🏷️ Basic Information Identification Make: BMW Model: 5-Series Chassis Code: E28 Variant: 535i Model Years Covered: 1985-1988 👋 Introduction Market Position Segment: Luxury Executive Sedan Bmw Positioning: BMW's flagship sedan offering a blend of performance, luxury, and advanced engineering for its era. Competitive Analysis Key Competitors: Mercedes-Benz W124 E-Class, Audi 100/200, Jaguar XJ, Cadillac DeVille Key Features Engine Emphasis: Renowned for its powerful and smooth M30 straight-six engine. Handling Dynamics: Balanced chassis and independent suspension providing excellent road holding. Build Quality: Exceptional build quality and durability, characteristic of BMW engineering. Advanced Technology: Introduction of advanced electronics like ABS and Motronic fuel injection for the time. 📋 Manual Details Coverage Areas Manual Type: Full Service Repair Manual Language: English Format: PDF Delivery: Instant Download Printability: Full Printable Zoom Capability: YES Requirements: Adobe PDF Reader, WinZip Compatibility: All Versions of Windows & Mac 📖 Manual Coverage Systems Covered Engine Mechanical: Complete disassembly, inspection, and reassembly of M30 engine (3.5L I6) Engine Management: Bosch Motronic fuel injection and ignition system diagnosis and repair Transmission Manual: Service and repair of Getrag 260 5-speed manual transmission Transmission Automatic: Service and repair of ZF 4HP22 4-speed automatic transmission Drivetrain: Driveshaft, differential, axle shafts, and wheel bearings Suspension: Front and rear suspension components, alignment, shock absorbers, springs, bushings Steering: Power steering system, steering gear, steering column Brakes: Front and rear disc brakes, ABS system diagnosis and repair Electrical System: Comprehensive wiring diagrams, component testing, starter, alternator, battery Cooling System: Radiator, water pump, thermostat, fan, hoses Fuel System: Fuel pump, fuel injectors, fuel pressure regulator, fuel filter Exhaust System: Exhaust manifold, catalytic converter, mufflers HVAC: Heating, ventilation, and air conditioning system service Body And Chassis: Body panel removal and installation, door mechanisms, windows, interior trim Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, tune-ups Troubleshooting: System-by-system diagnostic flowcharts and fault finding Repair: Step-by-step instructions for component replacement and repair Disassembly Reassembly: Detailed instructions for complete vehicle disassembly and reassembly Torquing Procedures: Specific torque values for critical fasteners Alignment Specifications: Wheel alignment angles and adjustments Electrical Diagnostics: Testing of sensors, actuators, relays, and control modules Brake Bleeding: Procedure for bleeding hydraulic brake systems, including ABS Technical Depth Depth Level: Comprehensive: Covers everything from basic maintenance to complete engine and transmission rebuilds Target Audience: Professional mechanics and experienced DIY enthusiasts 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text within PDF Print Quality Print Resolution: High-resolution, suitable for professional printing Binding Type Binding Options: Digital (Downloadable), Print-ready for binding Paper Type Recommended Paper: Heavyweight, glossy paper recommended for diagrams and longevity ⚙️ Engine Specifications Primary Engine Engine Code: M30B35 Engine Type: SOHC Inline 6-cylinder, naturally aspirated Displacement: 3430 cc (3.4 Liters) Bore X Stroke: 92.0 mm x 86.0 mm Compression Ratio: 8.0:1 or 8.5:1 (depending on market/year) Performance Horsepower: Approx. 208-211 hp @ 5700 rpm (DIN) Torque: Approx. 224-230 lb-ft (304-312 Nm) @ 4000 rpm (DIN) Fuel System Fuel Delivery: Bosch Motronic ML/LE-Jetronic fuel injection Fuel Type: Premium Unleaded Gasoline (91+ Octane) Ignition System Ignition Type: Electronic ignition (Bosch Motronic) 🔧 Transmission Standard Type: Getrag 260 5-speed manual transmission Optional Type: ZF 4HP22 4-speed automatic transmission Features Manual Clutch: Hydraulically operated clutch Automatic Features: Lock-up torque converter, sport/economy mode selector 📐 Dimensions Exterior Length: 4700-4750 mm (185.0-187.0 in) Width: 1700-1770 mm (66.9-69.7 in) Height: 1400-1420 mm (55.1-55.9 in) Wheelbase: 2795 mm (110.0 in) Weights Curb Weight: Approx. 1450-1550 kg (3197-3417 lbs) 🛡️ Safety Features Ratings NHTSA Ratings: No specific NHTSA ratings publicly available for this model year in all markets, but generally considered a safe vehicle for its era. Active Features ABS: Standard Anti-lock Braking System (ABS) Traction Control: Optional ASC (Automatic Stability Control) on some models. Passive Features Airbags: Driver airbag was optional or standard depending on the market and model year, passenger airbag not available. Seatbelts: 3-point seatbelts with pretensioners, primarily for front occupants. Chassis Design: Reinforced safety cage, crumple zones. 💡 Technology Features Infotainment Audio System: Factory fitted AM/FM stereo with cassette player, often with amplifier and equalizer options. Climate Control: Manual or automatic climate control systems. Driver Assistance Cruise Control: Standard on most 535i models. Connectivity Exterior Features: Power adjustable mirrors, heated mirrors (optional). 🔧 Maintenance Service Intervals Oil Change Interval: Every 7,500-10,000 miles (12,000-16,000 km) or annually, whichever comes first. Check manual for specific recommendations. Spark Plug Replacement: Typically every 30,000 miles (48,000 km) for standard plugs, longer for platinum/iridium. Coolant Flush: Every 2-3 years or 30,000 miles (48,000 km). Timing Belt Replacement: The M30 engine uses a timing chain, not a belt, which typically requires inspection but not regular replacement unless issues arise. Fluid Specifications Engine Oil: SAE 15W-40 or 10W-40 (API SG or higher). Consult manual for precise OEM recommendation. Engine Oil Capacity: Approx. 6.5 liters (6.8 US quarts) with filter change. Coolant: BMW Blue coolant or equivalent (50/50 mix...