🏷️ Basic Information Identification Make: BMW Model: 6 Series (E24) Model Variant: 633CSi, 635CSi, M6 Production Years Covered: 1983-1989 Codes Chassis Code: E24 👋 Introduction Market Position Segment: Luxury Grand Tourer Coupe Brand Perception: Performance, luxury, engineering excellence, driver engagement Competitive Analysis Key Competitors: Mercedes-Benz SEC, Porsche 928, Jaguar XJ-S Key Features Design Philosophy: Long hood, short deck proportions, elegant and timeless styling, driver-focused cockpit Engineering Highlights: Inline-six engines, rear-wheel drive, sophisticated suspension, advanced (for its era) electronics Manual Value Proposition Target Audience: BMW E24 owners, independent repair shops, classic car enthusiasts, DIY mechanics Benefit: Empowers owners to maintain and repair their vehicles with confidence, saving on dealership costs. 📋 Manual Details Coverage Areas Market Focus: Global (USA, Europe, Asia) Regions Included: North America, Europe, other international markets Page Count Estimated Pages: Comprehensive (Exact count not specified, but implies extensive detail) Manual Type Type: Workshop Repair Manual / Service Manual Language Language: English Format Format: PDF (Digital Download) 📖 Manual Coverage Systems Covered Engine: Complete overhaul, diagnostics, tuning, lubrication, cooling, fuel injection (L-Jetronic, Motronic), exhaust Transmission: Manual and Automatic (Getrag 5-speed, ZF 4-speed/3-speed) repair, overhaul, clutch, driveshaft, differential Brakes: Front/rear disc brakes, ABS (where applicable), hydraulic system, parking brake Suspension: Front struts, rear independent suspension, bushings, shock absorbers, springs, anti-roll bars Steering: Power steering system, steering rack, tie rods Electrical: Wiring diagrams, battery, alternator, starter, ignition system, lighting, instrumentation, fuses, relays, ECU diagnostics Bodywork: Body panel removal/installation, doors, hood, trunk, bumpers, glass, seals, rust repair procedures HVAC: Heating, Ventilation, and Air Conditioning (HVAC) system operation, repair, and refrigerant handling Interior: Dashboard removal, seats, trim panels, interior lighting Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, fluid checks, tune-ups Repair: Component replacement, system diagnostics, troubleshooting, minor and major repairs Overhaul: Engine rebuild, transmission overhaul, differential rebuild Adjustment: Valve adjustments, idle speed settings, brake adjustments Troubleshooting: Diagnostic procedures for common and uncommon issues, fault code interpretation (where applicable) Technical Depth Depth: Comprehensive from basic maintenance to complete engine and transmission rebuilds Diagnostics: Detailed diagnostic flowcharts and symptom-based troubleshooting Specifications: Torque values, clearances, fluid capacities, electrical resistance, pressure readings Illustrations Diagrams: Exploded views, wiring diagrams, hydraulic schematics, system layouts Photography: Step-by-step illustrations and potentially photos of procedures 📊 Manual Specifications File Format Format: PDF Searchability: Likely searchable text content Compatibility: PC & Mac Compatible (Windows 95 through Windows 8+) Print Quality Printability: Printable pages Binding Type Binding: N/A (Digital Download) Paper Type Paper Quality: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Code 633Csi: M30B32 (3.2L Inline-6) Engine Code 635Csi: M30B34 (3.4L Inline-6) Engine Code M6: S38B35 (3.5L Inline-6, DOHC, 24 valves) Performance 633Csi Horsepower 633Csi: Approx. 197 hp (DIN) / 181 hp (SAE) Torque 633Csi: Approx. 285 Nm (210 lb-ft) Performance 635Csi Horsepower 635Csi: Approx. 218 hp (DIN) / 204 hp (SAE) Torque 635Csi: Approx. 310 Nm (229 lb-ft) Performance M6 Horsepower M6: Approx. 256 hp (DIN) / 282 hp (US Spec) Torque M6: Approx. 333 Nm (246 lb-ft) / 345 Nm (US Spec) Fuel System Injection System 633Csi 635Csi: Bosch L-Jetronic (later models may use Motronic) Injection System M6: Bosch Motronic ML-1.3 Fuel Type Fuel Requirement: Premium Unleaded Gasoline (91+ Octane) 🔧 Transmission Standard Transmission Type Early Models: 4-speed Manual (Getrag 265) Type Later Models: 5-speed Manual (Getrag 265/5) Optional Transmission Type: 3-speed Automatic (ZF 3HP22) or 4-speed Automatic (ZF 4HP22) Features Clutch Type: Single dry plate (manual transmission) Final Drive Ratio: Variable depending on model and transmission (e.g., 3.25:1, 3.45:1) 📐 Dimensions Exterior Length: Approx. 4755 mm (187.2 in) Width: Approx. 1778 mm (70.0 in) Height: Approx. 1380 mm (54.3 in) Wheelbase: Approx. 2794 mm (110.0 in) Weights Curb Weight Range: Approx. 1550 - 1700 kg (3417 - 3748 lbs) depending on model and equipment 🛡️ Safety Features Ratings Crash Safety Era Standard: Designed to meet safety standards of its production era, with a strong unibody structure. Active Features ABS: Optional Anti-lock Braking System (ABS) available on later models and M6 Suspension Stability: Independent suspension contributes to stable handling Passive Features Seatbelts: 3-point front seatbelts, rear lap belts Body Structure: Reinforced safety cage, crumple zones Steering Column: Collapsible steering column 💡 Technology Features Infotainment Audio System: Original Blaupunkt or Becker radio with cassette player, optional amplifier. Climate Control: Manual climate control or optional automatic climate control (ACC). Driver Assistance Cruise Control: Standard on most models. Onboard Computer: Optional early 'Check Control' system for monitoring basic vehicle functions. Connectivity Connectivity Features: Limited by era; no integrated Bluetooth or advanced infotainment systems. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000-7,500 miles or 6-12 months, depending on driving conditions and oil used. Major Service Intervals: Spark plugs, ignition wires, coolant, brake fluid typically recommended every 2-4 years or 30,000 miles. Fluid Specifications Engine Oil Type: SAE 15W-50 or 20W-50 recommended for older M30 engines, consult manual for specific viscosity...