Segment:
Luxury Grand Tourer (GT)
Era:
Classic European luxury sports coupe
Competitors 1983:
Mercedes-Benz SEC Coupe, Porsche 928, Jaguar XJ-S
Design Philosophy:
Blend of performance, luxury, and distinctive styling
Engine Heritage:
Utilizes BMW's robust and proven M30 'Big Six' engine
Driving Dynamics:
Renowned for balanced handling and powerful acceleration
Manual Value Proposition:
Provides OEM-level repair and maintenance data essential for preserving classic BMWs
Engine Coverage:
3.2L Inline-6 (M30B32), 3.5L Inline-6 (M30B34)
Transmission Coverage:
4-Speed Automatic, 5-Speed Manual
Electrical Coverage:
Full wiring diagrams, component locations, troubleshooting
Bodywork Coverage:
Exterior body panels, interior trim, glass, seals
Suspension Coverage:
Front MacPherson struts, rear semi-trailing arms, anti-roll bars
Braking System Coverage:
Front vented discs, rear solid discs, hydraulic systems
Steering System Coverage:
Recirculating ball steering, power steering system
Type:
Professional Workshop Service & Repair Manual
Compatibility:
Windows & MAC compatible
Engine Mechanical:
Detailed engine disassembly, assembly, overhaul, timing, lubrication
Engine Management:
Bosch L-Jetronic fuel injection system, ignition system diagnostics
Cooling System:
Radiator, water pump, thermostat, hoses, fan
Exhaust System:
Exhaust manifolds, catalytic converter (if applicable), mufflers, pipes
Fuel System:
Fuel tank, fuel pump, fuel lines, injectors
Drivetrain:
Driveshaft, differential, CV joints
Climate Control:
HVAC system operation, components, and repair
Instrumentation:
Instrument cluster, gauges, warning lights
Lighting System:
Headlights, taillights, interior lights, wiring
Accessory Systems:
Power windows, mirrors, sunroof, central locking
Routine Maintenance:
Oil change, filter replacement, spark plug replacement, fluid checks
Major Repairs:
Engine rebuild, transmission overhaul, cylinder head repair
Diagnostics:
Troubleshooting guides, fault code interpretation (where applicable), component testing
Adjustments:
Valve clearance adjustment, throttle linkage adjustment, timing adjustments
Special Tools:
Identification and usage of BMW-specific tools
Depth:
Comprehensive factory-level diagnostics, repair, and maintenance procedures
Detail Level:
Step-by-step instructions with detailed diagrams and illustrations
Quality:
High-resolution scans, searchable text
Searchability:
Full text search capability within PDF
Printability:
Printable pages for workshop use
Type:
Digital Download (N/A for physical binding)
Type:
Inline 6-cylinder, DOHC
Displacement 633Csi:
3210 cc (3.2 Liters)
Displacement 635Csi:
3430 cc (3.5 Liters)
Bore Stroke 633Csi:
89.0 mm x 86.0 mm
Bore Stroke 635Csi:
92.0 mm x 86.0 mm
Horsepower 633Csi:
197 hp @ 5500 rpm (approx.)
Horsepower 635Csi:
218 hp @ 5200 rpm (approx.)
Torque 635Csi:
333 Nm (245 lb-ft) @ 3500 rpm (approx.)
Injection System:
Bosch L-Jetronic Electronic Fuel Injection
Fuel Type:
Premium Unleaded Gasoline (91+ RON / 87+ Octane)
M30B32:
Code for the 3.2L M30 engine
M30B34:
Code for the 3.5L M30 engine
Type:
4-Speed ZF Automatic (e.g., 4HP22)
Type:
5-Speed Getrag Manual (e.g., 265)
Automatic Modes:
Sport and Economy modes (on some models)
Automatic Transmission Fluid:
Dexron III or equivalent (check manual for specific BMW spec)
Manual Transmission Fluid:
API GL-4 SAE 75W-90 or SAE 80W-90 gear oil (check manual for specific BMW spec)
Oil Change Interval:
Typically every 5,000 - 7,500 miles or annually (refer to manual for exact recommendation)
Spark Plug Replacement:
Refer to manual; often around 15,000-30,000 miles depending on plug type
Timing Belt Chain:
M30 engines use a timing chain, requiring inspection but typically not replacement unless worn.
Coolant Type:
BMW Blue Antifreeze/Coolant or equivalent
Power Steering Fluid:
Dexron III or CHF 11S (check manual)
Common Problem 1:
Rust (especially around wheel arches, sills, sunroof)
Common Problem 2:
Fuel distributor issues (Bosch K-Jetronic)
Common Problem 3:
Door seal deterioration
Common Problem 4:
Aging rubber hoses and bushings
Engine Cylinder Head:
Specific torque sequences and values provided in manual
Wheel Lug Nuts:
150 Nm (111 lb-ft) (typical for BMW of this era)
Bmw Legacy:
BMW's reputation for engineering excellence, performance, and luxury driving experience.
E24 Generation:
The 'Shark Nose' E24 coupe, based on the E12/E28 sedan platform, designed by Paul Bracq.
Production Period:
1976-1989
Manufacturing Location:
Dingolfing, Germany
M6 Variant:
The high-performance M635CSi (or M6 in North America) featured the powerful M88/3 engine.
Automotive Press:
Consistently praised by automotive press for its performance, luxury, and timeless design.
Collectible Status:
Highly regarded as a collectible classic BMW, with strong appreciation in the enthusiast market.
Manual Certification:
OEM-equivalent quality, produced by or based on factory documentation.
