🏷️ Basic Information Identification Make: BMW Model: 750iL Model Code: E32 Model Variant: 750iL Generation Generation: E32 Generation Years: 1986-1994 👋 Introduction Market Position Market Position: Flagship luxury sedan, competing with Mercedes-Benz S-Class and Lexus LS Competitive Analysis Competitive Vehicles: Mercedes-Benz W126/W140 S-Class, Lexus LS 400, Jaguar XJ Key Features Key Features: V12 engine, long wheelbase, opulent interior, advanced technology for its era, refined ride quality Manual Value Proposition: Provides in-depth, authoritative guidance essential for maintaining and repairing the complex V12 engine and advanced systems of the 750iL 📋 Manual Details Coverage Areas Covered Years: 1988, 1989, 1990, 1991, 1992, 1993, 1994 Model Variants Covered: 750iL Page Count Estimated Page Count: 1500+ Manual Type Manual Type: Workshop Service Repair Manual Original Source: Factory BMW Service Manual Language Language: English Format Format: Digital (PDF) 📖 Manual Coverage Systems Covered Engine Systems: Engine mechanical, V12 engine specifics, fuel injection (Bosch Motronic), ignition system, cooling system, lubrication system, exhaust system, emissions control Transmission Systems: Automatic transmission (4HP-35), transmission control, fluid and filter changes, removal and installation Chassis Systems: Suspension (front and rear), steering system (hydraulic power steering), braking system (ABS, disc brakes front and rear), driveline, wheels and tires Electrical Systems: Complete wiring diagrams, lighting system, starting and charging system, battery, fuses and relays, instrument cluster, diagnostic connectors, power windows, seats, mirrors, climate control electronics, body control modules Body And Interior: Body panels, doors, hood, trunk, bumpers, interior trim, seats, headliner, sound insulation, body repair, rust prevention Comfort Systems: Heated seats, automatic climate control (ECC), power seats, sunroof operation, central locking Procedures Included Maintenance Procedures: Oil change, filter replacement, fluid checks and top-offs, spark plug replacement, belt inspection and replacement, brake pad replacement, tire rotation Diagnostic Procedures: Troubleshooting guides for common issues, fault code interpretation (OBD-I era diagnostics), system testing procedures, electrical troubleshooting using wiring diagrams Repair Procedures: Detailed step-by-step repair instructions for all major components, engine overhauls, transmission repairs, suspension component replacement, brake caliper overhaul, electrical component repair Technical Specifications: Torque specifications for all fasteners, engine specifications, chassis geometry, electrical component ratings, fluid capacities and types Body Repair Procedures: Panel replacement, rust repair, door and window sealing, alignment procedures Electrical Troubleshooting Methods: Step-by-step wiring harness tracing, component testing, voltage and resistance measurements Technical Depth Depth Of Coverage: Comprehensive from basic maintenance to complete engine and transmission rebuilds, in-depth electrical diagnostics, and bodywork repair Special Tools Requirement: Detailed listing and usage instructions for specialized BMW tools required for certain repairs (e.g., engine timing, hydraulic systems) 📊 Manual Specifications File Format File Format: Searchable PDF Print Quality: High-resolution scans, clear text and diagrams Binding Type Binding Type: N/A (Digital) Paper Type Paper Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Code: M70 Engine Configuration: 60-degree V12 Engine Displacement: 4.988 Liters (304.4 cu in) Performance Horsepower: 296 hp @ 5200 rpm Torque: 332 lb-ft @ 3900 rpm Fuel System Fuel System Type: Sequential Electronic Fuel Injection (Bosch Motronic M1.2) Fuel Type: Premium Unleaded Gasoline (91+ octane) Engine Features Engine Features: Dual overhead camshafts (DOHC), 2 valves per cylinder, individual throttle bodies for each bank, separate engine management for each cylinder bank Engine Management: Dual Motronic control units, one for each cylinder bank 🔧 Transmission Standard Standard Transmission: 4-speed Automatic (ZF 4HP-35) Features Transmission Features: Electronic control, sport and comfort modes 📐 Dimensions Exterior Wheelbase: 117.4 inches (2982 mm) Length: 199.3 inches (5062 mm) Width: 71.7 inches (1821 mm) Height: 55.7 inches (1415 mm) Weights Curb Weight: 4,365 lbs (1980 kg) Interior Interior Volume: Ample for a luxury sedan, particularly for rear passengers due to long wheelbase 🛡️ Safety Features Ratings Safety Ratings: NHTSA ratings not readily available for this era; focus on era-appropriate passive safety features Active Features Active Safety Features: Anti-lock Braking System (ABS), power-assisted steering Passive Features Passive Safety Features: Frontal airbags (driver and passenger), crumple zones, reinforced safety cage, three-point seat belts with pretensioners 💡 Technology Features Infotainment Infotainment System: Cassette player with radio, optional CD changer, analog display for climate control and audio Driver Assistance Driver Assistance Features: Cruise control, automatic climate control, power adjustable seats with memory Connectivity Connectivity Features: Analog phone system (optional, likely obsolete) Electrical Tech Onboard Diagnostics: OBD-I compliant, with diagnostic connectors for engine and ABS/transmission systems 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500-10,000 miles or 12 months (check manual for specific recommendations) Spark Plug Replacement Interval: Approx. 30,000 miles (refer to manual for specific plug type and interval) Transmission Service Interval: Fluid and filter change recommended every 30,000-50,000 miles (crucial for longevity) Fluid Specifications Engine Oil Specification: SAE 5W-30 or 5W-40 synthetic (API SG or higher) Coolant Specification: BMW Blue Antifreeze/Coolant (ethylene glycol based) Transmission Fluid Specification: ZF LifeguardFluid 5 (or equivalent approved ATF) Brake Fluid Specification: DOT 4 Power Steering Fluid Specification: ATF Dexron II (check manual for exact specification) Known Issues...