Segment:
Luxury Grand Tourer (GT)
Target Audience:
Performance-oriented luxury car buyers, enthusiasts, and independent repair shops
Key Competitors:
Mercedes-Benz SEC Coupe, Porsche 928, Jaguar XJ-S
Styling:
Iconic Giugiaro design, long hood, shark-nose front end, pillarless coupe profile
Driving Dynamics:
Renowned BMW handling, rear-wheel drive, sophisticated suspension
Benefit To Owner:
Save significant money on repairs and maintenance by performing DIY services.
Usability:
Easy-to-follow step-by-step instructions and clear illustrations.
Delivery:
Instant email delivery after payment.
Satisfaction:
Customer Satisfaction Guaranteed.
Overall Coverage:
Complete service and repair procedures for all models and sub-variants
Engine Coverage:
All engines associated with the 633CSi, 635CSi, and M6 models
Transmission Coverage:
All transmission types including manual and automatic
Trim Level Coverage:
All trim levels offered for the 633CSi, 635CSi, and M6
Estimated Page Count:
Likely 1000+ pages, typical for comprehensive workshop manuals of this era.
Type:
Complete Workshop Service Repair Manual
Format:
Downloadable Digital Format (PDF compatible)
Engine Mechanical:
Engine assembly, cylinder head, pistons, crankshaft, camshafts, timing components, lubrication system
Engine Electrical:
Ignition system, starting system, charging system, engine control unit (ECU) and sensors, fuel injection system
Fuel System:
Fuel tank, fuel pump, fuel lines, fuel injectors, fuel pressure regulator
Cooling System:
Radiator, water pump, thermostat, cooling fan, hoses, coolant specifications
Exhaust System:
Exhaust manifolds, catalytic converter, mufflers, exhaust pipes
Transmission Manual:
Clutch system, gearbox overhaul, shift linkage, transmission fluid specifications
Transmission Automatic:
Automatic gearbox overhaul, torque converter, transmission fluid, electronic controls
Drivetrain:
Driveshafts, universal joints, differential, axle shafts
Suspension Front:
MacPherson struts, control arms, bushings, springs, shock absorbers, wheel bearings
Suspension Rear:
Independent rear suspension, trailing arms, bushings, springs, shock absorbers, sway bars
Steering System:
Power steering pump, steering rack, steering column, steering wheel, linkages
Braking System:
Disc brakes (front and rear), brake calipers, brake pads, brake rotors, master cylinder, brake fluid, ABS system (if equipped)
Electrical System General:
Battery, starter, alternator, fuses, relays, wiring diagrams, lighting system
Body And Chassis:
Body panel removal and installation, chassis components, rust repair guidance
Interior:
Seat removal, dashboard disassembly, trim panels, HVAC controls
HVAC System:
Air conditioning system, heating system, blower motor, controls, refrigerant types
Body Electrical:
Power windows, power locks, mirrors, wiper system, horn
Maintenance:
Routine maintenance checks, fluid changes, filter replacements, tune-ups
Troubleshooting:
Diagnostic procedures, fault finding, common problems and solutions
Repair:
Step-by-step instructions for component replacement and repair
Rebuilding:
Complete engine and transmission rebuild procedures
Installation:
Installation procedures for various components and accessories
Adjustment:
Adjustments for valves, brakes, clutch, ignition timing
Torque Specifications:
Crucial torque values for all fasteners and critical components
Depth:
Comprehensive, from basic maintenance to complete overhaul and diagnostics
Model 633Csi:
BMW M30B32 - 3.2L Inline-6 SOHC
Model 635Csi:
BMW M30B34 - 3.4L Inline-6 SOHC
Model M6:
BMW S38B35 - 3.5L Inline-6 DOHC (24 valves)
633Csi Horsepower:
Approx. 197 hp @ 5500 rpm
633Csi Torque:
Approx. 213 lb-ft @ 3500 rpm
635Csi Horsepower:
Approx. 218 hp @ 5200 rpm (Euro Spec), 182 hp (US Spec)
635Csi Torque:
Approx. 229 lb-ft @ 4000 rpm (Euro Spec), 219 lb-ft (US Spec)
M6 Horsepower:
Approx. 256 hp @ 6500 rpm (Euro Spec), 245 hp (US Spec)
M6 Torque:
Approx. 243 lb-ft @ 5000 rpm (Euro Spec), 230 lb-ft (US Spec)
Injection Type:
Bosch L-Jetronic (633CSi), Bosch Motronic (635CSi, M6)
Fuel Type:
Unleaded gasoline (Premium Recommended)
M30B32 Code:
3.2 Liter Inline-6
M30B34 Code:
3.4 Liter Inline-6
S38B35 Code:
3.5 Liter Inline-6 DOHC
Oil Change:
Typically every 5,000-7,500 miles or annually, depending on driving conditions.
Transmission Fluid Change:
Manual: Every 30,000-50,000 miles. Automatic: Every 30,000-40,000 miles, or as per manual.
Coolant Flush:
Every 2-3 years or 30,000-50,000 miles.
Spark Plugs:
Typically every 20,000-30,000 miles for the era's technology.
Engine Oil:
Refer to manual, but typically SAE 15W-40 or 10W-40 for moderate climates, API SG or higher.
Transmission Fluid Manual:
GL-4 or GL-5 Gear Oil, specific viscosity dependent on ambient temperature (e.g., 75W-90).
Transmission Fluid Automatic:
Dexron II or equivalent ATF fluid.
Brake Fluid:
DOT 3 or DOT 4.
Coolant:
BMW Blue or Green ethylene glycol-based antifreeze, mixed 50/50 with distilled water.
Fuel Lines:
Degradation of rubber fuel lines and injector seals over time.
Cooling System:
Water pump failure, radiator leaks, thermostat sticking.
Suspension Bushings:
Wear and tear on rubber suspension bushings leading to degraded handling.
Electrical Connectors:
Corrosion or degradation of electrical connectors, especially in humid climates.
Idle Control:
Issues with idle control valves and associated vacuum lines on some models.
Brand History:
BMW has a long-standing reputation for performance, luxury, and engineering excellence.
E24 Launch:
The E24 replaced the E9 coupe and was BMW's flagship coupe for over a decade.
Facelifts:
The E24 received a significant facelift in 1982 (for the 1983 model year onwards), featuring a revised front end with larger kidney grilles and a different bonnet line.
M Model Introduction:
The M635CSi (or M6 in North America) was introduced to offer enhanced performance and racing pedigree.
Production Years Covered By Manual:
1983, 1984, 1985, 1986, 1987, 1988, 1989
Manufacturing Location:
Mainly Dingolfing, Germany.
