🏷️ Basic Information Identification Make: BMW Model: 740i / 740iL Model Code: E32 Year: 1988 Codes Engine Code: M60B40 (for 740i/iL) 👋 Introduction Market Position Positioning: Flagship luxury sedan representing BMW's engineering prowess and comfort for the late 1980s. Competitive Analysis Competitors: Competed with luxury sedans like the Mercedes-Benz S-Class, Jaguar XJ, and Lexus LS. Key Features Features: Powerful V8 engine, refined ride quality, advanced (for its time) technology, spacious interior, available long wheelbase (iL). Target Audience Audience: Owners and independent mechanics seeking in-depth knowledge for maintenance, repair, and restoration. 📋 Manual Details Coverage Areas Manual Type: Full Service Repair Manual Language: English Format: Print (assumed, based on description) Page Count: Detailed (specific number not provided, but described as 'very detailed') 📖 Manual Coverage Systems Covered Engine: Comprehensive engine overhaul, diagnostics, fuel injection, ignition, cooling, lubrication systems. Transmission: Automatic transmission repair, maintenance, fluid changes, diagnostics. Drivetrain: Rear axle, driveshaft, CV joints, differential service. Suspension: Front and rear suspension components, shock absorbers, springs, bushings, alignment specifications. Brakes: Hydraulic system, ABS (if equipped), brake pads, rotors, calipers, bleeding procedures. Steering: Power steering system, steering rack, tie rods, linkages. Electrical: Wiring diagrams, battery, charging system, starter, lighting, fuses, relays, EML (Engine Management Light) troubleshooting. Body: Body panel removal/installation, doors, windows, locks, convertible top (if applicable), interior trim. HVAC: Heating, ventilation, and air conditioning system diagnosis and repair. Fuel System: Fuel pump, injectors, lines, evaporative emissions control. Exhaust System: Catalytic converter, mufflers, exhaust pipes. Procedures Included Maintenance: Routine servicing, oil changes, filter replacements, spark plug changes, belt inspections/replacements. Troubleshooting: Diagnostic procedures for common problems, fault code interpretation (if applicable), symptom-based troubleshooting. Repair: Step-by-step instructions for component replacement, rebuild procedures (e.g., engine, transmission). Rebuilding: Detailed rebuild procedures for major components like the engine and transmission. Refurbishment: Guidance on restoring worn or damaged components. Restoration: Advice and procedures applicable to bringing the vehicle back to original specifications. Technical Depth Depth: Comprehensive, covering everything from basic maintenance to full engine and transmission rebuilds, including detailed diagnostics and wiring diagrams. 📊 Manual Specifications File Format Format: Print (likely comb-bound or perfect-bound) Searchability: Index-based for printed format, potentially searchable if digitized. Print Quality Quality: High-quality paper and print for durability in workshop environments (assumed). Binding Type Binding: Durable binding suitable for frequent use (e.g., spiral, perfect bound). Paper Type Paper: Thick, durable paper to withstand workshop conditions. ⚙️ Engine Specifications Primary Engine Engine Type: 4.0L V8 (M60B40) Displacement: 3982 cc (243 cubic inches) Performance Horsepower: 282 hp @ 5800 rpm Torque: 295 lb-ft @ 4500 rpm Fuel System Fuel Delivery: Bosch Motronic electronic fuel injection Fuel Type: Premium Unleaded Gasoline Engine Build Bore X Stroke: 84 mm x 90 mm Compression Ratio: 10.0:1 Engine Block Material: Aluminum alloy Cylinder Head Material: Aluminum alloy 🔧 Transmission Standard Transmission Type: 4-speed automatic (ZF 4HP24) Optional Optional Transmission: None for 740i/iL in 1988 Features Transmission Modes: Sport/Economy (S/E) mode selector 📐 Dimensions Exterior Wheelbase 740I: 2968 mm (116.9 inches) Wheelbase 740Il: 3071 mm (120.9 inches) Length 740I: 4970 mm (195.7 inches) Length 740Il: 5080 mm (200.0 inches) Width: 1800 mm (70.9 inches) Height: 1400 mm (55.1 inches) Weights Curb Weight 740I: Approx. 1780 kg (3924 lbs) Curb Weight 740Il: Approx. 1860 kg (4100 lbs) 🛡️ Safety Features Ratings NHTSA Rating: Not specifically rated by NHTSA in modern standardized terms, but built to high safety standards of the era. Active Features ABS: Standard Anti-lock Braking System (ABS) Passive Features Airbags: Driver airbag standard; passenger airbag optional/available. Body Structure: Reinforced chassis and safety cage construction. Seatbelts: Three-point inertial-reel seatbelts with pretensioners. 💡 Technology Features Infotainment Audio System: High-fidelity BMW audio system with cassette player; optional CD changer. Climate Control: Dual-zone automatic climate control with digital display. Driver Assistance Cruise Control: Standard electronic cruise control. Parking Aid: Optional rear park distance control (Park Distance Control - PDC) was introduced later in the E32 lifecycle, may not be standard on '88. Connectivity Connectivity Features: Limited by 1988 standards; primarily focused on vehicle systems. Onboard computer for trip data and diagnostics. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 7,500-10,000 miles or annually (refer to manual for specific guidance). Major Service: Major services often around 30,000, 60,000, 90,000 miles involving spark plugs, coolant, transmission service, etc. Fluid Specifications Engine Oil: SAE 5W-30 or 5W-40 synthetic oil meeting BMW Longlife-98 specification (or equivalent for the era). Coolant: BMW Blue Antifreeze/Coolant or equivalent (50/50 mix with distilled water). Transmission Fluid: Dexron III/Mercon ATF (for ZF 4HP24) or specified BMW fluid. Brake Fluid: DOT 4 brake fluid. Power Steering Fluid: BMW Power Steering Fluid (or ATF Dexron III/Mercon). Known Issues M60 Engine Issues: Nikasil cylinder bore wear (in earlier M60 versions, though B40 is less prone), valve stem seals, coolant leaks (especially water pump and thermostat housing), oil pan gasket leaks. Electrical Issues: Wiring harness degradation, EML issues, central...