🏷️ Basic Information Identification Make: BMW Model: 5 Series Chassis Code: E34 Product Name: BMW 518i E34 Service Repair Manual 1990-1991 Generation Generation Designation: E34 Codes Engine Code Prefix: M40 👋 Introduction Market Position Vehicle Segment: Executive/Luxury Mid-size Sedan Competitive Analysis Key Competitors Era: Mercedes-Benz W124 E-Class, Audi V8 Quattro (D1), Jaguar XJ40, Volvo 740/760 Key Features E34 Platform Highlights: Renowned for its solid build quality, refined driving dynamics, and sophisticated design, representing a peak in BMW's engineering for the era. Manual Value Proposition Target Audience: BMW E34 owners seeking to perform DIY maintenance and repairs, independent repair shops specializing in European vehicles. 📋 Manual Details Coverage Areas Covered Years: 1990, 1991 Covered Models: BMW 518i (E34) Page Count Estimated Page Count: Approximately 1000+ pages (typical for comprehensive BMW E34 manuals) Manual Type Type: Service and Repair Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Systems: Engine Mechanical, Fuel System (EFI), Ignition System, Cooling System, Lubrication System, Exhaust System Drivetrain Systems: Clutch, Manual Transmission, Driveshafts, Rear Axle Differential Chassis Systems: Front Suspension, Rear Suspension, Steering System, Hydraulic Brake System, ABS (if equipped) Electrical Systems: Battery, Charging System, Starting System, Lighting System, Ignition Switch, Wiring Diagrams, Fuses and Relays, Instrument Cluster, Warning Lights Body And Interior: Body Panels, Doors, Windows, Seats, HVAC (Heating, Ventilation, and Air Conditioning) Procedures Included Maintenance Procedures: Routine Maintenance, Oil Changes, Filter Replacements, Spark Plug Replacement, Coolant Flush, Brake Fluid Flush, Belt Inspection/Replacement Repair Procedures: Engine Overhaul (Rebuild), Cylinder Head Removal/Installation, Piston/Cylinder Work, Transmission Removal/Installation, Clutch Replacement, Suspension Component Replacement, Brake System Repair, Electrical Component Diagnosis/Repair Diagnostic Procedures: Troubleshooting Guides, Symptom-Based Diagnostics, Electrical Circuit Tracing, Engine Performance Diagnostics Technical Depth Depth Of Coverage: Comprehensive (from basic fluid checks to complete engine and transmission rebuilds) Documentation Style: Step-by-step instructions with detailed diagrams and illustrations 📊 Manual Specifications File Format Digital Format: PDF Print Quality Printability: Printable (entire manual or selected pages) Binding Type Binding Method: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) Accessibility Viewing Options: Viewable on PC/MAC, Zoom In/Out capability ⚙️ Engine Specifications Primary Engine Engine Type: Inline 4-Cylinder Engine Displacement: 1.8 Liters (1796 cc) Engine Code: M40B18 Performance Horsepower: Approx. 113 hp @ 5500 rpm Torque: Approx. 164 Nm (121 lb-ft) @ 4250 rpm Fuel System Fuel Delivery: Bosch Motronic Electronic Fuel Injection (EFI) Fuel Type: Unleaded Gasoline (Octane rating as per market) Ignition System Ignition Type: Distributorless Ignition System (DIS) or Distributor (depending on exact build date/market) Lubrication Oil Capacity: Approx. 4.25 Liters (4.5 US Quarts) with filter Recommended Oil Grade: API SG or ACEA A2/B2, Viscosity 10W-40 or 5W-40 (refer to manual for precise BMW specifications) 🔧 Transmission Standard Transmission Type: Getrag 260 5-Speed Manual Transmission Optional Optional Transmission: ZF 4HP22 4-Speed Automatic Transmission Features Transmission Fluid Type Manual: GL-4 SAE 75W-90 Synthetic Gear Oil (BMW Part No. 81 32 1 468 418 or equivalent) Transmission Fluid Type Automatic: Dexron III/Mercon Automatic Transmission Fluid (ATF) 📐 Dimensions Exterior Length: Approx. 4720 mm (185.8 in) Width: Approx. 1751 mm (68.9 in) Height: Approx. 1410 mm (55.5 in) Weights Curb Weight Manual: Approx. 1400 kg (3086 lbs) Wheelbase: Approx. 2760 mm (108.7 in) Wheel Bolt Pattern: 5x120 mm Tire Sizes Standard: 195/65R15 🛡️ Safety Features Ratings Safety Structure Design: Reinforced safety cage, crumple zones Active Features Braking System: Hydraulic, front vented discs, rear solid discs. ABS optional/standard depending on market. Passive Features Airbags: Driver airbag standard from late 1990 onwards; passenger airbag optional. 💡 Technology Features Infotainment Audio System: Factory fitted cassette/radio systems, often with optional CD changer integration. Driver Assistance ABS Availability: Anti-lock Braking System (ABS) was an optional extra during these model years, becoming more common on later E34s. Connectivity Cruise Control: Optional feature on some models. 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500-10,000 miles (12,000-15,000 km) or 12 months, whichever comes first (depending on driving conditions). Spark Plug Replacement Interval: Approx. 30,000-60,000 miles (50,000-100,000 km) for standard plugs; consult manual for specific type. Coolant Flush Interval: Every 2 years or 30,000 miles (50,000 km). Fluid Specifications Brake Fluid Type: DOT 4 (BMW High Performance Brake Fluid) Power Steering Fluid Type: CHF 11S or Pentosin PSF (refer to manual for exact BMW specification) Known Issues Common E34 Issues: Cooling system (hose leaks, water pump failure), OBC (On-Board Computer) pixelation, VANOS unit issues (on later 6-cylinder models, less relevant for M40), rust (wheel arches, rocker panels), fuel pump failure, transmission mount wear. 📚 Vehicle History Brand Heritage Bmw Legacy: BMW, Bayerische Motoren Werke AG, has a long history of producing performance-oriented luxury vehicles, emphasizing driving pleasure ('The Ultimate Driving Machine'). Model Evolution E34 Introduction: The E34 generation of the 5 Series was introduced in 1987 (as a 1988 model in North America) and ran until 1995. It succeeded the E28 and was known for its...