🏷️ Basic Information Identification Make: BMW Model: 750iL Model Code: E38 Year: 1998 Codes Chassis Code: E38 Engine Code Prefix: M73 👋 Introduction Market Position Segment: Full-size Luxury Sedan Target Audience: Owners seeking to maintain or repair their 750iL, independent repair shops, automotive technicians Competitive Analysis Key Competitors: Mercedes-Benz S-Class, Lexus LS, Audi A8, Jaguar XJ Key Features Manual Value: Official, licensed content ensuring accuracy and completeness for critical repair information Software Benefit: Instant access, searchable functionality, often includes diagrams and illustrations 📋 Manual Details Coverage Areas Primary Focus: Comprehensive Service and Repair Additional Coverage: Diagnostics, Maintenance, Troubleshooting, Specifications Page Count Estimated Page Count: 1000+ Manual Type Type: Official Service and Repair Manual Software Language Language: English Format Format: Digital Software (likely PDF or proprietary format) 📖 Manual Coverage Systems Covered Powertrain: Engine, Transmission, Drivetrain Chassis: Suspension, Steering, Brakes, Wheels & Tires Electrical: Complete Electrical System, Lighting, Instrumentation, Comfort Electronics, DME (Digital Motor Electronics) Body: Exterior Body Panels, Interior Trim, Seats, Safety Restraints HVAC: Heating, Ventilation, and Air Conditioning System Diagnostics: Diagnostic Trouble Codes (DTCs), Fault Tracing, Electronic Control Unit (ECU) Functions Procedures Included Maintenance: Routine Maintenance, Oil Changes, Filter Replacements, Tune-ups Repair: Component Removal and Installation, Engine Rebuilds, Transmission Overhauls, Brake System Repairs Troubleshooting: Systematic Fault Diagnosis, Wiring Diagrams for Troubleshooting Specifications: Torque Values, Clearances, Fluid Types and Capacities, Electrical Component Values Adjustments: Valve Adjustments (if applicable), Idle Speed Adjustments, Sensor Calibrations Technical Depth Depth: Comprehensive, from basic maintenance to advanced diagnostics and complete rebuild procedures Diagnostics Detail: In-depth diagnostic procedures for all major electronic control modules (ECUs) and sensor systems Wiring Diagrams: Detailed, color-coded wiring diagrams for all vehicle systems 📊 Manual Specifications File Format Digital Format: Software Application or Searchable PDF Print Quality Quality Description: High-resolution digital rendering of original factory documentation Binding Type Binding Type: N/A (Digital Software) Paper Type Paper Type: N/A (Digital Software) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally Aspirated V12 Engine Code: M73B54 (5.4L) Displacement: 5.4 Liters (5379 cc) Performance Horsepower: 326 hp @ 5000 rpm Torque: 361 lb-ft @ 3900 rpm Bore X Stroke: 85.0 mm x 96.0 mm Compression Ratio: 9.3:1 Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) - Bosch Motronic M5.2 Fuel Type: Premium Unleaded Gasoline (91+ Octane) Engine Construction Block Material: Aluminum Alloy Cylinder Head Material: Aluminum Alloy Valvetrain: SOHC (Single Overhead Camshaft), 2 valves per cylinder 🔧 Transmission Standard Type: 5-speed Automatic Model: ZF 5HP30 Features Shift Modes: Standard, Sport (S/M toggle) Fluid Specifications Transmission Fluid Type: BMW ATF LT-2 (or equivalent Dexron III/Mercon) Fluid Capacities Transmission Fluid Capacity: Approx. 10-12 liters (total capacity) 📐 Dimensions Exterior Length: 199.1 inches (5057 mm) Width: 73.3 inches (1862 mm) Height: 56.5 inches (1435 mm) Wheelbase: 119.7 inches (3040 mm) Weights Curb Weight: 4475 lbs (2030 kg) Gross Vehicle Weight Rating: 5666 lbs (2570 kg) 🛡️ Safety Features Ratings NHTSA Front Crash Test: Not Directly Rated in Modern Standards, but designed to high safety standards of the era Active Features Traction Control: Automatic Stability Control (ASC+T) Braking System: Anti-lock Braking System (ABS) Passive Features Airbags: Front Driver and Passenger Airbags, Optional Side Airbags Seat Belts: Pre-tensioned front seat belts, Three-point rear seat belts 💡 Technology Features Infotainment Head Unit: BMW Professional RDS Radio/Cassette Player with CD Changer option Navigation: Optional BMW Navigation System (MkII or MkIII) Driver Assistance Parking Sensors: Optional Park Distance Control (PDC) Cruise Control: Standard electronic cruise control Connectivity Cellular: Optional integrated car phone Comfort Features Climate Control: Dual-zone automatic climate control, often with rear climate controls Seats: Electrically adjustable front seats with memory, heated seats, optional orthopedic/comfort seats 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 7,500-10,000 miles or as indicated by the Condition Based Service (CBS) system Major Service Intervals: Spark plugs (approx. 60,000 miles), Coolant flush (approx. 30,000-40,000 miles), Transmission fluid service (check manual, often around 50,000-100,000 miles) Fluid Specifications Engine Oil Type: BMW Longlife-98 approved synthetic oil (e.g., 5W-40 or 10W-40 depending on climate) Engine Oil Capacity: Approx. 7.5 liters (with filter) Coolant Type: BMW Blue Antifreeze/Coolant (G48) Brake Fluid Type: DOT 4 Power Steering Fluid: Pentosin CHF 11S (or equivalent hydraulic fluid) Known Issues Common Wear Items: Cooling system components (hoses, water pump, expansion tank), VANOS system, ignition coils, fuel pump, door seal degradation Electrical Gremlins: Common in older luxury cars, often related to aging wiring harnesses, sensor failures, or module issues (e.g., ABS module, LCM) Vibration Issues: Can be related to driveshaft U-joints, guibos, engine mounts, or wheel balancing Oil Leaks: Valve cover gaskets, oil pan gaskets, front/rear main seals 📚 Vehicle History Brand Heritage Bmw Philosophy: Ultimate Driving Machine, focus on performance, luxury, and engineering excellence Model Evolution E38 Introduction: Introduced in 1994 as the successor to the E32 E38 Positioning: Flagship luxury sedan, known for advanced technology and refinement Production Production Years: 1994-2001 Manufacturing Location: Germany...