The BMW 540i, part of the E34 generation, represents a significant era for the marque, produced between 1989 and 1995. This model is renowned for its blend of performance and luxury, featuring a robust 4.0-liter V8 engine (M60B40) that delivered approximately 282 horsepower. Characterized by refined styling and advanced technology for its time, the 540i was engineered to embody BMW's philosophy of "The Ultimate Driving Machine." Its design prioritized driving dynamics, comfort, and a premium experience, making it a benchmark in the executive sedan segment. This comprehensive factory service and repair manual provides detailed guidance for owners, DIY enthusiasts, and professional mechanics. It covers a wide array of systems, including engine service and repair, transmission maintenance, brake systems, electrical diagnostics, suspension, steering, cooling, fuel injection, and HVAC. The manual offers step-by-step instructions, troubleshooting guides, detailed wiring diagrams, and extensive illustrations to facilitate accurate maintenance and repair. Its professional-level depth ensures that users can effectively service and maintain their 1989-1995 BMW 540i, from routine tasks to complex overhauls, ultimately saving labor costs and preserving vehicle integrity. 🏷️ Basic Information Identification Make: BMW Model: 540i Model Variant: 540 Model Years Covered: 1989, 1990, 1991, 1992, 1993, 1994, 1995 Generation Chassis Code: E34 Codes Engine Code General: M60B40 👋 Introduction Market Position Target Audience: BMW 540/540i owners, DIY enthusiasts, professional mechanics Competitive Analysis Authenticity: Genuine factory service manual, not a third-party reproduction Key Features Value Proposition: Saves significant labor costs by enabling owner maintenance and repair Accessibility: Easy to search and print specific sections, no advanced computer skills required 📋 Manual Details Coverage Areas Overall Coverage: Comprehensive factory service and repair Page Count Estimated Page Count: Hundreds (specific count not provided, but implied to be extensive) Manual Type Type: Factory Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Service Repair: Complete engine service, repair, and overhaul procedures Transmission Service Repair: Service and repair for both automatic and manual transmissions (if applicable to model year) Brake System: Diagnosis, repair, and maintenance of all brake components, including ABS Wiring Diagram: Detailed electrical wiring diagrams for all systems Electrical System: Comprehensive coverage of the vehicle's electrical system, including diagnosis and repair Suspension: Service and repair for front and rear suspension components Steering: Diagnosis and repair of the steering system, including power steering Cooling System: Maintenance and repair of the cooling system, including radiators and thermostats Fuel Injection Fuel System: Service and repair of the fuel injection system and fuel delivery components Emission System: Coverage of emission control systems and related components Heater Air Conditional: Diagnosis and repair of the HVAC system Engine Control System: Detailed information on the Engine Control Unit (ECU) and related sensors/actuators Chassis Body: Repair and maintenance procedures for the chassis and body panels Restraint System: Information on airbags and seatbelt systems Interior: Repair and maintenance of interior components and trim Differential Drive: Service and repair of the differential and drivetrain components Axle: Repair and maintenance of the drive axles Procedures Included General Maintenance: Routine maintenance tasks and schedules Troubleshooting: Advanced troubleshooting guides and diagnostic procedures Periodic Lubrication: Detailed lubrication points and schedules Illustrations Diagrams Photos: Extensive use of illustrations, diagrams, and photos for visual guidance Step By Step Instructions: Detailed, numbered step-by-step instructions for all repair procedures Rebuild Procedures: Comprehensive procedures for rebuilding major components Tune Up Procedures: Detailed tune-up procedures and specifications Technical Depth Depth: Professional level, covering everything from basic maintenance to complete rebuilds and diagnostics 📊 Manual Specifications File Format Compatibility: Compatible with all PC-based Windows operating systems and Mac Print Quality Printability: Fully printable, allowing users to print specific pages or the entire manual Binding Type Delivery Method: Digital download link provided after payment Paper Type Digital Storage: Can be saved to hard drive or burned to CD-ROM Software Requirements Reader Requirement: Adobe PDF Reader ⚙️ Engine Specifications Primary Engine Engine Type: V8, naturally aspirated Engine Displacement: 4.0 Liters (3982 cc) Engine Code: M60B40 Performance Horsepower Approximate: 282 hp @ 5800 rpm (approximate, varies slightly by year/region) Torque Approximate: 295 lb-ft @ 4500 rpm (approximate, varies slightly by year/region) Fuel System Fuel Delivery: Electronic Fuel Injection (EFI) Fuel Type: Premium Unleaded Gasoline 🔧 Transmission Standard Transmission Type Standard: 5-speed Automatic (e.g., 5HP30) Optional Transmission Type Optional: 5-speed Manual (less common on 540i, more common on 535i for this generation, but historically available) Features Automatic Transmission Features: Features like Steptronic may be present in later years 📐 Dimensions Exterior Body Styles: 4-door Sedan Wheelbase: 111.4 inches (2830 mm) Length: 191.1 inches (4854 mm) Width: 70.5 inches (1791 mm) Height: 55.7 inches (1415 mm) Weights Curb Weight: Approximately 3800-4000 lbs (1724-1814 kg), depending on options 🛡️ Safety Features Ratings Crash Test Data: NHTSA/IIHS data for this era may be limited; manual provides repair procedures for safety systems. Active Features ABS: Anti-lock Braking...