🏷️ Basic Information Identification Make: BMW Model: 735i / 735iL Year: 1988 Model Codes: E32 👋 Introduction Market Position Market Segment: Full-size luxury sedan, flagship model for BMW at the time. Target Audience: Affluent individuals seeking luxury, performance, and advanced technology. Competitive Analysis Key Competitors: Mercedes-Benz S-Class (W126), Audi V8 Quattro, Jaguar XJ, Cadillac DeVille. Key Features Design Philosophy: Elegant styling, driver-oriented cockpit, advanced engineering, and refined driving dynamics. Innovation: Introduction of the E32 chassis marked significant advancements in chassis design, aerodynamics, and comfort features for BMW's flagship. 📋 Manual Details Coverage Areas Manual Type: Full Service & Repair Manual Language: English Format: Digital (likely PDF, often printable) Page Count Estimated Page Count: 1000+ (typical for comprehensive factory-style manuals) 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed overhaul, diagnosis, and repair of the M30B34 engine (including cylinder head, block, pistons, crankshaft, camshaft, timing, lubrication, cooling). Engine Management: Bosch Motronic M1.3 fuel injection and ignition system, sensor testing and replacement, idle control, emissions control systems. Transmission Manual: Repair and overhaul of the Getrag 260 5-speed manual transmission, clutch system, driveline components. Transmission Automatic: Diagnosis and repair of the ZF 4HP22 4-speed automatic transmission, hydraulic controls, torque converter, linkages. Suspension: Front MacPherson strut, rear semi-trailing arm, shock absorbers, springs, bushings, steering linkage, power steering system. Brakes: Front and rear disc brakes (likely vented front), ABS (Anti-lock Braking System) diagnosis and repair, hydraulic system, parking brake. Electrical System: Full wiring diagrams, component testing, fuse/relay identification, battery, starter, alternator, lighting systems, power accessories, horn. Body And Chassis: Body panel removal and installation, door mechanisms, window regulators, seals, interior trim, sound deadening, chassis components. Climate Control: HVAC system diagnosis and repair, blower motor, evaporator, condenser, refrigerant system, heater core. Fuel System: Fuel tank, fuel pump, fuel lines, fuel filter, fuel pressure regulator, injectors. Cooling System: Radiator, water pump, thermostat, coolant hoses, expansion tank, heater hoses. Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug service, coolant flushes, brake fluid changes, belt inspections. Troubleshooting: System-specific diagnostic flowcharts, symptom-based problem solving, common fault identification. Component Rebuild: Detailed instructions for rebuilding engines, transmissions, brake calipers, power steering racks, etc. Diagnostic Procedures: Step-by-step testing of electrical components, sensors, actuators using multimeters and specialized tools. Alignment And Adjustment: Wheel alignment specifications, headlight aiming, throttle cable adjustment, parking brake adjustment. Special Tools: Identification and usage of BMW-specific tools required for certain repairs and adjustments. Technical Depth Engine Overhaul: Complete engine teardown, inspection, measurement, and reassembly with torque specifications and clearances. Transmission Rebuild: In-depth instructions for disassembling, inspecting, replacing worn parts, and reassembling both manual and automatic transmissions. Electrical Diagnostics: Comprehensive fault finding for electrical systems, including interpretation of wiring diagrams and use of diagnostic equipment. Body Repair: Detailed procedures for body panel removal, replacement, dent repair, and rust prevention. ABS System Diagnosis: Specific diagnostic procedures for the BMW ABS system, including sensor testing and hydraulic unit troubleshooting. 📊 Manual Specifications File Format File Format: Likely PDF; searchability, bookmarking, and printable pages are key features. Print Quality Print Quality: High-resolution images, clear diagrams, and legible text. Binding Type Binding Type: For physical copies: Typically perfect bound or spiral bound for lay-flat use in a workshop. Paper Type Paper Type: For physical copies: Durable, often coated paper to withstand workshop conditions. ⚙️ Engine Specifications Primary Engine Engine Code: M30B34 Engine Type: Inline-6, SOHC (Single Overhead Camshaft) Displacement: 3.430 cc (3.4 Liters) Bore X Stroke: 92.0 mm x 86.0 mm Compression Ratio: 8.0:1 or 9.0:1 (depending on market/spec) Performance Horsepower: Approx. 208-218 hp @ 5700 rpm (DIN) Torque: Approx. 290-300 Nm (214-221 lb-ft) @ 3700 rpm (DIN) Fuel System Fuel Injection: Bosch Motronic M1.3 Electronic Fuel Injection (EFI) Fuel Type: Unleaded gasoline (premium unleaded recommended) Cooling System Cooling Type: Liquid-cooled 🔧 Transmission Standard Standard Transmission: Getrag 260 5-speed manual transmission Optional Optional Transmission: ZF 4HP22 4-speed automatic transmission Features Automatic Features: Electronic transmission control (later models), Sport mode. Fluid Specifications Automatic Transmission Fluid Type: Dexron III (or equivalent) Manual Transmission Fluid Type: BMW MTF LT-1 (or GL-4 75W-90) 📐 Dimensions Exterior Wheelbase: 735i: 2,830 mm (111.4 in) / 735iL: 3,020 mm (118.9 in) Length: 735i: 4,920 mm (193.7 in) / 735iL: 5,110 mm (201.2 in) Width: 1,800 mm (70.9 in) Height: 1,400 mm (55.1 in) Weights Curb Weight: Approx. 1,650 kg (3,638 lbs) for 735i / 1,700 kg (3,748 lbs) for 735iL Gross Vehicle Weight Rating: Typically around 2,150-2,250 kg Towing Capacity: Not typically specified or recommended by BMW for this model. 🛡️ Safety Features Ratings NHTSA Rating 1988: Data not readily available for specific year/model ratings from that era. Active Features ABS: Standard Anti-lock Braking System (ABS) on all models. Traction Control: Optional ASC (Automatic Stability Control) available on some models. Passive Features Airbags: Driver airbag standard from 1988 model year. Seatbelts: Three-point inertia-reel seatbelts front and rear, pre-tensioners for front belts...