🏷️ Basic Information Identification Make: BMW Model: 518i Year: 1988 Generation Chassis Code: E34 Codes Engine Code Common: M20B18 👋 Introduction Market Position Segment: Executive Sedan Target Audience: Performance-oriented luxury sedan buyers Competitive Analysis Key Competitors: Mercedes-Benz W124 E-Class, Audi 100/200 Key Features Design Philosophy: German engineering, driver-centric focus, premium build quality Handling: Renowned for its balanced chassis and engaging driving dynamics 📋 Manual Details Coverage Areas Service And Repair: Comprehensive Maintenance Procedures: Full Diagnostic Troubleshooting: Extensive Page Count Estimated Pages: 500+ Manual Type Type: Factory Service Manual / Workshop Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine: M20B18 4-cylinder, 8-valve, fuel-injected Fuel System: Bosch LE-Jetronic Fuel Injection Ignition System: Electronic Ignition System Cooling System: Complete cooling system diagnosis and repair Exhaust System: Component replacement and repair Transmission: Getrag 5-speed Manual & Automatic (Optional) Clutch: Service and adjustment Driveline: Driveshafts, CV joints, rear differential Suspension: Front MacPherson struts, Rear multi-link, components and alignment Steering: Power steering system, components, and adjustment Brakes: Front ventilated discs, Rear solid discs, ABS (Optional), system overhaul Electrical System: Charging system, starting system, lighting, instrumentation Wiring Diagrams: Detailed circuit diagrams for all systems Climate Control: HVAC system diagnosis and repair Bodywork: Panel removal/installation, trim, glass Interior: Seating, dashboard, upholstery Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plugs, fluid checks Engine Overhaul: Complete engine rebuild procedures, including piston, ring, bearing, valve, and head gasket replacement Transmission Repair: Manual and automatic transmission overhaul and component replacement Brake System Repair: Caliper rebuild, disc/pad replacement, bleeding, ABS diagnostics Suspension Component Replacement: Struts, shocks, control arms, bushings Electrical Component Testing: Alternator, starter, fuel pump, sensors Troubleshooting Guides: Systematic diagnosis of common and uncommon problems Body Panel Alignment And Repair: Minor dent repair, panel fitting Tune Up Procedures: Ignition timing, idle speed, fuel mixture adjustments Climate Control Diagnostics: Refrigerant system, blower motor, actuators Technical Depth Depth: Detailed, comprehensive, suitable for professional mechanics and experienced DIYers Diagnostic Codes: Includes diagnostic trouble codes (DTCs) if applicable for the era's systems Torque Specifications: All critical fastener torque specifications included Special Tools: Lists any required special tools for specific procedures 📊 Manual Specifications File Format Quality: High-resolution, searchable PDF with clear diagrams and text Searchability: Full text searchable for quick information retrieval Print Quality Diagram Clarity: Crystal clear, detailed diagrams and illustrations Binding Type Type: N/A (Digital Format) Paper Type Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Code: M20B18 Engine Type: Inline 4-cylinder, SOHC Displacement: 1.8 Liters (1795 cc) Bore X Stroke: 84.0 mm x 81.0 mm Compression Ratio: 8.5:1 Performance Horsepower: 115 PS (113 bhp; 85 kW) at 5800 rpm Torque: 164 Nm (121 lb-ft) at 4500 rpm Fuel System Type: Bosch LE-Jetronic Multi-Point Fuel Injection Fuel Type: Unleaded gasoline (RON 91 or higher recommended) Cooling System Capacity: Approx. 7.5 Liters Coolant Type: BMW recommended ethylene glycol-based coolant (e.g., G48) Oil Specifications Engine Oil Type: API SG or SH, SAE 10W-40 or 15W-40 recommended Oil Capacity: Approx. 4.25 Liters (with filter) 🔧 Transmission Standard Type: Getrag 260 5-speed Manual Transmission Optional Type: ZF 4HP22 4-speed Automatic Transmission Features Manual Gear Ratios: Included in manual Automatic Features: Sport/Economy modes (if equipped) Fluid Specifications Manual Transmission Fluid: API GL-4 SAE 75W-90 or 80W-90 Automatic Transmission Fluid: Dexron III or equivalent (e.g., ATF LT71141) 📐 Dimensions Exterior Length: 4730 mm (186.2 in) Width: 1751 mm (68.9 in) Height: 1410 mm (55.5 in) Wheelbase: 2795 mm (110.0 in) Front Track: 1464 mm (57.6 in) Rear Track: 1487 mm (58.5 in) Weights Curb Weight Manual: Approx. 1450 kg (3197 lbs) Curb Weight Auto: Approx. 1480 kg (3263 lbs) Gross Vehicle Weight Rating: Included in manual Towing Capacity: Included in manual (if applicable) Wheel Bolt Pattern: 5 x 120 mm Wheel Size Standard: 15 x 6.5 inch alloy wheels Tire Size Standard: 205/65VR15 🛡️ Safety Features Ratings NHTSA Rating: N/A for this era, but designed to high European standards Active Features ABS: Optional Anti-lock Braking System (ABS) Traction Control: Not typically available on 518i Passive Features Airbags: Driver airbag not standard, optional in later E34 years Seatbelts: 3-point inertia-reel front seat belts, 3-point rear seat belts Body Structure: Reinforced safety cell with crumple zones 💡 Technology Features Infotainment Audio System: Factory BMW premium sound system (optional), typically cassette player Display: Analog gauges, central information display (MID) for trip computer functions Driver Assistance Cruise Control: Standard or optional depending on trim 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 10,000-15,000 km (6,000-9,000 miles) or annually, as per manual recommendations. Air Filter Replacement: Every 30,000-40,000 km (18,000-25,000 miles) Spark Plug Replacement: Every 40,000-60,000 km (25,000-37,000 miles) depending on plug type. Timing Belt Replacement: M20 engine uses a timing chain, not a belt, which typically lasts the life of the engine but requires inspection for tensioner wear. Brake Fluid Flush: Every 2...