🏷️ Basic Information Identification Make: BMW Model: 7 Series Model Variant: 735i, 735iL, 750iL Chassis Code: E32 Production Years Covered: 1987-1988 Codes Engine Code 735: M30B35 Engine Code 750: M70B50 👋 Introduction Market Position Segment: Full-size luxury sedan Target Audience: Affluent buyers seeking performance, comfort, and advanced technology Competitive Analysis Key Competitors: Mercedes-Benz S-Class, Audi V8 Quattro, Jaguar XJ-S Key Features Of Vehicle Design Philosophy: Elegant styling, driver-focused interior, advanced engineering Technology Emphasis: Pioneering use of electronics for comfort, safety, and performance management Value Proposition Of Manual Cost Savings: Enables owners to perform repairs themselves, saving significant labor costs Accessibility: Provides technical information understandable even to those with basic mechanical knowledge 📋 Manual Details Coverage Areas Primary Focus: Electrical Systems and Troubleshooting Secondary Focus: Component-specific diagnostics and repair Page Count Estimated Page Count: N/A (specific page count not provided, but comprehensive based on contents) Manual Type Type: Electrical Troubleshooting Manual / Repair Manual Language Language: English (implied by content and typical workshop manuals) Format Format: Printed (indicated by 'manual what will be send to you') 📖 Manual Coverage Systems Covered Power Distribution: Comprehensive power distribution charts and diagrams Fuses: Fuse charts, fuse details, and locations Grounds: Ground distribution diagrams and specifications Engine Control: Engine Control System wiring and diagnostics Charging System: Charging System schematics and troubleshooting Starting System: Starter system wiring and diagnostics Transmission Control: Electronic Transmission Control (ETC) wiring and diagnostics Restraint System: Supplemental Restraint System (SRS) - airbag system details ABS: Slip Control (ABS) system schematics and troubleshooting Comfort Features: Power Mirrors, Central Locking, Power Windows, Power Seats, Heated Seats, Power Sun Roof Lighting: Headlights, Fog Lights, Turn/Hazard Lights, Park/Tail/Underhood Lights, License Plate/Luggage Compartment Lights, Back-up Lights, Brake Lights, Interior Lights, Glove Box/Cassette Box/Ashtray Lights, Charging Socket Washers: Wiper/Washer Module, Headlight Washer, Windshield Washer Jet Heaters Climate Control: Integrated Climate Regulation, Park/Ventilation with HKR (Heated Condition Recirculation) Infotainment: Radio/CD Player, Radio/Hi-Fi, Cellular Telephone Convenience: Multi-Function Clock, On-Board Computer, Cruise Control (Tempomat), Anti-Theft System Instrumentation: Instrument Cluster wiring and diagnostics Procedures Included Troubleshooting: Systematic troubleshooting procedures based on symptoms and electrical diagrams Component Testing: Testing procedures for individual electrical components Wiring Analysis: Analysis of wiring harnesses and connections Diagnostics: Diagnostic strategies for electrical faults Data Link: Information on data link connectors and communication protocols for the era Technical Depth Depth: Detailed wiring diagrams, component locations, connector views, and splice locations Explanations: Step-by-step explanations for understanding electrical functions and repairs Illustrations: Illustrations and diagrams, including depth illustrations 📊 Manual Specifications File Format Electronic Format: N/A (physical copy implied) Print Quality Quality: Expected to be high quality, as used by garages/workshops Binding Type Binding: Likely bound for workshop durability Paper Type Paper Quality: Durable paper suitable for workshop use ⚙️ Engine Specifications Primary Engine 735 Engine: 3.5L Inline-6 (M30B35) Horsepower 735: Approx. 208 hp @ 5,700 rpm Torque 735: Approx. 225 lb-ft @ 4,000 rpm Fuel System 735: Bosch Motronic electronic fuel injection Primary Engine 750 Engine: 5.0L V12 (M70B50) Horsepower 750: Approx. 295 hp @ 5,200 rpm Torque 750: Approx. 332 lb-ft @ 3,700 rpm Fuel System 750: Dual Bosch Motronic electronic fuel injection (one per bank) 🔧 Transmission Standard Transmission Type: 4-speed automatic (ZF 4HP22/4HP24 depending on model/year) Optional Transmission Type: 5-speed manual (less common, primarily for 735i) Features Electronic Control: Electronic Transmission Control (ETC) for shift quality and diagnostics 📐 Dimensions Exterior 735I Wheelbase: 111.4 inches (2,830 mm) Exterior 735Il Wheelbase: 116.7 inches (2,965 mm) Exterior 750Il Wheelbase: 116.7 inches (2,965 mm) Weights 735I Curb Weight: Approx. 3,700 lbs (1,680 kg) Weights 750Il Curb Weight: Approx. 4,400 lbs (2,000 kg) 🛡️ Safety Features Ratings NHTSA Rating: N/A (No standardized ratings for this era) Active Features ABS: Standard Anti-lock Braking System (ABS) Passive Features Airbags: Driver's side airbag (standard on most models/markets for this period), Supplemental Restraint System (SRS) Chassis Construction: Reinforced safety cage, crumple zones 💡 Technology Features Infotainment Audio Systems: BMW Bavaria C, C II, C Business, C Professional radios; optional CD player Hifi: Optional Hi-Fi sound systems with amplifier and multiple speakers Driver Assistance Cruise Control: Standard 'Tempomat' cruise control Parking Aid: Early versions of parking sensors might be present on later E32s, but not standard on 1987-1988 models Connectivity Telephone: Optional integrated cellular telephone system Onboard Computer Functionality: On-Board Computer (OBC) providing diagnostics, fuel economy, and travel information 🔧 Maintenance Service Intervals Oil Change: Typically every 7,500-10,000 miles or 12 months, depending on driving conditions (consult manual for specifics) Major Service: Major services often due around 60,000 miles or 5 years, involving spark plugs, belts, coolant flush, etc. Fluid Specifications Engine Oil 735: API SG, SAE 15W-40 or 20W-50 (check manual for exact viscosity based on climate) Engine Oil 750: API SG, SAE 15W-50 or 20W-50 (check manual for exact viscosity based on climate) Transmission Fluid Automatic: Dexron III or equivalent (check manual for precise...