000 km (40,000 - 60,000 miles) or 5 years, whichever comes first. Crucial due to potential for catastrophic...