🏷️ Basic Information Identification Make: BMW Model: 5 Series Chassis Code: E34 Model Variant: 518 Model Variant Badge: 518i Production Years Model Years Covered: 1990-1991 Codes Engine Code: M40B18 👋 Introduction Market Position Vehicle Segment: Executive Sedan Target Audience: Consumers seeking a blend of performance, luxury, and durability Competitive Analysis Key Competitors: Mercedes-Benz W124 E-Class, Audi V8, Jaguar XJ Key Features Chassis Platform: E34 platform known for its advanced engineering and driving dynamics Brand Philosophy: Represents BMW's 'Ultimate Driving Machine' ethos 📋 Manual Details Coverage Areas Manual Type: Workshop Service Repair Manual Language: English Format: Downloadable PDF Completeness: Complete Official Factory Manual Page Count Estimated Pages: Hundreds (Printable in entirety or selected sections) 📖 Manual Coverage Systems Covered Engine Mechanical: Full Engine Overhaul, Cylinder Head, Block, Pistons, Crankshaft, Camshaft, Timing, Lubrication, Cooling System Engine Management: Fuel Injection System (Bosch Motronic), Ignition System, Emission Control, Sensors, ECU Diagnostics Transmission: Manual Transmission (Getrag 260/5), Clutch System, Driveshaft, Differential Drivetrain: Rear Wheel Drive, Axles, Universal Joints Suspension: Front and Rear Suspension Geometry, Springs, Shock Absorbers, Control Arms, Bushings, Wheel Bearings Brakes: Front and Rear Disc Brakes, Brake Hydraulics, ABS (if equipped), Parking Brake Steering: Power Steering System, Steering Column, Steering Gear Electrical System: Battery, Charging System (Alternator), Starting System (Starter Motor), Lighting System, Fuses, Relays, Wiring Diagrams, ECU Pinouts Body And Interior: Paint and Body Repair Procedures Procedures Included Maintenance: Scheduled Maintenance (Oil Changes, Filters, Spark Plugs), Fluid Level Checks, Belt Replacement Troubleshooting: Diagnostic Charts, Common Faults and Solutions, Error Code Interpretation Repair: Step-by-Step Repair Instructions for all major systems Disassembly Assembly: Detailed procedures for component removal and reinstallation Specifications: Torque Specifications, Tolerances, Clearances, Lubricant Recommendations Wiring Diagrams: Comprehensive Electrical Schematics for all vehicle systems Technical Depth Diagnostic Capabilities: Advanced Diagnostics, including sensor testing and ECU troubleshooting Rebuild Procedures: Complete Engine and Transmission Rebuild Procedures Special Tools: Identification and use of BMW-specific special tools 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable Text Content for easy navigation Print Quality Resolution: High-Resolution Scans for clear diagrams and text Printability: Printable in its entirety or selected sections Binding Type Physical Format N A: Digital Download (N/A) Paper Type Physical Format N A: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Type: Inline 4-cylinder, DOHC Displacement: 1.8 Liters (1796 cc) Bore X Stroke: 84.0 mm x 81.0 mm Compression Ratio: 8.5:1 Performance Horsepower: 113 hp @ 5500 rpm (approx.) Torque: 164 Nm (121 lb-ft) @ 3250 rpm (approx.) Fuel System Fuel Delivery: Bosch Motronic Electronic Fuel Injection (EFI) Fuel Type: Unleaded Gasoline Cooling System Coolant Type: BMW Blue Antifreeze/Coolant (G48 ethylene glycol based) or equivalent, 50/50 mix with distilled water Oil Specifications Engine Oil Grade: SAE 10W-40 or 15W-50 depending on climate (check manual for specific recommendations) Oil Capacity: Approx. 4.25 liters (4.5 US quarts) with filter 🔧 Transmission Standard Transmission Type: 5-Speed Manual Gearbox Model: Getrag 260/5 Fluid Specifications Manual Transmission Fluid: API GL-4, SAE 75W-90 Synthetic Gear Oil (e.g., BMW ATF-1 or equivalent) Fluid Capacity Manual Transmission Capacity: Approx. 1.25 liters (1.3 US quarts) 📐 Dimensions Exterior Length: 4719 mm (185.8 in) Width: 1751 mm (68.9 in) Height: 1410 mm (55.5 in) Wheelbase: 2799 mm (110.2 in) Weights Curb Weight: Approx. 1450 kg (3197 lbs) Gross Vehicle Weight Rating: Approx. 1950 kg (4299 lbs) 🛡️ Safety Features Ratings Crash Test N A: No official modern crash test ratings available for this era specific to this model variant. Active Features ABS: Anti-lock Braking System (Optional on some models) Passive Features Airbags: Driver's airbag (standard on later models, optional earlier) Seatbelts: Front seatbelt pretensioners 💡 Technology Features Infotainment Audio System: Factory AM/FM Cassette Stereo with optional CD Player. Onboard Computer: On-Board Computer (OBC) providing diagnostics and trip information. Driver Assistance Cruise Control: Standard or Optional Cruise Control system. Connectivity Connectivity Features: Limited by era; primarily focused on basic vehicle functions. 🔧 Maintenance Service Intervals Oil Change Interval: Every 10,000 - 15,000 km (6,000 - 9,000 miles) or 12 months, whichever comes first (refer to manual for precise interval based on driving conditions). Air Filter Replacement: Every 30,000 - 40,000 km (18,000 - 24,000 miles) or as needed based on inspection. Spark Plug Replacement: Every 40,000 - 60,000 km (24,000 - 36,000 miles) (dependent on plug type; consult manual). Coolant Replacement: Every 2-3 years or 40,000 km (24,000 miles). Fluid Specifications Brake Fluid Type: DOT 4 Power Steering Fluid Type: Dexron III Automatic Transmission Fluid (ATF) or Pentosin CHF 11S (check manual for specific OEM recommendation). Known Issues Common Wear Items: Valve stem seals, coolant hoses, fuel pump, ignition components, front control arm bushings, rear shock mounts. Engine Management Issues: Possible issues with the Motronic system, Idle Control Valve (ICV), and AFM (Air Flow Meter). Electrical Issues: Failing OBC (On-Board Computer) displays, door lock actuators, and vacuum leaks affecting various systems. 📚 Vehicle History Brand...