🏷️ Basic Information Identification Make: BMW Model: 518 / 518i Model Code: E34 Product Name: BMW 518 518i 1990 1991 Workshop Repair Service Manual Generation Generation Name: E34 Generation Years: 1987-1996 (International), 1989-1995 (North America) 👋 Introduction Market Position Segment: Executive Sedan / Mid-size Luxury Sedan Target Audience: Owners seeking to maintain and repair their BMW E34 518/518i, automotive technicians, enthusiasts. Competitive Analysis Key Competitors: Mercedes-Benz W124 E-Class, Audi V8 Quattro, Volvo 740/940, Jaguar XJ. Key Features Vehicle Philosophy: BMW's characteristic blend of performance, luxury, and driver engagement, with the 518/518i representing a more accessible entry point into the executive segment. Manual Value Proposition: Provides essential, manufacturer-level technical information to ensure proper servicing and longevity of the vehicle. 📋 Manual Details Coverage Areas Engine Coverage: 1.8L M40B18 (518/518i) Transmission Coverage: Manual and Automatic Transmissions Chassis Coverage: All E34 variants (specifically focusing on 518/518i models) Trim Level Coverage: All available trim levels for 518/518i Page Count Estimated Page Count: Likely 800-1200+ pages (typical for comprehensive workshop manuals) Manual Type Manual Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Engine mechanical, lubrication system, cooling system, fuel system (injection and pump), ignition system, exhaust system, engine electricals, engine management (DME), emissions control. Transmission: Manual transmission (clutch, gearbox, driveshafts) and automatic transmission (torque converter, hydraulic control, gearbox) service, repair, and troubleshooting. Drivetrain: Differential, axles, wheel bearings. Suspension: Front and rear suspension components (struts, control arms, bushings, springs, shocks), alignment specifications. Steering: Power steering system (pump, rack, hoses), steering column, tie rods. Brakes: Hydraulic system (master cylinder, brake lines, calipers, wheel cylinders), ABS (if equipped), parking brake, brake pad/disc replacement, bleeding procedures. Electrical System: Battery, charging system (alternator), starting system (starter), lighting system, fuses, relays, wiring diagrams for all circuits. Body And Interior: Body panels, doors, windows, locks, seats, dashboard, trim components, HVAC system (heating, ventilation, air conditioning). Fuel System: Fuel tank, fuel pump, fuel injectors, fuel pressure regulator, fuel filter, EFI control module. Cooling System: Radiator, fan, water pump, thermostat, coolant hoses, coolant specifications. Procedures Included Maintenance: Oil change intervals, fluid level checks, filter replacements (oil, air, fuel), spark plug replacement, belt inspection and replacement, brake fluid flush, coolant flush. Troubleshooting: Diagnostic procedures for common starting issues, engine performance problems, electrical faults, brake system issues, and HVAC system malfunctions. Symptom-based diagnostics. Repair: Step-by-step repair instructions for engine components (head gasket, timing belt), transmission overhaul, suspension component replacement, brake caliper rebuild, electrical component repair, body panel replacement. Diagnostics: Diagnostic trouble codes (DTCs) interpretation (if applicable for the era), wiring diagrams for tracing electrical faults, component testing procedures. Specifications: Torque specifications for fasteners, engine data, component dimensions, alignment settings, fluid capacities, electrical resistance values. Technical Depth Depth Level: Comprehensive: Covers routine maintenance, diagnostics, repair, and component overhaul for all major systems. Detail Level: Detailed diagrams, exploded views, and step-by-step instructions suitable for professional mechanics and experienced DIYers. 📊 Manual Specifications File Format File Format: PDF (Portable Document Format) Searchability: Typically searchable text within the PDF for quick information retrieval. Print Quality Print Quality: Designed for clear reproduction when printed, with legible text and diagrams. Binding Type Binding Type: Not Applicable (Digital Download) Paper Type Paper Type: Not Applicable (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: M40B18 Engine Type: Inline 4-cylinder, SOHC (Single Overhead Camshaft) Displacement: 1.8 Liters (1796 cc) Bore X Stroke: 84 mm x 81 mm Compression Ratio: 8.8:1 or 9.0:1 (depending on specific market/variant) Performance Horsepower: Approx. 113-115 PS (83-85 kW) @ 5600 rpm Torque: Approx. 164-168 Nm (121-124 lb-ft) @ 4250 rpm Fuel System Fuel Delivery: Bosch Motronic fuel injection (e.g., Motronic ML 4.1 or M 1.7) Fuel Type: Unleaded Gasoline (RON 91 or higher recommended) Engine Management Ignition System: Electronic ignition with distributor Emission Control: Catalytic converter (standard for most markets), Lambda sensor (O2 sensor). 🔧 Transmission Standard Transmission Type: 5-speed Manual Transmission (Getrag 240/260 variations) Optional Transmission Type: 4-speed Automatic Transmission (e.g., ZF 4HP22) Features Clutch Type: Hydraulically actuated single dry plate clutch Transmission Fluid: Manual: ATF DEXRON II or equivalent. Automatic: ATF DEXRON II/III. 📐 Dimensions Exterior Wheelbase: 2761 mm (108.7 in) Length: 4734 mm (186.4 in) Width: 1751 mm (68.9 in) Height: 1412 mm (55.6 in) Weights Curb Weight: Approx. 1400-1500 kg (3086-3307 lbs) depending on configuration Gross Vehicle Weight Rating: Varies by specific model and options Cargo Trunk Capacity: Approx. 460 liters (16.2 cu ft) 🛡️ Safety Features Ratings Crash Test Data: Limited specific official ratings available for this era and model variant; rely on general E34 chassis safety design principles. Not subject to modern NHTSA/Euro NCAP standards. Active Features ABS: Optional Anti-lock Braking System (ABS) Passive Features Airbags: Driver airbag standard in most markets from 1990 onwards, passenger airbag optional or introduced later. Seatbelts: Front and rear seatbelts, potentially with pre-tensioners for front seats. Body...