🏷️ Basic Information Identification Make: BMW Model: M6 / 633CSi / 635CSi Chassis Code: E24 Body Style: Coupe Generation Generation Code: E24 Production Years Covered: 1976-1989 (Manual primarily covers later E24 M6, 633CSi, 635CSi variants) Codes Engine Codes Covered: M88/3, S38B35 (M6), M30B32 (633CSi), M30B34 (635CSi) 👋 Introduction Market Position Market Segment: Luxury Grand Tourer (GT), performance coupe Competitive Analysis Key Competitors Era: Porsche 928, Mercedes-Benz SEC coupes, Jaguar XJ-S Key Features Vehicle Highlights: Iconic 'shark nose' styling, powerful straight-six engines, sophisticated suspension, driver-focused interior, performance heritage Manual Value Proposition Manual Benefit: Essential resource for maintaining and repairing the complex systems of these classic BMWs, enabling owners to preserve their value and performance. 📋 Manual Details Coverage Areas Coverage Scope: Comprehensive workshop service and repair Page Count Estimated Page Count: Over 1500 pages (typical for comprehensive manuals of this era) Manual Type Manual Type: Workshop Service Repair Manual Language Language: English Format File Format: PDF Compatibility Software Compatibility: Windows 95, 98, 2000, NT, XP, Vista, Windows 7 and later versions 📖 Manual Coverage Systems Covered Engine Systems: Engine mechanicals (M88/3, S38B35, M30), cylinder head, valvetrain, lubrication, cooling, fuel injection (Bosch L-Jetronic/Motronic), ignition, exhaust Drivetrain Systems: Manual transmission (Getrag 265), automatic transmission (ZF 4HP22), clutch, driveshafts, differential Chassis Systems: Suspension (front strut, rear semi-trailing arm), steering, brakes (front discs, rear discs, ABS), wheels, tires Electrical Systems: Wiring diagrams, ignition system, charging system, starter motor, lighting, instrumentation, HVAC controls, power windows, central locking, airbag system Body Systems: Body construction, panels, doors, hood, trunk, glass, trim, bumpers Procedures Included Maintenance Procedures: Scheduled maintenance, fluid changes (oil, coolant, brake fluid, transmission fluid), filter replacements, spark plug service, belt inspections Repair Procedures: Engine rebuilds, cylinder head removal/installation, valve adjustment, timing chain replacement, fuel injector service, radiator/cooling system repair, transmission overhaul, clutch replacement, brake caliper rebuild, suspension component replacement, electrical component diagnosis and repair Diagnostic Procedures: Troubleshooting guides, symptom-based diagnostics, electrical fault tracing using wiring diagrams, engine performance checks Technical Depth Technical Depth: Extremely detailed, suitable for professional technicians and experienced DIY mechanics. Covers component disassembly, assembly, specifications, tolerances, and torque values. 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality Recommendation: Printable on standard office printers. High-resolution scans for clear diagrams and text. Binding Type Binding Type For Print: Digital download (PDF) - no physical binding. Recommend printing and binding chapters as needed. Paper Type Paper Type For Print: Digital download (PDF) - no physical paper type. Searchability Text Searchability: Searchable text within the PDF for quick information retrieval. ⚙️ Engine Specifications Primary Engine M6 Engine Type: Naturally Aspirated Inline-6 (S38B35 for US M6, M88/3 for Euro M6) 635Csi Engine Type: Naturally Aspirated Inline-6 (M30B34) 633Csi Engine Type: Naturally Aspirated Inline-6 (M30B32) Performance M6 Horsepower Est: 256 hp (Euro M88/3) / 265 hp (US S38B35) M6 Torque Est: 243 lb-ft (Euro M88/3) / 243 lb-ft (US S38B35) 635Csi Horsepower Est: 218 hp (M30B34) 635Csi Torque Est: 224 lb-ft (M30B34) 633Csi Horsepower Est: 197 hp (M30B32) 633Csi Torque Est: 204 lb-ft (M30B32) Fuel System Fuel Injection System: Bosch L-Jetronic (early 633CSi), Bosch Motronic (later models including 635CSi, M6) Technical Details Bore Stroke M30: 84 mm x 90 mm (M30B34) Bore Stroke S38: 93.4 mm x 86 mm (S38B35) Compression Ratio M30B34: 9.3:1 Compression Ratio S38B35: 10.5:1 🔧 Transmission Standard Standard Transmission Type: 5-speed manual (Getrag 265) Optional Optional Transmission Type: 3-speed automatic (ZF 4HP22, later 4-speed automatic) Features Transmission Features: Close-ratio gearboxes (manual), torque converter lock-up (automatic) Fluid Specifications Manual Transmission Fluid: GL-4 gear oil (e.g., 75W-90 or 80W-90) Automatic Transmission Fluid: Dexron III / Mercon (ZF 4HP22) 📐 Dimensions Exterior Wheelbase Est: 2775 mm (109.3 in) Length Est: 4800 mm (189.0 in) Width Est: 1725 mm (67.9 in) Height Est: 1380 mm (54.3 in) Weights Curb Weight Est: 1600-1750 kg (3527-3858 lbs), varies by model and equipment Gross Vehicle Weight Rating Est: 2070 kg (4564 lbs) for 635CSi Wheels Tires Wheel Bolt Pattern: 5x120 mm Standard Tire Size 635Csi: 205/70VR14 or 220/55VR390 Standard Tire Size M6: 225/50VR16 (front), 245/45VR16 (rear) 🛡️ Safety Features Ratings Crash Test Data Availability: Limited official crash test data available for this era of vehicle, as testing standards were less rigorous. Active Features Active Safety Features: Optional Anti-lock Braking System (ABS), limited-slip differential (on some models) Passive Features Passive Safety Features: Reinforced chassis, collapsible steering column, front and rear crumple zones, optional airbags (late models) 💡 Technology Features Infotainment Infotainment Systems: Basic analog instrumentation, optional premium sound systems (e.g., Blaupunkt), cassette players. Driver Assistance Driver Assistance Features: Limited by modern standards; primarily focused on ABS (optional) and the handling dynamics of the chassis. Connectivity Connectivity Features: None by modern definition. Primarily mechanical and analog systems. 🔧 Maintenance Service Intervals Oil Change Interval Est: Every 7,500-10,000 miles or 12 months (depending on oil type and driving conditions) Spark Plug...