🏷️ Basic Information Identification Make: BMW Model: 535i Model Code: E28 Generation Generation Name: Second Generation 5 Series Generation Years: 1981-1988 (E28 chassis) Codes Chassis Code: E28 👋 Introduction Market Position Segment: Luxury Executive Sedan Era: Mid-to-late 1980s Competitive Analysis Competitors: Mercedes-Benz W124, Audi 100/200, Volvo 700 Series, Jaguar XJ Key Features Design Philosophy: German engineering, driver-focused ergonomics, robust build quality, refined performance Target Audience: Affluent professionals, driving enthusiasts 📋 Manual Details Coverage Areas Years Covered: 1985, 1986, 1987, 1988 Page Count Estimated Page Count: Detailed (typical for BMW factory manuals of this era, likely 1000+ pages) Manual Type Type: Factory Service Manual / Workshop Manual Language Language: English Format Format: Digital (likely PDF), searchable 📖 Manual Coverage Systems Covered Powertrain: Engine (M30 inline-six, including fuel injection, ignition, cooling, lubrication), Transmission (manual and automatic), Drivetrain (driveshaft, differential, axles) Chassis: Suspension (front strut, rear semi-trailing arm), Steering (power assisted), Brakes (ABS, disc brakes front and rear), Wheels and Tires Electrical: Wiring diagrams, fuse box layout, lighting, instrumentation, starting and charging system, power windows, mirrors, locks, climate control electronics Bodywork: Body panels, doors, hood, trunk, glass, interior trim, bumpers, seals Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks and changes, tune-ups, belt replacement Troubleshooting: Diagnostic procedures, common faults and their remedies, symptom-based troubleshooting guides Repair: Component removal and installation, overhaul procedures, adjustments, torque specifications Diagnostics: Engine management system diagnosis, ABS system diagnosis, electrical system fault finding Technical Depth Depth: Comprehensive from basic checks to major overhauls and diagnostics, suitable for professional technicians and advanced DIY enthusiasts 📊 Manual Specifications File Format File Format: PDF Print Quality Quality: High-resolution scans of original factory documentation, ensuring clarity of text and diagrams Binding Type Binding: Not Applicable (Digital) Paper Type Paper: Not Applicable (Digital) ⚙️ Engine Specifications Primary Engine Engine Code And Type: M30B34: 3.4-liter (3277 cc) inline-six SOHC Performance Horsepower: 182 hp @ 5500 rpm (US Spec) Torque: 214 lb-ft @ 3000 rpm (US Spec) Fuel System Injection System: Bosch L-Jetronic (later models may have Motronic) Fuel Type: Unleaded gasoline (premium recommended) Cooling System Coolant Type: BMW Blue or equivalent ethylene glycol-based coolant Lubrication Oil Type: API SG, SAE 15W-40 or 10W-40 (check manual for specific viscosity based on climate) Engine Management Ignition System: Electronic Ignition (CDI) 🔧 Transmission Standard Transmission Type: 4-speed Getrag 260 manual transmission Optional Transmission Type: 4-speed ZF 4HP22 automatic transmission Features Clutch: Hydraulically operated single dry plate clutch Automatic Transmission Features: Electronic control for shifting, lock-up torque converter Fluid Specifications Manual Transmission Fluid: BMW Gear Oil G2 or equivalent SAE 75W-90 synthetic Automatic Transmission Fluid: Dexron III or equivalent ATF 📐 Dimensions Exterior Length: 4716 mm (185.7 in) Width: 1700 mm (66.9 in) Height: 1415 mm (55.7 in) Wheelbase: 2794 mm (110.0 in) Weights Curb Weight: Approx. 1560 kg (3439 lbs) Gross Vehicle Weight: Approx. 2010 kg (4431 lbs) Cargo Trunk Volume: Approx. 0.46 m³ (16.2 cu ft) 🛡️ Safety Features Ratings Era Safety Standards: Designed to meet 1980s safety regulations, including energy-absorbing bumpers and safety cage construction Active Features ABS: Anti-lock Braking System (ABS) available as an option or standard on later models Passive Features Seat Belts: 3-point inertia-reel seat belts front and rear Steering Column: Collapsible steering column Headrests: Adjustable front and rear headrests 💡 Technology Features Infotainment Radio System: Factory AM/FM cassette stereo systems, often with upgraded aftermarket head units in modern usage Speakers: Typically 4-6 speaker configuration Driver Assistance Cruise Control: Standard or optional electronic cruise control Climate Control: Manual or optional automatic climate control (HCC - Hydro-Electro-Climatronic) Connectivity Connectivity Era: Limited to factory radio and speaker systems; modern upgrades focus on Bluetooth and aux inputs 🔧 Maintenance Service Intervals Oil Change Interval: 10,000-15,000 km (6,000-9,000 miles) or 12 months, whichever comes first (with synthetic oil) Spark Plug Replacement: Refer to manual, typically every 30,000-50,000 km (18,000-30,000 miles) Timing Belt Replacement: N/A (M30 engine uses a timing chain) Fluid Specifications Coolant Capacity: Approx. 8.0 Liters (8.5 US Quarts) Brake Fluid: DOT 4 Known Issues Common Wear Items: Fuel pump, AFM (Air Flow Meter), suspension bushings, heater core, sunroof drains Electrical Gremlins: Can occur due to age and wiring degradation, particularly with older alarm systems or aftermarket additions Maintenance Tips Engine Cooling: Regular coolant flushes and inspection of hoses are critical for preventing overheating in the M30 engine. Fuel Delivery: Clean or replace fuel filter periodically; consider upgrading fuel pump if experiencing lean conditions. 📚 Vehicle History Brand Heritage Bmw Philosophy: Sheer Driving Pleasure, focus on performance and driver engagement Model Evolution Predecessor: BMW E12 5 Series Successor: BMW E34 5 Series Production Production Years E28: 1981-1988 Manufacturing Locations: Germany (Dingolfing), South Africa, Mexico Production Volume: Significant volume, establishing BMW as a major player in the executive sedan market 🏆 Awards & Recognition Recognitions Performance Recognition: Consistently ranked as a top driver's car...