🏷️ Basic Information Identification Make: BMW Model: 6 Series (E24) Specific Models Covered: 633CSi, 635CSi, M6 Generation Generation Code: E24 Production Years Covered: 1983-1989 Codes Chassis Codes: E24 👋 Introduction Market Position Market Position: Luxury Grand Tourer (GT), high-performance coupe segment Competitive Analysis Competitive Analysis: Competed against other premium GTs of the era, offering a blend of performance, comfort, and advanced engineering. Key Features Key Features: Elegant design, powerful inline-six engines, sophisticated suspension, premium interior appointments, driver-focused cockpit. Manual Value Proposition Manual Value Proposition: Provides comprehensive, make/model/year-specific repair and maintenance information, empowering owners for DIY tasks. Manual Advantage Manual Advantage: Instant download availability, detailed diagrams, and expert-level coverage exceeding generic manuals. 📋 Manual Details Coverage Areas Coverage Areas: All Workshop Repair Procedures, Electrical Diagrams, Service Procedures, Fluid Capacities Manual Type Manual Type: Service Repair Manual Language Language: ENGLISH Format Format: PDF (Instant Download) 📖 Manual Coverage Systems Covered Systems Covered: General Information, Lubrication, Fuel System, Engine (Removal/Installation, Cylinder Head/Valve, Cylinder/Piston, Crankcase, Crankshaft/Primary Shaft), Clutch, Gearshift Linkage, Sub Transmission, Transmission, Front Wheel/Suspension, Rear Wheel/Suspension, Hydraulic Brake System, Battery/Charging System, Ignition System, Electric Starter, Switches, Wiring, Bodywork Procedures Included Procedures Included: Re-wiring, Engine Rebuilding, Inspections, Adjustments, Maintenance, Troubleshooting, Repair Procedures Technical Depth Technical Depth: Comprehensive (from basic maintenance to complete engine rebuilds and advanced electrical diagnostics) 📊 Manual Specifications File Format File Format: PDF Searchable Text: Implied by PDF format, likely searchable Print Quality Print Quality: High-resolution, suitable for printing pages or entire manual Binding Type Binding Type: Digital (N/A for printed) Paper Type Paper Type: Digital (N/A for printed) Usability Usability: Printable, Viewable on Screen, Zoom In/Out Functionality ⚙️ Engine Specifications Primary Engine 633Csi Engine Code: M30B32 Engine Type: Inline 6-cylinder, SOHC (Single Overhead Cam) Displacement: 3.2 Liters (3210 cc) Bore X Stroke: 92 mm x 90 mm Compression Ratio: 8.3:1 (approx.) Horsepower: 197 hp @ 5500 rpm (approx.) Torque: 285 Nm (210 lb-ft) @ 3500 rpm (approx.) Primary Engine 635Csi Engine Code: M30B34 Engine Type: Inline 6-cylinder, SOHC (Single Overhead Cam) Displacement: 3.4 Liters (3430 cc) Bore X Stroke: 92 mm x 86 mm Compression Ratio: 8.8:1 (approx.) Horsepower: 218 hp @ 5700 rpm (approx.) Torque: 304 Nm (224 lb-ft) @ 4000 rpm (approx.) M6 Engine Code: S38B35 Engine Type: Inline 6-cylinder, DOHC (Double Overhead Cam), 24 Valves Displacement: 3.5 Liters (3453 cc) Bore X Stroke: 93.4 mm x 84 mm Compression Ratio: 10.5:1 Horsepower: 256 hp @ 6500 rpm (DIN) Torque: 330 Nm (243 lb-ft) @ 5000 rpm (DIN) Fuel System Fuel Delivery: Bosch L-Jetronic or Motronic fuel injection (depending on model and year) 🔧 Transmission Standard Transmission Type: 5-speed manual (Getrag 265) Optional Transmission Type: 3-speed automatic (ZF 4HP22) Features Clutch: Hydraulically operated single dry plate clutch Final Drive: Limited-slip differential (optional/standard on some models) 📐 Dimensions Exterior Length Value: 4750 mm (187.0 in) Exterior Width Value: 1720 mm (67.7 in) Exterior Height Value: 1380 mm (54.3 in) Wheelbase Value: 2775 mm (109.3 in) Weights Curb Weight: Approx. 1550-1650 kg (3417-3638 lbs) depending on configuration 🛡️ Safety Features Ratings Ratings: NHTSA/Euro NCAP ratings from this era are not directly comparable to modern standards; focus on chassis rigidity and passive safety features of the time. Active Features Active Features: Anti-lock Braking System (ABS) - typically optional or standard on later models Passive Features Passive Features: Reinforced body structure, crumple zones, seatbelts, padded dashboard 💡 Technology Features Infotainment Infotainment: Basic AM/FM radio with cassette player, optional premium sound system. Driver Assistance Driver Assistance: ABS (optional/late model), power steering. Connectivity Connectivity: Analog systems only, no modern digital connectivity. Comfort Features Comfort Features: Power windows, power mirrors, air conditioning, cruise control, central locking, leather upholstery, supportive seats. 🔧 Maintenance Service Intervals Engine Oil Interval: Every 7,500 - 10,000 miles (12,000 - 16,000 km) or 12 months, whichever comes first Service Intervals Oil Filter Interval: Replace with every oil change Service Intervals Spark Plugs Interval: Every 30,000 - 50,000 miles (48,000 - 80,000 km), depending on plug type Fluid Specifications Engine Oil Specification: SAE 15W-40 or 20W-50 API SG (check owner's manual for precise recommendations based on climate) Fluid Specifications Coolant Specification: BMW Blue Antifreeze/Coolant (50/50 mix with distilled water) Fluid Specifications Brake Fluid Specification: DOT 3 or DOT 4 brake fluid Fluid Specifications Transmission Fluid Auto Specification: Dexron II or Dexron III ATF (Automatic Transmission Fluid) Fluid Specifications Differential Fluid Specification: SAE 75W-90 GL-5 gear oil Known Issues Known Issues: Rust (wheel arches, rocker panels, jacking points), aging rubber seals and hoses, potential head gasket leaks, fuel injector issues, ABS sensor failures, wear on suspension bushings, transmission synchro wear (manual). 📚 Vehicle History Brand Heritage Brand Heritage: BMW's reputation for building sporting sedans and coupes with exceptional engineering and driving dynamics. Model Evolution Model Evolution: The E24 6 Series replaced the E9 Coupe and served as BMW's flagship coupe, evolving from the...