🏷️ Basic Information Identification Make: BMW Model: 535i Model Designation: E28 Year: 1986 Codes Chassis Code: E28 Engine Code Primary: M30B34 👋 Introduction Market Position Segment: Executive Sedan / Luxury Sports Sedan Competitors 1986: Mercedes-Benz W124 E-Class, Audi V8, Jaguar XJ6, Cadillac Seville Competitive Analysis Strengths Of E28 535I: Sporting dynamics, refined inline-six engine, robust build quality, advanced (for the era) technology like ABS Key Features Powertrain: Legendary M30 inline-six engine, sophisticated suspension, available ABS Design Philosophy: German engineering, driver-focused, understated luxury 📋 Manual Details Coverage Areas Markets Covered: Global (all models/engines/trim/transmission types) Regions Covered: North America, Europe, Asia Page Count Estimated Page Count: 1000+ Manual Type Type: Workshop Repair Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Systems: Engine mechanical, fuel injection (L-Jetronic), ignition system, cooling system, exhaust system, lubrication system, engine management system Transmission Systems: Manual transmission (Getrag 260), Automatic transmission (ZF 4HP22), clutch system, driveshafts, differentials Chassis Systems: Suspension (front struts, rear independent suspension, control arms, shock absorbers), steering system (power steering), braking system (ABS, front vented discs, rear discs), wheels and tires Electrical Systems: Wiring diagrams, battery, alternator, starter, lighting, instruments, power accessories, ECU, sensors, diagnostics Body Systems: Body construction, exterior panels, doors, windows, sunroof, interior trim, HVAC system, seats Procedures Included Maintenance Procedures: Scheduled maintenance, oil changes, filter replacements, fluid checks and top-offs, spark plug replacement, belt inspection and replacement Repair Procedures: Engine overhaul, transmission rebuild, brake caliper replacement, suspension component replacement, electrical component repair, body panel repair Troubleshooting: Diagnostic procedures, symptom-based troubleshooting guides, fault code interpretation (where applicable) Diagnostics: On-board diagnostics (OBD), component testing, circuit diagnosis Technical Depth Depth: Comprehensive (from basic maintenance to complete engine and transmission rebuilds) Detail Level: Detailed step-by-step instructions with torque specifications, diagrams, and specifications 📊 Manual Specifications File Format PDF Quality: High resolution, searchable text Printability: Printable pages Binding Type Binding: N/A (Digital PDF) Paper Type Paper Quality: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Inline-6 Cylinder, DOHC (Double Overhead Camshaft) Engine Code: M30B34 Displacement: 3.4 Liters (3,210 cc) Bore X Stroke: 92.0 mm x 86.0 mm Performance Horsepower: 182 hp @ 5,500 rpm Torque: 225 lb-ft @ 3,250 rpm Fuel System Fuel Delivery: Bosch L-Jetronic Fuel Injection Fuel Type: Unleaded Gasoline (Premium Recommended) Engine Management ECM: Bosch Motronic (likely combination fuel/ignition control) 🔧 Transmission Standard Type: Getrag 260 5-Speed Manual Optional Type: ZF 4HP22 4-Speed Automatic Features Manual Gear Ratios Final Drive: Gear ratios vary by market/diff ratio. Common final drive: 3.25:1 or 3.46:1 Automatic Features: Lock-up torque converter, Sport/Economy modes 📐 Dimensions Exterior Length: 186.4 inches (4,735 mm) Width: 69.3 inches (1,760 mm) Height: 55.1 inches (1,400 mm) Wheelbase: 104.3 inches (2,650 mm) Weights Curb Weight Manual: Approx. 3,450 lbs (1,565 kg) Curb Weight Automatic: Approx. 3,550 lbs (1,610 kg) 🛡️ Safety Features Ratings NHTSA Crash Test Rating: Not rated under modern NHTSA standards Active Features ABS: Standard (Bosch ABS II) Passive Features Airbags: Driver-side airbag (optional, standard on late models) Seat Belts: Three-point front and rear seat belts Crumple Zones: Designed with energy-absorbing front and rear crumple zones 💡 Technology Features Infotainment Audio System: Factory AM/FM Cassette Player, optional premium sound system Climate Control: Manual or optional Automatic Climate Control (ACC) with digital display Driver Assistance Cruise Control: Standard Parking Assistance: None (rear park sensors not available) 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000-7,500 miles or 6-12 months, depending on driving conditions. Major Tune Up Interval: Approximately 30,000-50,000 miles (spark plugs, filters, ignition components) Fluid Specifications Engine Oil Type: SAE 15W-40 or 10W-40 (API SG/SH) - Refer to manual for specific recommendations Engine Oil Capacity: 6.5 US Quarts (6.2 Liters) with filter Coolant Type: BMW Coolant (Ethylene Glycol based) mixed 50/50 with distilled water Transmission Fluid Manual: GL-4 or GL-5 Gear Oil (e.g., 75W-90) Transmission Fluid Automatic: Dexron II or equivalent ATF Brake Fluid Type: DOT 3 or DOT 4 Known Issues Engine Common Issues: Oil leaks from valve cover and oil pan gaskets, timing chain wear (rare but possible), fuel distributor issues (L-Jetronic) Cooling System Common Issues: Radiator leaks, thermostat failures, heater core leaks (leading to interior water ingress) Suspension Common Issues: Worn control arm bushings, sagging springs, worn shock absorbers, strut mount failures Electrical Common Issues: Corroded wiring connectors, failing alternator, ignition coil issues, starter motor problems, dashboard warning light failures ABS System Common Issues: ABS sensor failures, ABS control unit issues, intermittent operation 📚 Vehicle History Brand Heritage Bmw Philosophy: Bayerische Motoren Werke AG, founded 1916, known for performance, engineering, and luxury. Model Evolution E28 Generation: Second generation of the BMW 5 Series (G28 platform), produced from 1981 to 1987. The 535i replaced the 533i. E28 535I Introduction: Introduced in 1985 for the 1985 model year, featuring the larger M30B34 engine. Production Manufacturing Location: Dingolfing, Germany Production Years: 1981-1987 (E28...