The BMW M535i E28, produced from 1985 to 1988, represents a significant chapter in BMW's performance sedan heritage. As a sport-tuned variant of the E28 generation, it offered a compelling blend of executive comfort and dynamic capability, bridging the gap between standard 5 Series models and the legendary M5. Featuring a robust 3.4-liter inline-six engine, sport-tuned suspension, and optional limited-slip differential, the M535i was engineered for an engaging driving experience, embodying BMW's commitment to performance and engineering excellence that cemented its reputation as "The Ultimate Driving Machine." This comprehensive workshop manual serves as an essential resource for maintaining and repairing your BMW M535i E28. It meticulously covers all major systems, including the M30B34 engine, manual and automatic transmissions, chassis, suspension, brakes, and the complete electrical system. Within its pages, you will find detailed procedures for routine maintenance, in-depth engine and transmission repairs, brake system servicing, suspension and steering work, and electrical diagnostics. The manual also provides crucial troubleshooting guides, technical specifications, and wiring diagrams, empowering owners and technicians to ensure the longevity and optimal performance of this classic vehicle. 🏷️ Basic Information Identification Make: BMW Model: M535i Generation: E28 Years Covered: 1985-1988 👋 Introduction Market Position Positioning: The BMW M535i E28 was a high-performance variant of the executive E28 sedan, bridging the gap between the standard 5 Series and the legendary M5. It offered enhanced power and handling for discerning drivers. Competitive Analysis Competitors: Mercedes-Benz 300E, Audi 100 Quattro, Jaguar XJ6, Volvo 760. Key Features Performance Enhancements: Sport-tuned suspension, limited-slip differential, larger wheels, aerodynamic aids, upgraded braking system. Manual Value Proposition Quality Assurance: Guaranteed complete, no missing pages, superior to cheaper, incomplete alternatives. Focus on accuracy and thoroughness for correct first-time repairs. 📋 Manual Details Coverage Areas Primary Focus: Service, Repair, Maintenance, Diagnostics Secondary Focus: Troubleshooting, Specifications, Wiring Diagrams Page Count Estimated Pages: Over 1000 (typical for comprehensive workshop manuals of this era) Manual Type Type: Workshop Manual / Service Repair Manual Language Language: English Format Format: Digital (likely PDF, common for modern reprints) 📖 Manual Coverage Systems Covered Engine: M30B34 (3.4L Inline-6), including fuel injection (L-Jetronic), ignition, cooling, lubrication, emissions control. Transmission: Getrag 265 (5-speed manual), ZF 4HP22 (4-speed automatic), clutch, driveshaft, differential. Chassis And Suspension: Front MacPherson struts, rear semi-trailing arms, shock absorbers, springs, anti-roll bars, power steering system. Brakes: Front and rear disc brakes (solid or ventilated depending on spec), ABS system (if equipped), brake hydraulics, parking brake. Electrical System: Battery, alternator, starter, lighting, ignition system, fuel injection control unit (ECU), dashboard instruments, power windows, central locking, radio. Bodywork And Interior: Body panel removal and installation, door mechanisms, trim, seats, climate control system (HVAC), sound insulation. Wiring Diagrams: Comprehensive color-coded wiring diagrams for all major electrical systems. Procedures Included Routine Maintenance: Oil changes, filter replacements (oil, air, fuel), spark plug replacement, fluid checks and top-offs, brake inspections, tire rotation. Engine Repair: Top-end overhaul (cylinder head), bottom-end overhaul (crankshaft, bearings), piston and ring replacement, valve adjustment (if applicable), timing belt/chain replacement (if applicable). Transmission Service: Fluid and filter changes (automatic), clutch replacement (manual), transmission overhaul. Brake System Repair: Pad and rotor replacement, caliper rebuild, master cylinder replacement, bleeding the brake system, ABS component diagnosis and replacement. Suspension And Steering Repair: Shock absorber replacement, ball joint replacement, tie rod end replacement, steering rack repair or replacement. Electrical Diagnostics: Troubleshooting electrical faults using wiring diagrams, component testing, ECU diagnosis. Climate Control Service: Refrigerant recharge, component replacement (compressor, condenser, evaporator), blower motor diagnosis. Body And Trim Repair: Panel alignment, rust repair techniques, interior component installation and removal. Troubleshooting Guides: Systematic approaches to diagnosing common and uncommon problems with symptom-based fault finding. Technical Depth Depth: Comprehensive. Covers everything from basic fluid changes to complete engine and transmission rebuilds. Includes detailed diagnostic procedures and specifications. 📊 Manual Specifications File Format Digital Format: PDF Searchability: Searchable text (if digitally produced with OCR) Print Quality Quality Description: High-resolution scans ensuring clarity of text and diagrams. Binding Type Binding Type: N/A (Digital) Paper Type Paper Type: N/A (Digital) ⚙️ Engine Specifications Primary Engine Engine Code: M30B34 Configuration: 3.4 Liter (3210 cc) SOHC Inline-6 Performance Horsepower: Approx. 218 hp (163 kW) at 5400 rpm (DIN) Torque: Approx. 229 lb-ft (310 Nm) at 3600 rpm (DIN) Fuel System Fuel Delivery: Bosch L-Jetronic Fuel Injection Fuel Type: Unleaded Premium Gasoline (91 Octane or higher recommended) Ignition System Ignition Type: Distributor-based electronic ignition Cooling System Cooling Medium: Water-cooled 🔧 Transmission Standard Transmission Type: Getrag 265 5-Speed Manual Optional Transmission Type: ZF 4HP22 4-Speed Automatic Features Differential: Standard Limited-Slip Differential (LSD) Fluid Specifications Manual Transmission Fluid: API GL-4 SAE 75W-90 or SAE 80W-90 (refer to manual for specific BMW PN) Automatic Transmission Fluid: Dexron II (or equivalent specification ATF) 📐 Dimensions Exterior Wheelbase: Approx. 104.1 inches (2644 mm) Length: Approx. 191.2 inches (4856 mm) Width: Approx. 68.5 inches (1740 mm) Height:...