🏷️ Basic Information Identification Make: BMW Model: 535i Model Variant: M535i Year: 1985-1988 Codes Chassis Code: E28 👋 Introduction Market Position Segment: Luxury Sport Sedan Target Audience: Enthusiasts, DIY mechanics, professional technicians working on E28 5-series Competitive Analysis Competitors: Mercedes-Benz W124, Audi 100/200, Jaguar XJ-S Key Features Distinctive Traits: Renowned for handling, build quality, powerful inline-six engines, M-Technic enhancements on M535i Manual Value Proposition: Essential resource for maintaining and repairing the iconic E28 chassis and its potent M30 engine. 📋 Manual Details Coverage Areas Engine Coverage: 3.5L M30B34 inline-six Transmission Coverage: 4-speed automatic, 5-speed manual Electrical System Coverage: Complete wiring diagrams, component testing Chassis Coverage: Suspension, steering, brakes, chassis components Body Coverage: Bodywork, interior, trim, seals Page Count Total Pages: 227 Manual Type Type: Workshop Service Manual Language Language: English Format Format: PDF 📖 Manual Coverage Systems Covered Engine Systems: Engine mechanical, fuel injection (Bosch L-Jetronic/Motronic), ignition, cooling, lubrication, exhaust Transmission Systems: Manual transmission overhaul, automatic transmission operation and repair, clutch system Drivetrain Systems: Driveshafts, differentials, axles Suspension Systems: Front and rear suspension, shock absorbers, springs, control arms, bushings Steering Systems: Power steering system, steering rack, tie rods Brake Systems: Front and rear disc brakes, ABS (Anti-lock Braking System) operation and troubleshooting, brake fluid Electrical Systems: Battery, alternator, starter, lighting, wipers, horn, dashboard instruments, power windows, central locking Climate Control Systems: HVAC system, heater core, A/C compressor, refrigerant service Procedures Included Maintenance Procedures: Oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt adjustments Troubleshooting Procedures: Diagnostic procedures for engine, transmission, electrical faults, starting issues Repair Procedures: Component removal and installation, major assembly overhauls, body panel repair Diagnostic Charts: Fault finding charts and symptom-based troubleshooting Technical Depth Depth Of Information: Comprehensive repair and diagnostic procedures, detailed component specifications, torque values, timing procedures Diagnostic Capabilities: Advanced diagnostic techniques including electronic system checks Rebuild Information: Detailed procedures for engine and transmission rebuilds 📊 Manual Specifications File Format File Type: PDF Searchability: Searchable text Print Quality Resolution: High-resolution for clear diagrams and text Printability: Printable pages Binding Type Binding: N/A (Digital PDF) Paper Type Paper: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Code: M30B34 Engine Type: Naturally Aspirated Inline-Six Displacement: 3.430 cc (3.4 Liters) Bore X Stroke: 92.0 mm x 86.0 mm Compression Ratio: 8.0:1 or 8.1:1 (depending on market/model) Performance Horsepower: 182 hp @ 5,400 rpm (535i), 218 hp @ 5,400 rpm (M535i Euro spec) Torque: 290 Nm @ 3,000 rpm (535i), 330 Nm @ 4,000 rpm (M535i Euro spec) Fuel System Fuel Delivery: Bosch L-Jetronic or Motronic fuel injection Fuel Type: Unleaded Premium Gasoline (91+ Octane) Timing Valve Train: SOHC (Single Overhead Camshaft) Timing Drive: Timing Chain 🔧 Transmission Standard Transmission Type: 4-speed Automatic (ZF 4HP22) or 5-speed Manual (Getrag 265) Optional Transmission Options: 5-speed manual was standard on M535i, automatic optional. 535i often came with automatic, manual available. Features Manual Gearbox Ratios: Refer to manual for specific ratios (e.g., close-ratio 'dogleg' 5-speed on some M535i) Automatic Features: Torque converter lock-up 📐 Dimensions Exterior Length: Approx. 4,720 mm (185.8 in) Width: Approx. 1,700 mm (66.9 in) Height: Approx. 1,415 mm (55.7 in) Weights Curb Weight: Approx. 1,550 - 1,650 kg (3,417 - 3,638 lbs) Gross Vehicle Weight: Refer to vehicle placard 🛡️ Safety Features Ratings Crash Test Data: Limited formal crash test data from modern standards for this era; known for robust E-body construction. Active Features Active Safety: ABS (Anti-lock Braking System), advanced chassis dynamics Passive Features Passive Safety: Reinforced safety cage, energy-absorbing steering column, front and rear crumple zones Seat Belts: 3-point front seat belts, rear lap belts 💡 Technology Features Infotainment Audio System: Factory AM/FM stereo with cassette player, optional amplifiers and equalizers. Climate Control Tech: Manual or optional automatic climate control (ACC) with integrated diagnostics. Driver Assistance Driver Assistance Systems: ABS (Anti-lock Braking System) Connectivity Connectivity Features: N/A (No modern connectivity features like Bluetooth or USB) 🔧 Maintenance Service Intervals Oil Change Interval: Typically 7,500-10,000 miles or 12 months, consult manual for specific conditions. Spark Plug Replacement Interval: Refer to manual; often around 30,000 miles depending on plug type. Timing Belt Chain Service: Timing chain is designed for the life of the engine; inspect tensioners and guides as per manual. Fluid Specifications Engine Oil Type: Refer to manual; typically SAE 15W-40, 15W-50, or 20W-50 depending on climate (e.g., BMW High Performance Synthetic 20W/50) Engine Oil Capacity: Approx. 6.5 liters (6.9 US quarts) with filter change. Coolant Type: BMW Blue Coolant or equivalent ethylene glycol-based antifreeze. Brake Fluid Type: DOT 3 or DOT 4 Transmission Fluid Manual: API GL-4 or GL-5 SAE 75W-90 or 80W-90 gear oil. Transmission Fluid Automatic: ATF Dexron II or equivalent. Differential Fluid: API GL-5 SAE 75W-90 or 80W-90 gear oil. Known Issues Engine Common Issues: Head gasket leaks (less common on M30 but possible), oil leaks from front/rear main seals,...