🏷️ Basic Information Identification Make: BMW Model: 5 Series Generation E-Code: E28 / E34 Codes Applicable Model Years: 1981-1991 👋 Introduction Market Position Target Audience: DIY enthusiasts, independent repair shops, and professional mechanics working on BMW E28/E34 models. Competitive Analysis Value Proposition: Provides access to professional-level repair information, saving significant costs compared to dealership service. Key Features Ease Of Use: PDF format allows for easy searching, zooming, and printing of specific sections. Completeness: Covers all major repair and maintenance aspects of the specified BMW 5 Series generations. Professional Standard: Based on the same type of documentation used by BMW dealerships and certified technicians. 📋 Manual Details Coverage Areas Covered Models: All BMW 5 Series E28 and E34 variants Page Count Estimated Page Count: Extensive (typically 1000+ pages for full workshop manuals) Manual Type Manual Type: Service and Repair Workshop Manual Language Language: English Format Format: PDF File Format File Format: PDF Print Quality Print Quality: High-resolution scans of original documentation, ensuring clarity of text and diagrams. Binding Type Binding Type: N/A (Digital PDF format) Paper Type Paper Type: N/A (Digital PDF format) 📖 Manual Coverage Systems Covered Engine Mechanical: Detailed procedures for all engine variants, including disassembly, inspection, reassembly, timing, and diagnostics. Engine Management & Fuel System: EFI (Electronic Fuel Injection) systems, fuel pumps, injectors, sensors, ECU diagnostics, emission controls. Transmission (Manual & Automatic): Repair, overhaul, and adjustment procedures for both manual and automatic transmissions, including clutch service, torque converter, and transmission control. Drivetrain & Axles: Driveshafts, CV joints, differential, rear axle repair, and wheel bearing service. Suspension System: Front and rear suspension components, shock absorbers, springs, control arms, bushings, wheel alignment specifications. Braking System: Hydraulic system, disc and drum brake service, ABS (Anti-lock Braking System) diagnostics and repair, parking brake. Steering System: Power steering system components, steering rack/box, tie rods, and steering column service. Electrical System: Wiring diagrams for all circuits, battery, alternator, starter, lighting, ignition system, instrument cluster, and power accessories. Body & Chassis: Body panel repair, door mechanisms, glass replacement, seals, structural components, and corrosion prevention. HVAC System: Heating, Ventilation, and Air Conditioning system service, refrigerant handling, component replacement. Interior & Upholstery: Trim removal, seat repair, dashboard disassembly, and interior component service. Procedures Included Routine Maintenance: Oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspections. Troubleshooting & Diagnostics: Systematic diagnostic procedures for common and uncommon issues, fault code interpretation (where applicable). Component Overhaul: Detailed step-by-step instructions for rebuilding major components like engines, transmissions, and differentials. Electrical Component Repair: Diagnosis and repair of starters, alternators, ECUs, sensors, wiring harnesses, and power accessories. Brake System Service: Pad and rotor replacement, caliper overhaul, brake bleeding, ABS component testing. Suspension & Steering Repair: Replacement of ball joints, control arms, bushings, tie rods, and power steering pump. Bodywork & Panel Replacement: Instructions for replacing fenders, hoods, doors, bumpers, and associated trim. Technical Depth Depth Of Coverage: Comprehensive, from basic maintenance to complete engine and transmission rebuilds, including advanced electrical diagnostics. Diagnostic Tools: References to specialized tools and diagnostic procedures used by professionals. Torque Specifications: Precise torque values for all critical fasteners. Clearances & Tolerances: Detailed specifications for engine clearances, bearing tolerances, and other critical measurements. ⚙️ Engine Specifications Primary Engine E28 Engine Options: M30 Series (e.g., 3.2L/3.4L), M20 Series (e.g., 2.5L, 2.7L 'eta') E34 Engine Options: M30 Series (e.g., 3.5L), M20 Series (e.g., 2.5L), M50 Series (e.g., 2.0L, 2.5L, 3.0L, 3.5L - VANOS on later models) Performance Typical Horsepower Range: 125 hp (M20 eta) to 315 hp (M50B35/M88 E28 M5) Typical Torque Range: 180 Nm (M20 eta) to 360 Nm (M50B35) Fuel System Fuel Delivery System: Bosch L-Jetronic, Motronic EFI (Electronic Fuel Injection) across various models and years. Fuel Type: Unleaded Gasoline 🔧 Transmission Standard E28 Standard Transmission: 4-speed or 5-speed Manual E34 Standard Transmission: 5-speed Manual (Getrag 260/5, 265/5) Optional E28 Optional Transmission: 3-speed or 4-speed Automatic E34 Optional Transmission: 4-speed Automatic (ZF 4HP22, 4HP24), 5-speed Automatic (Steptronic on later models) Features Transmission Fluid Specification: Dexron III or equivalent for automatic transmissions, BMW MTF LT-2 or equivalent for manual transmissions (refer to specific vehicle for exact spec). 📐 Dimensions Exterior E28 Wheelbase: Approx. 2,795 mm (110.0 in) E34 Wheelbase: Approx. 2,760 mm (108.7 in) (Standard), 2,893 mm (113.9 in) (Touring/LWB) E28 Length: Approx. 4,750 mm (187.0 in) E34 Length: Approx. 4,720 mm (185.8 in) (Saloon), 4,755 mm (187.2 in) (Touring) Weights E28 Curb Weight: Approx. 1,400 - 1,600 kg (3,086 - 3,527 lb) E34 Curb Weight: Approx. 1,500 - 1,750 kg (3,307 - 3,858 lb) Cargo E28 Trunk Capacity: Approx. 480 liters (17.0 cu ft) E34 Trunk Capacity (Saloon): Approx. 520 liters (18.4 cu ft) 🛡️ Safety Features Ratings Safety Standards: Designed to meet evolving safety standards of the 1980s and early 1990s. Active Features ABS: Anti-lock Braking System available on many models. Traction Control: ASC (Automatic...