Positioning:
The BMW 6 Series (E24) was positioned as a luxury grand tourer, blending performance with comfort and sophisticated styling. The 633CSi represented a potent, yet refined, option within this esteemed segment.
Competitors:
Competed directly with luxury coupes from Mercedes-Benz (e.g., SEC models), Porsche (928), Jaguar (XJ-S), and other premium European manufacturers.
Styling:
Iconic 'shark nose' design by Paul Bracq, long hood, sleek profile, and luxurious interior appointments.
Performance:
The 633CSi offered strong inline-six performance, advanced independent suspension, and rear-wheel drive for engaging driving dynamics.
Years Covered:
1983, 1984, 1985, 1986, 1987, 1988, 1989
Estimated Page Count:
High (typical for a comprehensive workshop manual, likely 1000+ pages)
Type:
Service Repair Workshop Manual
Format:
Likely Digital (PDF) based on typical online sales, potentially also available in print.
Engine:
Detailed diagnosis, repair, and overhaul of the M30B33 engine, including fuel injection (Bosch L-Jetronic/Motronic), ignition system, cooling system, lubrication system, and emission controls.
Transmission:
Service and repair procedures for both the Getrag 4-speed automatic and 5-speed manual transmissions, including clutch, driveshafts, and differential.
Suspension:
Front and rear suspension components, including struts, control arms, bushings, anti-roll bars, and shock absorbers. Wheel alignment specifications.
Brakes:
Hydraulic brake system, including master cylinder, brake lines, calipers, pads, rotors, and rear drums (if applicable). ABS system diagnosis and repair (if equipped).
Electrical:
Comprehensive wiring diagrams, diagnosis of electrical components, starter, alternator, battery, lighting system, dashboard instruments, power windows, locks, and climate control.
Bodywork:
Body panel removal and installation, door mechanisms, glass replacement, interior trim, and body repair techniques. Corrosion protection.
Maintenance:
Scheduled maintenance tasks such as oil changes, filter replacements, spark plug replacement, coolant flushes, brake fluid changes, and belt inspection/replacement.
Troubleshooting:
Diagnostic flowcharts and step-by-step troubleshooting guides for common and complex issues across all vehicle systems.
Repair:
Detailed, step-by-step instructions for component removal, repair, reassembly, and installation. Includes torque specifications, special tool requirements, and adjustment procedures.
Depth:
Full mechanical and electrical overhaul, including engine rebuilds, transmission overhauls, and complex electrical system diagnostics. Suitable for professional mechanics and experienced DIY enthusiasts.
Print Quality:
High-resolution scans with clear text and legible diagrams, suitable for printing.
Binding Type:
N/A (for digital formats) - If printed, typically spiral-bound or perfect-bound for durability.
Paper Type:
N/A (for digital formats) - If printed, typically heavy-weight paper stock to withstand workshop use.
Engine Type:
3.3L (3210cc) SOHC Inline 6-cylinder
Bore X Stroke:
89.0 mm x 87.0 mm
Compression Ratio:
8.0:1 (approx.)
Horsepower:
Approx. 197 hp @ 5500 rpm (US Spec)
Torque:
Approx. 214 lb-ft @ 3500 rpm (US Spec)
Fuel Injection:
Bosch L-Jetronic or Motronic electronic fuel injection
Fuel Type:
Unleaded Premium Gasoline (91+ Octane)
Type:
Getrag 4-speed Automatic (e.g., ZF 4HP22) or 5-speed Manual
Availability:
5-speed manual transmission was optional on most models.
Fluid Type:
Refer to manual for specific ATF type (e.g., Dexron II for automatic) or manual transmission fluid (e.g., GL-4).
Length:
Approx. 194.4 inches (4938 mm)
Width:
Approx. 70.5 inches (1791 mm)
Height:
Approx. 53.7 inches (1364 mm)
Wheelbase:
Approx. 104.5 inches (2654 mm)
Curb Weight:
Approx. 3700-3900 lbs (1678-1769 kg), depending on transmission and options.
Crash Test Data:
Era-specific safety features; no modern standardized crash test ratings available for these years. Focus on passive safety like crumple zones and seat belts.
ABS:
Anti-lock Braking System (ABS) was often optional or standard on later models.
Seat Belts:
Three-point inertia-reel seat belts for front occupants.
Headrests:
Adjustable front and rear headrests.
Audio System:
Factory premium sound systems with cassette player; potential for upgraded aftermarket head units.
Climate Control:
Manual or automatic climate control systems with A/C and heater core functionality.
Cruise Control:
Standard cruise control functionality.
Phone Integration:
No integrated smartphone connectivity; requires aftermarket solutions.
Oil Change:
Typically every 5,000-7,500 miles or annually, whichever comes first.
Spark Plugs:
Replace every 30,000-60,000 miles depending on plug type (e.g., copper vs. platinum).
Coolant Flush:
Every 2-3 years or 30,000-50,000 miles.
Engine Oil:
SAE 15W-40 or 20W-50 (check manual for specific viscosity based on climate and temperature) API SG or higher. Capacity: Approx. 6.5 liters (7 quarts) with filter.
Coolant:
BMW Blue Antifreeze/Coolant (or equivalent ethylene glycol based with corrosion inhibitors). Mixture: 50/50 with distilled water.
Brake Fluid:
DOT 3 or DOT 4 brake fluid.
Fuel System:
Aging fuel lines, deteriorating fuel injectors, and potential issues with the frequency valve unit (if applicable to the specific ECU).
Electrical:
Corroded wiring harnesses, failing relays, alternator voltage regulator issues, and dashboard illumination problems.
Suspension Bushings:
Wear and tear on control arm bushings, subframe bushings, and sway bar links leading to poor handling and noise.
Cooling System:
Radiator leaks, hose deterioration, and water pump failure due to age and material degradation.
Rust:
Prone to rust in wheel wells, rocker panels, strut towers, and around window seals due to age and climate exposure.
Heritage:
BMW, founded in 1916, is renowned for producing sporty luxury vehicles with a strong emphasis on driving dynamics and engineering excellence.
Generation:
E24 generation, produced from 1976 to 1989. The 633CSi was an early and significant model within this coupe lineage, evolving from the 3.0CS and 3.3Li.
Production Years:
The 633CSi specifically was produced for the North American market from 1978 to 1984, with the years 1983-1989 in the manual title likely encompassing the broader E24 platform's evolution and potentially covering updated versions of the 6-cylinder coupe, even if the '633CSi' designation shifted to '635CSi' in later years. This manual likely covers the M30 engine in its 3.3L iteration and potentially the later 3.5L variant found in the 635CSi, which shares many core systems.
Manufacturing Location:
Germany
