🏷️ Basic Information Identification Make: BMW Model: 318i Year: 1985 Codes Chassis Code: E30 Engine Code Primary: M10B18 👋 Introduction Market Position Segment: Compact Executive Sedan/Coupe/Convertible Target Audience: Enthusiasts, DIY mechanics, independent repair shops seeking detailed information for maintaining and repairing the E30 318i. Competitive Analysis Competitors: Mercedes-Benz 190E, Audi 80/90, Alfa Romeo 75, Volvo 240 series. Key Features Driving Dynamics: Renowned for its balanced chassis, RWD dynamics, and engaging driving experience. Build Quality: Known for BMW's typical high build quality and driver-focused interior. 📋 Manual Details Coverage Areas Primary Coverage: Full Service, Repair, Maintenance, Rebuilding, Refurbishing, Restoration Diagnostic Coverage: All diagnostic procedures Page Count Estimated Page Count: Varies by publisher; typically 500-1000+ pages for a comprehensive manual of this era. Manual Type Manual Type: Full Service and Repair Manual Language Language: English Format Format: Print (typically a physical book) 📖 Manual Coverage Systems Covered Engine Mechanical: Engine overhaul, cylinder head, block, pistons, crankshaft, camshaft, valve train, timing belt/chain, lubrication system, cooling system, fuel injection system (Bosch L-Jetronic/Motronic). Engine Electrical: Ignition system, starter, alternator, battery, engine control unit (ECU) diagnostics and wiring diagrams. Transmission: Manual transmission (Getrag 240), automatic transmission (ZF 4HP22 - if applicable), clutch system, drivetrain, driveshafts, differentials. Chassis And Suspension: Front suspension (MacPherson struts), rear suspension (semi-trailing arms), steering system, wheel bearings, shock absorbers, springs, bushings. Brakes: Front disc brakes, rear drum brakes (or discs on some later E30 variants), brake hydraulics, parking brake, ABS (if equipped). Fuel System: Fuel tank, fuel pump, fuel lines, fuel filter, fuel injectors, fuel pressure regulator. Exhaust System: Exhaust manifold, catalytic converter (if applicable for market), muffler, exhaust pipes. Electrical System Body: Lighting (headlights, taillights, interior), wipers, horn, power windows (if equipped), central locking (if equipped), fuse box, relays, wiring diagrams for body circuits. Body And Interior: Body panel removal and installation, interior trim, seats, dashboard, HVAC system (heating, ventilation, air conditioning). Procedures Included Maintenance Tasks: Oil change, filter replacement, spark plug replacement, coolant flush, brake fluid flush, transmission fluid change, differential fluid change, belt inspection/replacement. Repair Procedures: Engine rebuild, transmission overhaul, suspension component replacement, brake caliper overhaul, fuel injector cleaning/replacement, alternator/starter replacement. Diagnostic Procedures: Troubleshooting engine performance issues, electrical faults, starting problems, braking system issues using specified diagnostic steps and readings. Specifications And Tolerances: Torque specifications for all fasteners, engine clearances, valve adjustments, bearing tolerances. Wiring Diagrams: Detailed electrical wiring schematics for all vehicle systems. Technical Depth Depth: Comprehensive, covering everything from routine maintenance to full engine and transmission rebuilds. Assumes a moderate to advanced mechanical aptitude. 📊 Manual Specifications File Format File Format: Print (Paper) Print Quality Print Quality: Typically high-quality, with clear text and diagrams, designed for workshop use. Binding Type Binding Type: Perfect bound or spiral bound (common for durability in workshops) Paper Type Paper Type: Durable paper stock, often with a matte finish to reduce glare. ⚙️ Engine Specifications Primary Engine Engine Type: Inline 4-cylinder, SOHC Displacement: 1.8 Liters (1766 cc) Bore X Stroke: 89.0 mm x 71.0 mm Compression Ratio: 8.8:1 or 9.5:1 (depending on specific variant) Performance Horsepower: Approx. 101-105 hp @ 5800-6000 rpm Torque: Approx. 107-110 lb-ft @ 3200-3500 rpm Fuel System Fuel Delivery: Bosch L-Jetronic or Bosch Motronic fuel injection Fuel Type: Unleaded Gasoline (87 octane minimum, higher recommended) 🔧 Transmission Standard Transmission Type: 4-speed Manual (Getrag 240) Optional Transmission Type: 3-speed Automatic (ZF 3HP22 - less common for 318i E30, more for 325e) Features Clutch Type: Dry single plate 📐 Dimensions Exterior Length: Approx. 4358 mm (171.6 in) for sedan Width: Approx. 1678 mm (66.1 in) Height: Approx. 1380 mm (54.3 in) for sedan Wheelbase: Approx. 2570 mm (101.2 in) Weights Curb Weight: Approx. 1150-1250 kg (2535-2755 lbs) 🛡️ Safety Features Ratings Crash Test History: Pre-dates modern extensive crash testing; early E30s had good structural integrity for their time, but lacked advanced safety features. Active Features Active Features: Four-wheel disc brakes (optional on some models/later years), optional ABS (rare on early 318i). Passive Features Passive Features: Collapsible steering column, reinforced safety cell, laminated front windshield. 💡 Technology Features Infotainment Infotainment System: Basic analog dashboard instrumentation, Blaupunkt or aftermarket radio/cassette player. Driver Assistance Driver Assistance Features: Minimal; focus is on mechanical feedback and driver engagement. Optional ABS was rare. Connectivity Connectivity Features: None (pre-dates modern automotive connectivity standards). 🔧 Maintenance Service Intervals Oil Change Interval: Every 3,000-5,000 miles or 6 months, whichever comes first (typical for this era). Coolant Flush Interval: Every 2 years or 30,000 miles. Transmission Fluid Interval: Manual: Check level periodically, change as needed. Automatic: Every 30,000-50,000 miles. Fluid Specifications Engine Oil Type: API SF or SG, SAE 10W-30 or 10W-40 (check manual for exact spec). Coolant Type: Ethylene glycol-based coolant (e.g., BMW Blue or equivalent), 50/50 mix with distilled water. Brake Fluid Type: DOT 3 or DOT 4. Transmission Fluid Manual: GL-4 Gear Oil, SAE 75W-90 or 80W-90....