🏷️ Basic Information Identification Make: BMW Model: 7 Series Chassis Code: E32 Specific Models Covered: 735i, 735iL, 750iL Model Years Covered: 1988, 1989 👋 Introduction Market Position Segment: Full-size Luxury Sedan Target Audience: Affluent consumers seeking premium performance, comfort, and advanced technology Competitive Analysis Key Competitors: Mercedes-Benz S-Class, Jaguar XJ, Lexus LS Key Features Luxury Appointments: Spacious interior, high-quality materials, advanced comfort features Performance Orientation: BMW's renowned driving dynamics and powerful engine options Technological Advancement: Early adoption of electronic systems for engine management, comfort, and safety 📋 Manual Details Coverage Areas Primary Focus: Electrical Systems Troubleshooting Secondary Coverage: Component Location, Diagnostics, Repair Procedures for Electrical Components Page Count Estimated Page Count: Refer to specific manual publication. Typically 300-600 pages for comprehensive electrical troubleshooting. Manual Type Type: Official BMW Service Manual / Technical Information Manual Language Language: Likely English, though original German and other translations may exist. Format Format: Digital (PDF) likely, potentially available as printed. 📖 Manual Coverage Systems Covered Power Distribution: Detailed power distribution charts and diagrams Fuses And Relays: Fuse charts, fuse details, and power distribution Ground Distribution: Ground distribution points and wiring diagrams Engine Management: Engine Control System (DME - Digital Motor Electronics) Charging System: Alternator, battery, charging circuit diagnostics Starting System: Starter motor, ignition switch, starting circuit troubleshooting Transmission Control: Electronic transmission control (e.g., for automatic transmissions) Safety Systems: Supplemental Restraint System (SRS - Airbags), Slip Control (ABS - Anti-lock Braking System) Comfort And Convenience: Power Mirrors, Central Locking, Power Windows, Power Seats, Heated Seats, Power Sun Roof Lighting: Instrument cluster lighting, light switch, headlights, fog lights, turn/hazard lights, park/tail/underhood lights, license plate/luggage compartment lights, backup lights, brake lights, interior lights, glove box light, cassette box ash tray lights, charging socket Wiper Washer: Wiper/washer module, headlight washer, windshield washer jet heaters Climate Control: Park ventilation with HKR (Heated Coolant Recirculation), Rear Window defogger, Integrated climate regulation Infotainment: Radio/CD player, Radio/Hi-Fi system, Cellular Telephone, On Board Computer Driver Assistance: Cruise Control (Tempomat), Anti-Theft System Procedures Included Troubleshooting Methodology: Step-by-step troubleshooting guides based on symptoms Diagnostic Procedures: Procedures for identifying electrical faults and diagnosing issues Repair Instructions: Detailed repair steps for electrical components and wiring harnesses Wiring Diagrams: Comprehensive wiring diagrams for all electrical systems Component Identification: Component location charts and views, connector views Technical Depth Depth: In-depth technical information, suitable for professional technicians and knowledgeable enthusiasts Diagnostics Level: Advanced diagnostics, including signal tracing and component testing Illustrations: Illustrations, diagrams, depth illustrations for clarity 📊 Manual Specifications File Format Digital Format: PDF (searchable, printable) Print Quality Print Quality: High-resolution scans or original factory print quality. Binding Type Binding Type: N/A for digital; if printed, typically spiral-bound or perfect-bound for workshop use. Paper Type Paper Type: N/A for digital; if printed, typically heavy-duty paper for workshop durability. ⚙️ Engine Specifications Primary Engine 735 Engine Code: M30B35 Configuration: Inline 6-cylinder, SOHC (Single Overhead Camshaft) Displacement: 3.430 cc (3.4 Liters) Bore X Stroke: 92 mm x 86 mm Compression Ratio: 8.0:1 or 8.5:1 (depending on market/specific tuning) Horsepower: Approx. 208-211 hp @ 5,500 rpm Torque: Approx. 290-300 Nm (214-221 lb-ft) @ 4,000 rpm Primary Engine 750 Engine Code: M70B50 Configuration: V12, SOHC (Single Overhead Camshaft) per bank Displacement: 4.988 cc (5.0 Liters) Bore X Stroke: 84 mm x 90 mm Compression Ratio: 8.8:1 Horsepower: Approx. 296-300 hp @ 5,200 rpm Torque: Approx. 470-472 Nm (347-348 lb-ft) @ 3,900 rpm Fuel System Fuel Injection: Bosch Motronic Electronic Fuel Injection (EFI) with Distributorless Ignition System (DIS) on M70 V12 Fuel Type: Premium Unleaded Gasoline (91+ Octane) 🔧 Transmission 735I/Il Standard Transmission: 4-speed Automatic (ZF 4HP22) Optional Transmission: 5-speed Manual (Getrag 280/5) - less common, primarily for European markets 750Il Standard Transmission: 4-speed Automatic (ZF 4HP24) Optional Transmission: None Features Electronic Control: Electronic control for shift points and transmission operation 📐 Dimensions Exterior 735I Length: Approx. 4,972 mm (195.7 in) Exterior 735Il Length: Approx. 5,164 mm (203.3 in) Exterior 750Il Length: Approx. 5,164 mm (203.3 in) Exterior Wheelbase Short: Approx. 2,830 mm (111.4 in) for 735i Wheelbase Long: Approx. 3,074 mm (121.0 in) for 735iL and 750iL Weights Curb Weight 735I: Approx. 1,730-1,760 kg (3,814-3,880 lbs) Curb Weight 750Il: Approx. 1,950-2,000 kg (4,299-4,409 lbs) Gross Vehicle Weight Rating: Varies by model and configuration. 🛡️ Safety Features Ratings Crash Test Data: Modern crash test data may not be directly comparable to contemporary standards. Focus on the era's safety features. Passive Features Airbags: Driver airbag standard, passenger airbag optional on some models/markets. Seatbelts: 3-point inertia-reel seatbelts front and rear. Chassis Design: Reinforced passenger cell, crumple zones. Active Features ABS: Anti-lock Braking System (ABS) standard on all models by this period. Traction Control: Optional on some models, often referred to as ASC (Automatic Stability Control) or ASC+T. 💡 Technology Features Infotainment Radio System: Advanced Hi-Fi sound systems, often with cassette and/or CD players. Radio data system (RDS)...