🏷️ Basic Information Identification Make: BMW Model: 318i Model Generation: E30 Product Name: BMW 318i 1984-1990 Workshop Service Repair Manual Codes Engine Code Primary: M10B18 👋 Introduction Market Position Era Context: The E30 generation BMW 3 Series represented a significant evolution for BMW, solidifying its reputation for sporty handling and build quality in the compact executive sedan segment. Competitive Analysis Competitors: Competed directly with the Mercedes-Benz 190E, Audi 80/90, and Alfa Romeo 75. Key Features Driving Dynamics: Renowned for its balanced chassis, rear-wheel-drive layout, and engaging driving experience, a hallmark of BMW. Durability: The M10 engine, though relatively simple, was known for its robustness and longevity when properly maintained. 📋 Manual Details Coverage Areas Manual Type: Workshop Service Repair Manual Language: English Format: Digital (Likely PDF, though not explicitly stated, common for this era) Applicable Years: 1984, 1985, 1986, 1987, 1988, 1989, 1990 📖 Manual Coverage Systems Covered Engine Mechanical: Complete overhaul procedures, including cylinder head, block, pistons, crankshaft, camshaft, timing, lubrication, and cooling systems. Fuel System: Bosch L-Jetronic fuel injection system diagnostics, maintenance, and repair; fuel pump, injectors, pressure regulator, fuel lines. Ignition System: Bosch ignition system maintenance, troubleshooting, coil, distributor, spark plugs, and timing adjustments. Transmission Manual: Repair, adjustment, and maintenance of the Getrag 260 5-speed manual transmission. Transmission Automatic: Service and repair procedures for the ZF 4HP22 automatic transmission (if applicable to specific 318i models covered). Drivetrain Rear Axle: Differential maintenance, lubrication, and repair; driveshaft and CV joint service. Suspension Front: MacPherson strut overhaul, control arms, bushings, ball joints, anti-roll bar. Suspension Rear: Semi-trailing arm system, shock absorbers, bushings, springs, anti-roll bar. Steering: Power steering system (if equipped), steering rack, tie rods, steering column. Brakes Front: Disc brake pad replacement, caliper overhaul, rotor service, brake line routing. Brakes Rear: Disc brake pad replacement, caliper overhaul, rotor service, parking brake mechanism. Electrical System Charging: Alternator testing, replacement, drive belt adjustment. Electrical System Starting: Starter motor testing and replacement, battery maintenance and testing. Electrical System Lighting: Headlights, taillights, interior lights, bulb replacement, wiring diagrams. Electrical System Instruments: Dashboard gauges, warning lights, speedometer, tachometer operation and troubleshooting. Body Exterior: Panel alignment, door mechanisms, hood and trunk latches, window regulators, glass replacement. Body Interior: Seat removal, dashboard disassembly, trim panel replacement, headliner. HVAC System: Heater core, blower motor, ventilation controls, air conditioning system servicing (if equipped). Procedures Included Routine Maintenance: Oil and filter changes, spark plug replacement, air filter replacement, fuel filter replacement, coolant flushes, brake fluid changes. Troubleshooting: Diagnostic flowcharts and procedures for common starting, running, and electrical issues. Component Replacement: Step-by-step instructions for replacing major and minor components across all systems. Adjustments: Valve adjustments, ignition timing, idle speed, clutch adjustment, parking brake adjustment. Lubrication: Detailed lubrication points and recommended lubricant types. Wiring Diagrams: Comprehensive electrical schematics for all vehicle systems. Technical Depth Depth: Comprehensive, suitable for professional technicians and advanced DIY enthusiasts. Covers full diagnostics, repairs, and overhauls. Detail Level: Detailed torque specifications, clearance measurements, and diagnostic fault codes. 📊 Manual Specifications File Format Digital Format: Likely PDF, designed for digital access and searchability. Print Quality Scalability: High resolution for clear viewing and printing of diagrams and text. Binding Type Binding: N/A (Digital Format) Paper Type Paper Quality: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Inline-4 Cylinder, SOHC Engine Code: M10B18 Displacement: 1.8 Liters (1766 cc) Bore X Stroke: 89.0 mm x 71.0 mm Compression Ratio: 8.8:1 (typical) Performance Horsepower: Approx. 101-105 hp @ 5800-6000 rpm (depending on market and specific tuning) Torque: Approx. 103-107 lb-ft @ 3250-3500 rpm (depending on market and specific tuning) Fuel System Fuel Injection: Bosch LE-Jetronic (later models may have Motronic variations) Fuel Type: Unleaded Gasoline (Octane rating requirements specified in manual) Cooling System Cooling Method: Liquid Cooled, Thermostatically Controlled Lubrication System Oil Capacity: Approx. 4.5 Liters (with filter change) 🔧 Transmission Standard Transmission Type Standard: Getrag 260 5-Speed Manual Optional Transmission Type Optional: ZF 4HP22 4-Speed Automatic (Less common on 318i but available) Features Clutch Type: Single Dry Plate, Hydraulic Operation Gear Ratios Manual: Specific ratios are detailed within the manual for the Getrag 260 gearbox. Automatic Kickdown: Feature of the ZF 4HP22 automatic transmission. 📐 Dimensions Exterior Length: Approx. 4325 mm (170.3 in) Width: Approx. 1678 mm (66.1 in) Height: Approx. 1380 mm (54.3 in) Wheelbase: Approx. 2565 mm (101.0 in) Weights Curb Weight: Approx. 1150-1250 kg (2535-2755 lbs), depending on configuration. Gross Vehicle Weight Rating: Specified in vehicle documentation, typically around 1600 kg. Wheels Tires Wheel Bolt Pattern: 5x120 mm Standard Tire Size: 175/70 HR 14 or 195/60 HR 14 (varies by market and trim) 🛡️ Safety Features Ratings Crash Test Data: While formal crash test ratings from organizations like NHTSA or Euro NCAP were less standardized and comprehensive in this era, the E30 chassis was engineered with a focus on occupant protection for its time. Specific data...