🏷️ Basic Information Identification Make: BMW Model: M535i Chassis Code: E28 Product Type: Service Repair Workshop Manual 👋 Introduction Market Position Era: The E28 generation represented BMW's focus on sporting luxury sedans in the mid-1980s. Usp: The M535i was the performance-oriented variant of the E28, offering enhanced handling and power for a more engaging driving experience. Competitive Analysis Competitors: Competed with other premium performance sedans of the era, such as the Mercedes-Benz 190E 2.3-16 Cosworth and some Jaguar XJ models. Key Features Performance Focus: Emphasis on driver engagement through responsive handling and a powerful engine. Build Quality: Renowned BMW build quality and robust engineering. Heritage: Carried the M-division DNA, hinting at future M5 models. 📋 Manual Details Coverage Areas Applicable Years: 1985, 1986, 1987, 1988 Model Variants Covered: M535i (all E28 variants with M30 engine) Page Count Estimated Page Count: Over 1000 pages (typical for comprehensive factory-style manuals) Manual Type Manual Type: Factory-Type Service Repair Workshop Manual Language Language: English Format Format: PDF (Digital Download) 📖 Manual Coverage Systems Covered Engine: M30B34 (3.4L Inline-6), including lubrication, cooling, fuel injection (Bosch Motronic), ignition, exhaust, and emissions Transmission: Getrag 265 (5-speed manual), clutch system, driveline, and differential Brakes: Front vented discs, rear solid discs, ABS (Anti-lock Braking System), hydraulic system, and parking brake Suspension: Front MacPherson struts, rear semi-trailing arms, springs, shock absorbers, bushings, and steering components Electrical: Complete wiring diagrams, battery, alternator, starter, lighting, instrumentation, power accessories, and fuse/relay locations Body: Exterior body panels, doors, windows, sunroof, bumpers, interior trim, and corrosion protection HVAC: Heating, ventilation, air conditioning system components and service Chassis: Frame, subframes, and mounting points Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, tune-ups, and inspections Repair: Engine overhaul, transmission rebuild, brake system repair, suspension component replacement, electrical diagnostics, and bodywork repairs Troubleshooting: Diagnostic procedures for common faults and system malfunctions, including symptom-based troubleshooting charts Diagnostics: Detailed diagnostic procedures for fuel injection, ignition, ABS, and other electronic systems Technical Depth Depth: Comprehensive, covering everything from basic fluid checks to complete engine and transmission rebuilds Target Audience: Professional mechanics, experienced DIY enthusiasts, and BMW owners seeking in-depth repair knowledge 📊 Manual Specifications File Format File Format: PDF Searchability: Searchable text for quick information retrieval Print Quality Printability: Printable pages for on-the-job reference Image Resolution: High-resolution images and diagrams Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code: M30B34 Engine Type: Naturally aspirated, inline 6-cylinder, SOHC Displacement: 3430 cc (3.4 Liters) Performance Horsepower: 218 hp @ 5700 rpm (DIN) Torque: 290 Nm (214 lb-ft) @ 4000 rpm (DIN) Fuel System Fuel Delivery: Bosch L-Jetronic or Motronic fuel injection system Fuel Type: Unleaded gasoline (Premium) Cooling System Cooling Type: Water-cooled, pressurized system Ignition System Ignition Type: Electronic ignition with knock control (Motronic) 🔧 Transmission Standard Transmission Type: Getrag 265 (5-speed manual) Optional Transmission Type: ZF 4HP22 (4-speed automatic) was optional on some E28 models, though less common on M535i Features Manual Gear Ratios: Specific ratios for the Getrag 265 would be detailed in the manual, offering close ratios for spirited driving. Fluid Specification Manual Transmission Fluid: BMW approved synthetic gear oil (e.g., Castrol SAF-XJ or equivalent GL-5 spec) Clutch Clutch Type: Hydraulically operated single dry plate clutch 📐 Dimensions Exterior Length: Approximately 4620 mm (181.9 inches) Width: Approximately 1700 mm (66.9 inches) Height: Approximately 1415 mm (55.7 inches) Wheelbase: Approximately 2625 mm (103.3 inches) Weights Curb Weight: Approximately 1460 kg (3219 lbs) Gross Vehicle Weight Rating: Varies by region and specific equipment, typically around 1900 kg 🛡️ Safety Features Ratings Crash Test Data: Official crash test data for this specific model and era may be limited compared to modern standards. The manual will focus on structural integrity and component safety. Active Features ABS: Standard Bosch ABS system for enhanced braking control Suspension Tuning: Sport-tuned suspension and limited-slip differential (LSD) for improved stability and traction. Passive Features Seatbelts: Three-point inertia-reel seatbelts Headrests: Front and rear headrests Body Structure: Reinforced safety cage structure, crumple zones 💡 Technology Features Infotainment Audio System: Factory BMW cassette radio, often with amplifier options. Features: Basic climate controls, analog instrumentation. Driver Assistance ABS: Anti-lock Braking System (ABS) was a significant technology for its time. Connectivity Connectivity Options: No modern connectivity features like Bluetooth or USB; primarily focused on core vehicle functions. 🔧 Maintenance Service Intervals Oil Change: Typically every 5,000-7,500 miles or 6-12 months, depending on driving conditions and oil type. Spark Plugs: Refer to manual for specific intervals and types, often around 30,000 miles for platinum plugs. Timing Belt Chain: M30 engine uses a timing chain, requiring no scheduled replacement but regular inspection for wear and tension. Fluid Specifications Engine Oil: API SG or higher, SAE 15W-40 or 20W-50 recommended depending on climate. Check manual for exact specifications and capacity (approx. 6.5 liters). Coolant:...