🏷️ Basic Information Identification Make: BMW Model: 6 Series (E24) Specific Models Covered: 633CSi, 635CSi, M6 Model Years: 1983, 1984, 1985, 1986, 1987, 1988, 1989 Codes Chassis Code: E24 👋 Introduction Market Position Target Audience: BMW E24 owners, independent repair shops, automotive enthusiasts Competitive Analysis Value Proposition: Provides professional-level repair and maintenance information, saving significant costs compared to dealership service. Key Features Accuracy Completeness: Manufacturer-written, complete and intact, same as used in professional shops. Usability: Step-by-step instructions, detailed diagrams, easy navigation with numbered table of contents. 📋 Manual Details Coverage Areas Primary Coverage: Workshop Service and Repair Secondary Coverage: Maintenance, Troubleshooting, Electrical Diagrams Page Count Estimated Pages: Hundreds (specific count not provided, but described as 'hundreds of pages') Manual Type Type: Professional Workshop Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Service: Yes Transmission Service: Yes Brake System: Yes Electrical System: Yes Wiring Diagrams: Yes Suspension System: Yes Steering System: Yes Cooling System: Yes Fuel System And Injection: Yes Emission Control System: Yes Heating And Air Conditioning: Yes Engine Control System: Yes Chassis And Body: Yes Restraint System: Yes Interior Systems: Yes Differential And Drivetrain: Yes Axle Systems: Yes Procedures Included General Maintenance: Yes Troubleshooting: Yes Engine Repair: Yes Transmission Repair: Yes Brake System Repair: Yes Electrical System Diagnostics: Yes Suspension Repair: Yes Periodic Lubrication: Yes Steering System Repair: Yes Cooling System Service: Yes Fuel Injection System Repair: Yes Emission System Service: Yes HVAC Repair: Yes Engine Control Module Diagnostics: Yes Chassis And Body Repair: Yes Restraint System Service: Yes Interior Component Repair: Yes Drivetrain Component Repair: Yes Axle Repair: Yes Detailed Substeps: Yes Notes Cautions Warnings: Yes Numbered Instructions: Yes Illustrations Drawings Photos: Yes Enlarged Insets For Detail: Yes Disassembly And Assembly: Yes Cleaning Procedures: Yes Reinstallation Procedures: Yes Technical Depth Depth: Comprehensive (used by professional technicians, same as local service/repair shops) 📊 Manual Specifications File Format Format: PDF Requirements: Adobe PDF Reader, WinZip Print Quality Printability: Full Printable Zoom Functionality: Yes Binding Type Binding: Digital Download (implying no physical binding) Paper Type Paper Quality: N/A (Digital format) Delivery Delivery Method: Instant Download Compatibility Operating Systems: All Versions of Windows & Mac ⚙️ Engine Specifications Primary Engine 633Csi Engine: BMW M30B32 (3.2L Inline-6) 635Csi Engine: BMW M30B34 (3.4L Inline-6) M6 Engine: BMW S38B35 (3.5L Naturally Aspirated Inline-6, motorsport-derived) Performance 633Csi Horsepower: Approx. 197 hp (147 kW) 635Csi Horsepower: Approx. 218 hp (163 kW) (Euro spec), 182 hp (136 kW) (US spec) M6 Horsepower: Approx. 256 hp (191 kW) (Euro spec), 210 hp (157 kW) (US spec) Fuel System Fuel Delivery: Bosch L-Jetronic or Motronic fuel injection (model and year dependent) 🔧 Transmission Standard 633Csi/635Csi (Standard): Getrag 4-speed manual (early), 5-speed manual (later) Optional 633Csi/635Csi (Optional): ZF 3HP22 3-speed automatic M6 (Standard): Getrag 5-speed manual (410G/GS) Features Manual Transmission Type: Dogleg 5-speed manual (M6 and some 635CSi models) 📐 Dimensions Exterior Length: Approx. 191.1 in (4854 mm) Width: Approx. 70.9 in (1801 mm) Height: Approx. 53.3 in (1354 mm) Weights Curb Weight: Approx. 3600-3800 lbs (1630-1725 kg) depending on model and options 🛡️ Safety Features Ratings Crash Test Data: Limited formal crash test data available for this era, but generally considered robust construction for its time. Active Features Braking System: 4-wheel disc brakes, often with ABS (Anti-lock Braking System) as an option or standard on later models/M6. Passive Features Seat Belts: Standard 3-point front seatbelts, lap belts in rear. 💡 Technology Features Infotainment Audio System: Original BMW cassette/radio systems with optional amplifier. Manual likely covers speaker replacement and head unit diagnostics. Driver Assistance ABS: Optional on many models, standard on some late E24s and M6. Manual covers system operation and troubleshooting. Cruise Control: Available as an option on 633CSi and 635CSi models, covered in the manual. Connectivity On-Board Computer (Obc): Many E24s featured an OBC displaying fuel consumption, range, and other diagnostics. Manual covers its functionality and potential issues. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000-7,500 miles or 6-12 months (refer to manual for precise specification based on driving conditions). Spark Plug Replacement: Varies by spark plug type, but typically around 30,000 miles for conventional plugs, higher for platinum or iridium. Timing Belt/Chain: M30 engines use a timing chain, which is generally maintenance-free but should be inspected for tension and wear. Fluid Specifications Engine Oil: Refer to manual for specific viscosity (e.g., 20W-50, 10W-40 depending on climate and spec). Always use high-quality oil. Coolant: BMW Blue coolant or equivalent ethylene glycol-based antifreeze mixed with distilled water (typically 50/50). Brake Fluid: DOT 4 or DOT 3, low-viscosity, hygroscopic (requires periodic replacement). Transmission Fluid (Automatic): ATF Dexron II or equivalent (specific type to be verified in manual for ZF 3HP22). Differential Fluid: Hypoid gear oil (e.g., SAE 80W-90 GL-5), capacity approx. 1.5-2.0 liters. Known Issues Cooling System: Radiator leaks, hose degradation, water pump...