🏷️ Basic Information Identification Make: BMW Model: E24 6 Series Trim: 635CSi / M6 Year: 1988 Codes Chassis Code: E24 Engine Code 635Csi: M30B34 Engine Code M6: S38B35 👋 Introduction Market Position Target Audience: Technicians, mechanics, and car owners seeking to repair or learn about their E24. Competitive Analysis Advantage: Comprehensive electronic troubleshooting focus, factory-level data, instant access at a low price. Key Features Data Integrity: Technical data kept like original manufacturer book. Accessibility: Instant download, no waiting for physical delivery. Support: Direct contact available for concerns or download issues. 📋 Manual Details Coverage Areas Primary Focus: Electronic Troubleshooting Secondary Focus: General Maintenance and Repair Page Count Estimated Pages: Hundreds to Thousands (Printable) Manual Type Type: Factory Service Repair Manual (Electronic Troubleshooting Focused) Language Language: English Format File Format: PDF 📖 Manual Coverage Systems Covered Engine: Comprehensive engine service and repair, including fuel injection and emission systems. Transmission: Service and repair for both manual and automatic transmissions. Brakes: Detailed coverage of the brake system, including components and troubleshooting. Electrical: Extensive coverage of the electrical system, including wiring diagrams and electronic troubleshooting. Suspension: Service and repair for the suspension system. Steering: Detailed information on the steering system. Cooling System: Service and maintenance for the cooling system. Fuel System: Comprehensive coverage of the fuel system, including injection and delivery. Emission System: Information pertaining to the emission control system. HVAC: Heater and Air Conditioning system service and repair. Chassis Body: Details on chassis and bodywork. Restraint System: Information regarding the vehicle's restraint systems (seatbelts, etc.). Interior: Coverage of interior components and systems. Drivetrain: Differential and axle service/repair. Procedures Included Diagnostics: Extensive troubleshooting procedures for electronic and mechanical systems. Maintenance: General maintenance procedures, periodic lubrication, and service checklists. Repair: Detailed repair instructions for all major vehicle systems. Wiring Diagrams: Inclusion of complete and detailed wiring diagrams. Engine Control System: Detailed diagnostics and repair procedures for the engine control unit and associated sensors. Technical Depth Level Of Detail: Factory level technical data, suitable for professional technicians and enthusiasts. Diagnostics Support: Specific diagnostic procedures and datasheets for circuits and equipment. 📊 Manual Specifications File Format Compatibility: All Versions of Windows & Mac Requirements: Adobe PDF Reader & WinZip (for larger files) Print Quality Quality: Great Quality, Printable Pages Binding Type Type: Digital Download (Implied) Paper Type Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine 635Csi Engine Type: Inline 6-cylinder, SOHC Displacement: 3.4 liters (3430 cc) Bore X Stroke: 92 mm x 86 mm Compression Ratio: 8.0:1 or 8.5:1 (market dependent) Horsepower: 218 PS (215 hp) @ 5700 rpm (DIN) Torque: 310 Nm (229 lb-ft) @ 4000 rpm (DIN) Fuel System: Bosch L-Jetronic Fuel Injection Ignition System: Electronic Ignition Engine Specs M6 Engine Type: Inline 6-cylinder, DOHC, 24 valves Displacement: 3.5 liters (3453 cc) Compression Ratio: 10.5:1 Horsepower: 256 hp @ 6500 rpm (US Market) Torque: 330 Nm (243 lb-ft) @ 5000 rpm (US Market) Fuel System: Bosch Motronic Fuel Injection 🔧 Transmission Standard Transmission Type 635Csi: Getrag 4-speed Automatic (ZF 4HP22) Optional Transmission Type 635Csi Manual: Getrag 5-speed Manual Features M6 Transmission Type M6: Getrag 5-speed Manual Fluid Specifications Automatic Fluid: Dexron III (or equivalent, refer to manual for exact spec) Manual Fluid: BMW MTF LT-2 (or equivalent, refer to manual for exact spec) 📐 Dimensions Exterior Length: 4,730 mm (186.2 in) Width: 1,798 mm (70.8 in) Height: 1,380 mm (54.3 in) Wheelbase: 2,795 mm (110.0 in) Weights Curb Weight 635Csi: ~1,600 - 1,700 kg (3,527 - 3,748 lbs) depending on options Curb Weight M6: ~1,700 kg (3,748 lbs) Wheels Tires Wheel Bolt Pattern: 5x120 mm Typical Tire Size 635Csi: 205/70 VR 14 or 225/55 VR 15 Typical Tire Size M6: 225/50 VR 16 🛡️ Safety Features Active Features ABS: Available on some models, especially M6. Passive Features Airbags: Driver airbag not standard for the entire model run, but became more common later. Seatbelts: Three-point inertia reel seatbelts front and rear. 💡 Technology Features Infotainment Audio System: Factory AM/FM stereo cassette player, often with premium sound options. Climate Control: Manual or automatic climate control systems. Driver Assistance Cruise Control: Standard on most models. Connectivity Connectivity Features: Limited by era; typically manual antenna adjustment, speaker balance/fader. 🔧 Maintenance Service Intervals Oil Change: Typically every 7,500-10,000 miles or 12-18 months (refer to manual for exact interval). Transmission Fluid Service: Every 30,000-60,000 miles for automatic, often 'lifetime' for manuals but fluid change recommended. Spark Plugs: Typically around 30,000 miles for the M30 engine. Fluid Specifications Engine Oil Type: 10W-40 or 20W-50 (API SG/SH or higher, consult manual for exact viscosity and spec) Coolant: BMW Antifreeze/Coolant (blue or green ethylene glycol based, 50/50 mix with distilled water) Fluid Capacities Engine Oil Capacity 635Csi: ~6.5 liters (6.9 US quarts) Engine Oil Capacity M6: ~6.5 liters (6.9 US quarts) Cooling System Capacity: ~10-12 liters (10.6-12.7 US quarts) Known Issues Common Problems:...