🏷️ Basic Information Identification Make: BMW Model: 735i / 735iL Year: 1991 Codes Chassis Code: E32 Engine Code Primary: M30B35 👋 Introduction Market Position Segment: Full-size Luxury Sedan Competitors 1991: Mercedes-Benz S-Class (W126), Lexus LS 400 (XF10), Cadillac Fleetwood, Lincoln Continental Competitive Analysis Usp E32: BMW's characteristic driving dynamics combined with advanced technology and refined luxury, positioned as a sportier alternative to traditional rivals. Key Features Model Luxury Appointments: High-quality leather, wood trim, advanced climate control, premium audio systems, sophisticated ride quality. Performance Focus: Emphasis on driver engagement, responsive steering, and a powerful inline-six engine. 📋 Manual Details Coverage Areas Primary Focus: Full Service & Repair Secondary Focus: Maintenance, Rebuilding, Refurbishing, Restoration Page Count Estimated Pages: 1000+ Manual Type Type: Factory Authorized Service Manual / Workshop Manual Language Language: English Format Format: Digital (Likely PDF) 📖 Manual Coverage Systems Covered Powertrain: Engine, Fuel System, Exhaust System, Cooling System, Lubrication System, Drivetrain, Transmission, Differential, Driveshafts Chassis: Suspension (Front & Rear), Steering System, Brake System (Front & Rear), Wheels & Tires Electrical: Engine Management Electronics (DME), Ignition System, Lighting System, Instrumentation, Switches, Relays, Fuses, Battery, Alternator, Starter Motor, Body Control Modules (BCM), ABS System Body And Interior: Body Panels, Doors, Windows, Seats, Trim, HVAC System, Convertible Top (if applicable, though unlikely for this model), Sunroof Procedures Included Maintenance: Scheduled Maintenance, Fluid Changes (Oil, Coolant, Brake Fluid, Power Steering Fluid, Transmission Fluid), Filter Replacements, Spark Plug Service, Belt Inspection/Replacement Repair Rebuild: Engine Overhaul (Top End & Bottom End), Transmission Repair/Rebuild, Brake System Overhaul, Suspension Component Replacement, Electrical Component Diagnosis & Repair, Steering System Overhaul Diagnostics: Troubleshooting Guides, Diagnostic Trouble Codes (DTCs), Circuit Diagrams, Component Testing Procedures Adjustment Calibration: Valve Clearances, Idle Speed, Ignition Timing (if applicable), ABS Sensor Calibration Technical Depth Depth: Comprehensive (from basic fluid checks to full engine/transmission rebuilds) Detail Level: Detailed step-by-step instructions, torque specifications, special tool requirements, wiring diagrams, exploded views 📊 Manual Specifications File Format Searchability: Likely Searchable Text (if PDF) Resolution: High-resolution scans for clarity Print Quality Print Readability: Designed for clear printing of diagrams and text Binding Type Physical Binding: N/A (Digital Format) Paper Type Physical Paper: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated Inline 6-Cylinder Engine Code: M30B35 Displacement: 3.5 Liters (3430 cc) Performance Horsepower: Approximately 208 hp @ 5700 rpm Torque: Approximately 224 lb-ft @ 4000 rpm Fuel System Injection: Bosch Motronic Electronic Fuel Injection (EFI) Fuel Type: Unleaded Premium Gasoline (91 Octane or higher recommended) Lubrication Oil Type Recommendation: API SG, SAE 15W-40 or 20W-50 (refer to manual for specific climate/usage) Oil Capacity: Approx. 6.5 Liters (6.9 Quarts) with filter change Cooling Coolant Type Recommendation: BMW Blue Antifreeze/Coolant or equivalent ethylene glycol-based coolant (50/50 mix with distilled water) Coolant Capacity: Approx. 10.5 Liters (11.1 Quarts) 🔧 Transmission Standard Type 735I: 4-Speed Automatic (ZF 4HP-22) Optional Type 735Il: 4-Speed Automatic (ZF 4HP-22) Features Drive Modes: Standard Drive, Sport Mode Fluid Specifications Automatic Transmission Fluid: Dexron II or III (BMW HT-1) Fluid Capacity Automatic Transmission Capacity: Approx. 8.0 Liters (8.5 Quarts) for a complete fill 📐 Dimensions Exterior Length 735I: Approx. 4960 mm (195.3 inches) Length 735Il: Approx. 5124 mm (201.7 inches) Wheelbase 735I: Approx. 2830 mm (111.4 inches) Wheelbase 735Il: Approx. 2970 mm (116.9 inches) Weights Curb Weight 735I: Approx. 1700 kg (3748 lbs) Curb Weight 735Il: Approx. 1750 kg (3858 lbs) Wheel Tire Wheel Bolt Pattern: 5x120 mm Standard Wheel Size: 15 inch Alloy (e.g., 7Jx15) Standard Tire Size: 205/65R15 or 225/60R15 🛡️ Safety Features Ratings NHTSA Frontal Impact: Not rated due to age of testing standards for this era Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Optional ASC (Automatic Stability Control) on some models Passive Features Airbags: Driver's side airbag standard, passenger airbag optional or introduced later in the model run. Seatbelts: Front and rear seat belts, pre-tensioners for front occupants Body Structure: Reinforced safety cage, crumple zones 💡 Technology Features Infotainment Audio System: BMW Bavaria C Professional RDS or similar premium stereo system, often with cassette player and optional CD changer. Climate Control: Dual-zone automatic climate control with cabin air filter. Cruise Control: Standard electronic cruise control. Driver Assistance Parking Sensors: Rear parking sensors ('Park Distance Control') were an early optional feature on some E32 models. Headlights: Halogen headlights with optional fog lights. 'Daytime Running Lights' integrated. Connectivity Phone Integration: Optional car phone integration available. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 7,500-10,000 miles or annually, depending on driving conditions (consult manual for exact guidance). Transmission Fluid Change: Recommended every 30,000-60,000 miles or as per manual, especially for heavy use. Coolant Flush: Recommended every 2-3 years or 30,000-50,000 miles. Spark Plug Replacement: Typically around 60,000 miles for platinum plugs, higher for iridium (check specification). Fluid Specifications Brake Fluid Type: DOT 4 (ISO 4925 Class 4) Power Steering Fluid Type: BMW Power...