🏷️ Basic Information Identification Make: BMW Model: 535i Year: 1986 Codes Chassis Code: E28 Engine Code: M30B34 👋 Introduction Market Position Segment: Executive Sedan Target Audience: Discerning drivers seeking performance, luxury, and engineering excellence Competitive Analysis Key Competitors: Mercedes-Benz W124 E-Class, Audi 100/200, Jaguar XJ6 Key Features Driving Dynamics: Renowned for its balanced chassis, responsive steering, and comfortable ride Engine Performance: Powerful inline-six engine offering strong torque and smooth acceleration Build Quality: Typical BMW build quality with robust construction and durable materials Design Philosophy: Classic BMW 'kidney grille' design, aerodynamic profile, and functional interior 📋 Manual Details Coverage Areas Primary Focus: Full Service and Repair Diagnostic Coverage: Comprehensive diagnostic procedures and troubleshooting guides Rebuild Coverage: Detailed instructions for engine, transmission, and differential rebuilds Restoration Coverage: Guidance for refurbishment and restoration of various vehicle components Page Count Estimated Pages: 1000+ Manual Type Type: Service and Repair Manual Language Language: English Format Format: Digital (likely PDF) 📖 Manual Coverage Systems Covered Engine: Complete overhaul, timing, fuel injection, ignition, cooling, lubrication Transmission: Manual and Automatic transmission service, repair, and overhaul Drivetrain: Driveshaft, differential, axles, and CV joints Suspension: Front and rear suspension components, alignment, shock absorbers, bushings Steering: Power steering system, steering rack, tie rods, steering column Brakes: Hydraulic system, ABS (if equipped), brake calipers, rotors, pads, lines Electrical: Complete wiring diagrams, starter, alternator, battery, lighting, fuses, relays Fuel System: Fuel pump, injectors, fuel pressure regulator, fuel tank Exhaust System: Catalytic converter, mufflers, exhaust pipes, gaskets Body And Frame: Body panel removal and installation, chassis repair, door mechanisms, glass HVAC: Heating, Ventilation, and Air Conditioning system service and repair Interior: Dashboard, seating, trim panels, instrumentation Procedures Included Routine Maintenance: Oil changes, filter replacements, spark plug changes, fluid checks and top-offs Tune Up: Detailed tune-up procedures for optimal engine performance Troubleshooting: Step-by-step diagnostic procedures for common and uncommon issues Component Replacement: Removal and installation of major and minor components Recalibration: Procedures for recalibrating sensors and systems as needed Specifications And Tolerances: Detailed torque specifications, clearances, and measurements Technical Depth Depth Level: Expert-level, suitable for professional technicians and experienced DIYers Diagnostic Tools: Reference to required diagnostic tools and equipment Wiring Diagrams: Comprehensive and detailed electrical wiring schematics Rebuild Instructions: Full engine and transmission rebuild procedures with diagrams 📊 Manual Specifications File Format File Type: PDF Searchability: Text-searchable for quick information retrieval Print Quality Image Resolution: High-resolution diagrams and illustrations Binding Type Binding Type: N/A (Digital Format) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Type: M30B34 Inline-6 (SOHC) Displacement: 3.4 Liters (3430 cc) Bore X Stroke: 92.0 mm x 86.0 mm Compression Ratio: 8.0:1 Horsepower Net C.A.C.: 182 hp @ 5500 rpm Torque Net C.A.C.: 220 lb-ft @ 3000 rpm Performance 0-60 Mph: Approx. 7.7 seconds Fuel System Fuel Delivery: Bosch L-Jetronic Fuel Injection Recommended Fuel: Unleaded 89 Octane (AKI) / 95 RON 🔧 Transmission Standard Transmission Type: Getrag 265 5-speed Manual Optional Transmission Type: ZF 4HP22 4-speed Automatic Features Manual Gear Ratios: 1st: 4.00, 2nd: 2.10, 3rd: 1.37, 4th: 1.00, 5th: 0.81, Reverse: 3.55 Automatic Gear Ratios: 1st: 2.48, 2nd: 1.48, 3rd: 1.00, 4th: 0.74, Reverse: 3.14 Clutch Type: Dry single-plate clutch (Manual) 📐 Dimensions Exterior Length: 190.4 inches (4836 mm) Width: 69.3 inches (1760 mm) Height: 55.0 inches (1397 mm) Wheelbase: 104.3 inches (2649 mm) Front Track: 57.5 inches (1460 mm) Rear Track: 58.1 inches (1476 mm) Weights Curb Weight: 3450 - 3550 lbs (1565 - 1610 kg) approx. Gross Vehicle Weight Rating: 4300 lbs (1950 kg) approx. 🛡️ Safety Features Ratings NHTSA Rollover Resistance: 4/5 Stars (for period, simulated) Active Features ABS: Anti-lock Braking System (standard on 535i) Traction Control: Optional on some later E28 models, but not standard for 1986 535i Passive Features Airbags: Driver airbag optional, passenger airbag not available Seatbelts: 3-point front and rear seatbelts Crumple Zones: Front and rear energy-absorbing crumple zones 💡 Technology Features Infotainment Audio System: Original BMW E28 audio systems were typically AM/FM radio and cassette player, often with optional premium sound packages. Climate Control: Manual or automatic climate control systems were available, featuring basic temperature and fan speed adjustments. Driver Assistance Cruise Control: Standard feature on most 535i models. Trip Computer: Optional on some models, providing basic fuel consumption data. Connectivity Connectivity Features: No modern connectivity features (Bluetooth, USB, etc.); designed for an era before these became standard. 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000 - 7,500 miles (8,000 - 12,000 km) or annually, depending on driving conditions. Spark Plug Replacement: Every 30,000 miles (48,000 km) or as recommended by plug manufacturer. Timing Belt Replacement: N/A (M30 engines use a timing chain) Coolant Flush: Every 2-3 years or 30,000 miles (48,000 km). Fluid Specifications Engine Oil Type: API SG or higher, SAE 15W-40 or 20W-50 recommended for most climates. Check owner's manual for precise grade. Engine Oil...
Ethylene glycol based coolant, typically a 50/50 mix with distilled water.
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid
Known Issues
Engine Oil Leaks:
Valve cover gasket, oil pan gasket, front and rear main seals are common leak points.
Cooling System:
Plastic expansion tanks can become brittle and crack; water pumps and thermostats are also potential failure points.
Fuel Injection System:
Bosch L-Jetronic can develop issues with airflow meter, fuel pump, and injector seals.
Electrical System:
Corrosion in connectors, aging wiring harnesses, and failing relays can cause various electrical gremlins.
Suspension Bushings:
Rubber bushings in control arms, sway bars, and trailing arms degrade over time, affecting handling.
📚 Vehicle History
Brand Heritage
Brand Philosophy:
Bayerische Motoren Werke AG, known for engineering, performance, and luxury since 1916.
Model Evolution
E28 Generation:
The E28 was the second generation of the BMW 5 Series, produced from 1981 to 1988. It succeeded the E12 and was replaced by the E34.
535I Introduction:
The 535i designation typically indicated a larger, more powerful engine. For 1986, it featured the M30B34, a potent 3.4-liter inline-six, replacing the earlier 533i's 3.2-liter unit.
Production
Production Period E28:
1981-1988
Production Period 535I:
Included in E28 production, notably from 1985 onwards.
🏆 Awards & Recognition
Recognitions
Automotive Press Awards:
E28 generation generally received praise from automotive publications for its driving dynamics and refined engineering.
Contemporary Reviews:
Often cited as one of the best-handling sedans of its era, blending luxury and sport.