🏷️ Basic Information Identification Make: BMW Model: M6 Model Code: E24 (M635CSi) Generation Generation: First Generation (E24) Codes Engine Codes: M88/3 (for M6), M30B34 (for M635CSi) 👋 Introduction Market Position Target Audience: BMW M6 owners, DIY enthusiasts, independent repair shops, restoration specialists Competitive Analysis Manual Authenticity: Actual Genuine Factory Repair Manual (not 3rd party) Key Features Content Detail: Hundreds of pages with all styles covered, step-by-step instructions, detailed illustrations, diagrams, photos, notes, cautions, and warnings. Usability: Easy to use, printable, searchable PDF for quick information retrieval. Value Proposition Cost Savings: Potential savings of $50-$60 per hour on shop labor costs. 📋 Manual Details Coverage Areas Years Covered: 1983, 1984, 1985, 1986, 1987, 1988, 1989 Page Count Estimated Pages: Hundreds (specific number not provided, but described as 'complete' and 'comprehensive') Manual Type Type: Factory Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine Management: Engine Service/Repair, Fuel Injection/Fuel System, Engine Control System, Emission System Drivetrain: Transmission Service/Repair, Differential/Drive, Axle Chassis: Brake System, Suspension, Steering, Chassis/Body Electrical And Accessories: Wiring Diagram, Electrical System, Heater/Air Conditioning General Maintenance: General Maintenance, Periodic Lubrication Procedures Included Diagnostic And Repair: Troubleshooting, Repair procedures (step-by-step), Diagnostic guides Maintenance And Tune Up: Scheduled maintenance, Tune-up procedures, Fluid changes Rebuilding And Restoration: Complete rebuild procedures, Refurbishing and restoration guidance Technical Depth Depth Of Coverage: Comprehensive (covers everything from basic maintenance to advanced diagnostics and rebuilds, mirroring factory technician knowledge) 📊 Manual Specifications File Format Format: PDF Resolution: High resolution Print Quality Printability: Printable without restriction (individual pages or entire manual) Binding Type Binding: N/A (Digital Download - printable to custom binding) Paper Type Paper Type: N/A (Digital Download - user dependent) Software Requirements Reader Software: Adobe PDF Reader Operating Systems: All PC based Windows operating systems, Mac OS Delivery Method Delivery: Download link provided after payment completion ⚙️ Engine Specifications Primary Engine Engine Type M6: Naturally Aspirated Inline-6 Cylinder Engine Type M635Csi: Naturally Aspirated Inline-6 Cylinder Performance Horsepower M6: 282 hp @ 6500 rpm (DIN, M635CSi) Torque M6: 333 Nm (245 lb-ft) @ 5000 rpm (DIN, M635CSi) Horsepower M6 Us Spec: 256 hp @ 6500 rpm (SAE, M6) Torque M6 Us Spec: 333 Nm (245 lb-ft) @ 5000 rpm (SAE, M6) Fuel System Fuel Delivery: Bosch L-Jetronic Fuel Injection (later models may have Motronic) Fuel Type: Premium Unleaded Gasoline Engine Details Displacement M6: 3453 cc (3.5 Liters) Bore X Stroke M6: 93.4 mm x 84 mm (M88/3) Compression Ratio M6: 10.5:1 (M88/3) Bore X Stroke M635Csi: 92 mm x 86 mm (M30B34) Compression Ratio M635Csi: 9.3:1 (M30B34) 🔧 Transmission Standard Transmission Type: 5-Speed Manual Optional Transmission Type: 3-Speed Automatic (less common for M6/M635CSi, but available in some markets for E24 chassis) Features Gearbox Model: Getrag 265 (5-speed manual) Clutch Type: Hydraulically Actuated Single Dry Plate 📐 Dimensions Exterior Length: 4,755 mm (187.2 in) Width: 1,725 mm (67.9 in) Height: 1,370 mm (53.9 in) Wheelbase: 2,794 mm (110.0 in) Weights Curb Weight: Approximately 1,650 - 1,700 kg (3,638 - 3,748 lbs) Gross Vehicle Weight Rating: Approx. 2,150 kg (4,740 lbs) 🛡️ Safety Features Ratings Crash Test Results: No standardized crash test ratings from modern agencies like NHTSA or IIHS are available for vehicles of this era. Active Features Braking System: Four-wheel Disc Brakes, Ventilated Front Discs, ABS (Anti-lock Braking System) often standard or optional. Passive Features Seat Belts: Three-point Inertia-reel Seat Belts (front), Lap Belts (rear) Body Structure: Reinforced safety cage, crumple zones Head Restraints: Adjustable front head restraints, fixed rear head restraints 💡 Technology Features Infotainment Audio System: Factory premium sound system (often Nakamichi or similar), cassette player. Climate Control: Automatic Climate Control (often standard on M variants). Driver Assistance ABS: Anti-lock Braking System (ABS) generally standard or optional on M6/M635CSi. Connectivity Connectivity Features: None by modern standards; primarily mechanical and basic electrical systems. Comfort Features Seating: Sport seats, often with power adjustments and driver's memory function. Cruise Control: Standard cruise control system. 🔧 Maintenance Service Intervals Oil Change Interval: Typically every 5,000 - 7,500 miles or 6-12 months, depending on driving conditions and oil quality used. Consult manual for specific recommendations. Transmission Fluid Change: Recommended every 30,000 - 60,000 miles or as per manual. Manual transmission fluid and differential fluid typically have longer intervals, but inspection is crucial. Fluid Specifications Engine Oil Type: Refer to manual for specific viscosity grade (e.g., 10W-40, 20W-50) and API service classification, often requiring a high-quality synthetic or semi-synthetic. Coolant Type: Ethylene Glycol based antifreeze/coolant, typically a 50/50 mix with distilled water. Specific BMW coolant specifications should be followed. Brake Fluid Type: DOT 4 Low Viscosity (LV) or DOT 4. Always use fresh, high-quality brake fluid and bleed the system properly. Known Issues E24 Chassis Common: Rust (especially around wheel arches, sills, and sunroof), aging rubber bushings, cooling system leaks, fuel delivery issues, electrical gremlins. Engine...
Complete rebuild procedures, Refurbishing and restoration guidance
Technical Depth
Depth Of Coverage:
Comprehensive (covers everything from basic maintenance to advanced diagnostics and rebuilds, mirroring factory technician knowledge)
📊 Manual Specifications
File Format
Format:
PDF
Resolution:
High resolution
Print Quality
Printability:
Printable without restriction (individual pages or entire manual)
Binding Type
Binding:
N/A (Digital Download - printable to custom binding)
Paper Type
Paper Type:
N/A (Digital Download - user dependent)
Software Requirements
Reader Software:
Adobe PDF Reader
Operating Systems:
All PC based Windows operating systems, Mac OS
Delivery Method
Delivery:
Download link provided after payment completion
⚙️ Engine Specifications
Primary Engine
Engine Type M6:
Naturally Aspirated Inline-6 Cylinder
Engine Type M635Csi:
Naturally Aspirated Inline-6 Cylinder
Performance
Horsepower M6:
282 hp @ 6500 rpm (DIN, M635CSi)
Torque M6:
333 Nm (245 lb-ft) @ 5000 rpm (DIN, M635CSi)
Horsepower M6 Us Spec:
256 hp @ 6500 rpm (SAE, M6)
Torque M6 Us Spec:
333 Nm (245 lb-ft) @ 5000 rpm (SAE, M6)
Fuel System
Fuel Delivery:
Bosch L-Jetronic Fuel Injection (later models may have Motronic)
Fuel Type:
Premium Unleaded Gasoline
Engine Details
Displacement M6:
3453 cc (3.5 Liters)
Bore X Stroke M6:
93.4 mm x 84 mm (M88/3)
Compression Ratio M6:
10.5:1 (M88/3)
Bore X Stroke M635Csi:
92 mm x 86 mm (M30B34)
Compression Ratio M635Csi:
9.3:1 (M30B34)
🔧 Transmission
Standard
Transmission Type:
5-Speed Manual
Optional
Transmission Type:
3-Speed Automatic (less common for M6/M635CSi, but available in some markets for E24 chassis)
Features
Gearbox Model:
Getrag 265 (5-speed manual)
Clutch Type:
Hydraulically Actuated Single Dry Plate
📐 Dimensions
Exterior
Length:
4,755 mm (187.2 in)
Width:
1,725 mm (67.9 in)
Height:
1,370 mm (53.9 in)
Wheelbase:
2,794 mm (110.0 in)
Weights
Curb Weight:
Approximately 1,650 - 1,700 kg (3,638 - 3,748 lbs)
Gross Vehicle Weight Rating:
Approx. 2,150 kg (4,740 lbs)
🛡️ Safety Features
Ratings
Crash Test Results:
No standardized crash test ratings from modern agencies like NHTSA or IIHS are available for vehicles of this era.
Active Features
Braking System:
Four-wheel Disc Brakes, Ventilated Front Discs, ABS (Anti-lock Braking System) often standard or optional.
Passive Features
Seat Belts:
Three-point Inertia-reel Seat Belts (front), Lap Belts (rear)
Body Structure:
Reinforced safety cage, crumple zones
Head Restraints:
Adjustable front head restraints, fixed rear head restraints
💡 Technology Features
Infotainment
Audio System:
Factory premium sound system (often Nakamichi or similar), cassette player.
Climate Control:
Automatic Climate Control (often standard on M variants).
Driver Assistance
ABS:
Anti-lock Braking System (ABS) generally standard or optional on M6/M635CSi.
Connectivity
Connectivity Features:
None by modern standards; primarily mechanical and basic electrical systems.
Comfort Features
Seating:
Sport seats, often with power adjustments and driver's memory function.
Cruise Control:
Standard cruise control system.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Typically every 5,000 - 7,500 miles or 6-12 months, depending on driving conditions and oil quality used. Consult manual for specific recommendations.
Transmission Fluid Change:
Recommended every 30,000 - 60,000 miles or as per manual. Manual transmission fluid and differential fluid typically have longer intervals, but inspection is crucial.
Fluid Specifications
Engine Oil Type:
Refer to manual for specific viscosity grade (e.g., 10W-40, 20W-50) and API service classification, often requiring a high-quality synthetic or semi-synthetic.
Coolant Type:
Ethylene Glycol based antifreeze/coolant, typically a 50/50 mix with distilled water. Specific BMW coolant specifications should be followed.
Brake Fluid Type:
DOT 4 Low Viscosity (LV) or DOT 4. Always use fresh, high-quality brake fluid and bleed the system properly.
Known Issues
E24 Chassis Common:
Rust (especially around wheel arches, sills, and sunroof), aging rubber bushings, cooling system leaks, fuel delivery issues, electrical gremlins.
Engine Common:
Oil leaks (valve cover gasket, oil pan gasket), fuel injector issues, starter motor problems, vacuum leaks affecting performance.
Transmission Common:
Clutch wear, synchro wear in manual transmissions, potential leaks from seals.
Parts And Filters
Oil Filter Example:
Mann-Filter W 10 1/5 or equivalent.
Air Filter Example:
Mann-Filter C 24 145 or equivalent.
📚 Vehicle History
Brand Heritage
Bmw Motorsport Division:
BMW M GmbH (formerly BMW Motorsport GmbH) known for high-performance versions of BMW vehicles.
Model Evolution
E24 Platform:
Based on the BMW E24 6 Series Grand Tourer, introduced in 1976. The M6/M635CSi variant was the high-performance iteration.
M6 Vs M635Csi:
In North America, the high-performance variant was officially badged as the M6 and featured the M88/3 engine. In Europe and other markets, it was known as the M635CSi and utilized the M30B34 engine.
Production
Production Years:
1976-1989 (E24 platform), M6/M635CSi specific production dates within this range.
Manufacturing Location:
Dingolfing, Germany
Production Volume:
Limited production run, making it a collectible classic.
🏆 Awards & Recognition
Recognitions
Classic Car Status:
Widely regarded as a modern classic and a highly desirable performance car from the 1980s.
Performance Heritage:
Recognized for its powerful engine, precise handling, and luxurious grand touring capabilities, cementing BMW's M division's reputation.
Certifications
Historical Significance:
Symbol of 1980s automotive performance and design.
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