🏷️ Basic Information Identification Make: BMW Model: 735i / 735iL Model Code: E32 Year: 1989 Codes Engine Code Primary: M30B35 👋 Introduction Market Position Segment: Luxury Sedan Competitors 1989: Mercedes-Benz S-Class (W126), Audi V8 Quattro, Jaguar XJ6 Competitive Analysis Usp: Blend of performance, luxury, advanced engineering, and driver-focused experience. Key Features Design Philosophy: Conservative yet elegant styling, superior build quality, driver-centric ergonomics. Target Audience: Discerning professionals, executives, and enthusiasts seeking a refined and capable luxury automobile. 📋 Manual Details Coverage Areas Coverage Scope: Complete factory service and repair Page Count Estimated Pages: Hundreds Manual Type Type: Factory Service Repair Manual Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Powertrain: Engine mechanical, fuel system, ignition system, cooling system, exhaust system, transmission (automatic) Chassis: Suspension (front and rear), steering system, braking system, wheels and tires Electrical: Wiring diagrams, battery, alternator, starter, lighting, power accessories, instrument cluster, engine control unit (ECU) Body: Body panels, doors, windows, interior trim, climate control system, heating and air conditioning (HVAC) Comfort Systems: Detailed coverage of HVAC, power windows, power seats, sunroof, central locking, and related components. Procedures Included Maintenance: Scheduled maintenance, fluid changes, filter replacement, inspections Repair: Engine overhaul, transmission service, brake caliper replacement, suspension component repair, electrical component diagnosis and repair Troubleshooting: Diagnostic procedures for common issues, fault code interpretation (where applicable), step-by-step troubleshooting guides Diagnostics: Detailed diagnostic procedures for all major systems, including electrical and engine management Body Repair: Guidelines for body panel alignment, rust repair, and basic interior trim removal/installation. Diagnostic Tools: Information on using specific diagnostic tools or techniques relevant to the vehicle's systems. Technical Depth Depth: Comprehensive, from basic maintenance to full engine and transmission rebuilds Engine Rebuild: Detailed procedures for complete engine disassembly, inspection, component replacement, and reassembly. Transmission Rebuild: Comprehensive instructions for automatic transmission overhaul, including torque converter and valve body servicing. Suspension Geometry: Specifications for alignment and suspension component replacement. Electrical Diagnostics: In-depth electrical troubleshooting guides utilizing detailed wiring diagrams for pinpointing faults. 📊 Manual Specifications File Format PDF Features: Searchable text, printable pages, high-resolution images and diagrams Print Quality Printability: Designed for high-quality printing of individual pages or the entire manual Binding Type Binding Recommendation: Binder recommended for printable format Paper Type Paper Recommendation: Standard printer paper (8.5" x 11") ⚙️ Engine Specifications Primary Engine Engine Family: M30 'Big Six' Engine Type: Inline 6-cylinder, SOHC Displacement: 3.430 cc (3.4 Liters) Bore X Stroke: 92.0 mm x 86.0 mm Performance Horsepower Peak: 208 hp @ 5,700 rpm (approx.) Torque Peak: 290 Nm (214 lb-ft) @ 4,000 rpm (approx.) Fuel System Fuel Delivery: Bosch Motronic electronic fuel injection (EFI) Fuel Type: Premium Unleaded Gasoline (91 octane or higher recommended) Engine Management ECU Type: Bosch Motronic M1.3 (typical) Idle Speed: Specifications for engine idle speed under various conditions (warm/cold, AC on/off). 🔧 Transmission Standard Transmission Type: 4-speed Automatic (ZF 4HP22) Optional Transmission Type: 5-speed Manual (Getrag 265, less common on 735i/iL) Features Automatic Features: Electronic control, Sport/Economy mode selection Gear Ratios Auto: Refer to manual for specific gear ratios of ZF 4HP22 transmission. Fluid Specifications Automatic Transmission Fluid: Dexron-II (or equivalent) 📐 Dimensions Exterior Wheelbase 735I: 2,830 mm (111.4 in) Wheelbase 735Il: 3,060 mm (120.5 in) Length 735I: 4,920 mm (193.7 in) Length 735Il: 5,160 mm (203.1 in) Width: 1,800 mm (70.9 in) Height: 1,400 mm (55.1 in) Weights Curb Weight 735I: 1,690 kg (3,726 lbs) approx. Curb Weight 735Il: 1,760 kg (3,880 lbs) approx. 🛡️ Safety Features Ratings Safety Features Era: Standard for its class, including crumple zones, reinforced passenger cell. Active Features ABS: Standard Anti-lock Braking System (ABS) Passive Features Airbags: Driver's airbag optional (became standard later in E32 production) Seatbelts: 3-point inertia-reel seatbelts front and rear 💡 Technology Features Infotainment Audio System: Premium Hi-Fi system options, cassette player with optional CD changer interface. Driver Assistance Cruise Control: Standard electronic cruise control. Climate Control: Dual-zone automatic climate control (optional on some models, standard on 735iL). Connectivity Connectivity Features: Basic for the era; primarily focused on internal vehicle systems and driver comfort. 🔧 Maintenance Service Intervals Oil Change Interval: Every 10,000-15,000 km (6,000-9,000 miles) or annually, depending on driving conditions (refer to manual for precise BMW recommendation). Major Service: Around 60,000 km (36,000 miles) for spark plugs, filters, inspection of major components (refer to manual). Fluid Specifications Engine Oil Type: BMW High Performance Synthetic Engine Oil (e.g., Castrol Formula RS 10W-40, or equivalent API SG/CD, ACEA A2/B2 rated) Engine Oil Capacity: 6.5 Liters (6.9 US Quarts) with filter change Coolant Type: BMW Blue Antifreeze/Coolant (Glysantin G48 equivalent) - 50/50 mixture with distilled water Brake Fluid Type: DOT 3 or DOT 4 Power Steering Fluid: ATF Dexron-II (or equivalent) Manual Transmission Fluid: SAE 75W-90 GL-4 or GL-5 gear oil (if equipped with manual transmission) Known Issues Common Wear Items: Ignition components (distributor cap, rotor, spark plug wires),...