🏷️ Basic Information Identification Make: BMW Model: 535i Year: 1986 Codes Chassis Code: E28 Engine Code: M30B34 👋 Introduction Market Position Segment: Executive Sedan / Luxury Sports Sedan Target Audience: Discerning buyers seeking performance, luxury, and engineering excellence Competitive Analysis Key Competitors: Mercedes-Benz W124, Audi 100/200, Volvo 700 Series, Jaguar XJ6 Key Features Performance Oriented: Emphasis on driving dynamics and powerful engine Build Quality: Renowned BMW build quality and durability Design Heritage: Classic E28 styling, understated elegance 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive factory service and repair Secondary Coverage: Maintenance, diagnostics, troubleshooting, overhaul Page Count Estimated Pages: 500+ Manual Type Type: Factory Service Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: 3.4L M30 inline-six (M30B34), including fuel injection (Bosch Motronic), ignition, lubrication, cooling, exhaust Transmission: Getrag 5-speed manual and ZF 4-speed automatic transmission repair, service, and overhaul Drivetrain: Rear-wheel drive system, driveshaft, differential, axle shafts Suspension: Front MacPherson struts, rear semi-trailing arms, springs, shock absorbers, bushings, alignment specifications Brakes: Front vented discs, rear solid discs, hydraulic system, ABS (where equipped), parking brake Steering: Power-assisted steering system, steering rack, hydraulic pump Electrical: Complete wiring diagrams, charging system (alternator, battery), starting system, lighting, instrumentation, auxiliary systems Body: Body shell structure, doors, hood, trunk, windows, interior trim, sound deadening HVAC: Heating, ventilation, and air conditioning system service and repair Procedures Included Maintenance: Scheduled maintenance intervals, oil changes, filter replacements, fluid checks, spark plug replacement Repair: Detailed step-by-step repair instructions for all major systems, component removal and installation Diagnostics: Troubleshooting guides, fault code identification (for Motronic), symptom-based diagnostics Overhaul: Engine, transmission, and differential overhaul procedures with component specifications Specifications: Torque specifications, clearances, tolerances, alignment angles Technical Depth Depth: Comprehensive, from basic fluid services to complete engine and transmission rebuilds 📊 Manual Specifications File Format File Type: PDF Searchable: Yes Print Quality Quality: High-resolution, suitable for printing individual pages or the entire manual Binding Type Binding For Print: Not Applicable (Digital Download) Paper Type Paper For Print: Not Applicable (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Type: Naturally aspirated inline-six cylinder Displacement: 3.4 liters (3210 cc) Bore X Stroke: 92.0 mm x 90.0 mm Compression Ratio: 8.0:1 Valve Train: SOHC, 2 valves per cylinder Performance Horsepower: 182 hp @ 5500 rpm (approx.) Torque: 214 lb-ft @ 3000 rpm (approx.) Fuel System Fuel Delivery: Bosch L-Jetronic / Motronic fuel injection Fuel Type: Premium Unleaded Gasoline (91+ octane recommended) Lubrication Oil Capacity: 6.5 liters (6.9 US quarts) with filter Recommended Oil Viscosity: 15W-50 or 10W-40 (depending on climate) 🔧 Transmission Standard Transmission Type: Getrag 265 5-speed manual Optional Transmission Type: ZF 4HP22 4-speed automatic Features Manual Gear Ratios: 3.83/2.04/1.32/1.00/0.81 (approx.) - Close ratio 'dogleg' first gear Automatic Features: Hydraulic torque converter, electronically controlled (limited function in '86 models) Fluid Specifications Manual Fluid Type: BMW Synthetic Gear Oil (e.g., G3, G4) or equivalent SAE 75W-90 Automatic Fluid Type: Dexron III or equivalent ATF 📐 Dimensions Exterior Length: 188.4 inches Width: 69.4 inches Height: 55.7 inches Wheelbase: 104.7 inches Weights Curb Weight: 3472 lbs (manual) / 3583 lbs (automatic) 🛡️ Safety Features Ratings Crash Test Data: No comprehensive NHTSA ratings available for this specific model year and variant, but E28 chassis generally performed well for its era. Active Features ABS: Anti-lock Braking System (ABS) standard on 535i models Passive Features Seatbelts: Three-point inertia-reel front seatbelts, rear lap and shoulder belts Body Structure: Reinforced safety cell, crumple zones 💡 Technology Features Infotainment Audio System: Factory premium sound system (e.g., Blaupunkt or BMW branded cassette player with optional amplifier) Driver Assistance ABS: Standard Anti-lock Braking System (ABS) Connectivity Availability: Limited by modern standards; primarily analog systems. 🔧 Maintenance Service Intervals Oil Change Interval: Every 5,000-7,500 miles or 6-12 months (depending on driving conditions and oil used) Spark Plug Replacement: Every 30,000 miles (typically Bosch W8AC or equivalent) Transmission Fluid Change: Manual: Check condition, replace as needed. Automatic: Every 30,000-50,000 miles Coolant Flush: Every 2-3 years or 30,000-40,000 miles Fluid Specifications Coolant Type: BMW Blue Antifreeze/Coolant (G48) or equivalent ethylene glycol-based coolant Brake Fluid Type: DOT 4 Known Issues Engine Management: Motronic issues, MAF sensor degradation, idle control valve problems Suspension: Worn control arm bushings, trailing arm bushings, sway bar links Electrical: Corroded grounds, failing headlight relays, instrument cluster issues (vapor barrier damage) Cooling System: Radiator leaks, water pump failure, heater core leaks Rust: Common areas include wheel wells, rocker panels, door bottoms, trunk floor 📚 Vehicle History Brand Heritage Bmw Philosophy: Ultimate Driving Machine - focus on performance, handling, and driver engagement Model Evolution E28 Generation: Second generation of the BMW 5 Series, produced from 1981 to 1988. E28 replaced the E12 and was succeeded by the E34. 535I Introduction: The 535i (replacing the 528e and 533i in the US market) represented the pinnacle of performance for the E28 series. Production Manufacturing...