Vehicle Class:
Luxury Grand Tourer (GT)
Target Audience For Manual:
BMW enthusiasts, DIY mechanics, independent repair shops specializing in classic BMWs.
Key Selling Point Of Manual:
Provides professional-level repair information, enabling owners to perform extensive maintenance and repairs themselves, saving significant costs.
Manual Advantage:
Comprehensive coverage, detailed diagrams, step-by-step instructions, factory-quality information.
Primary Coverage:
Mechanical, Electrical, Body, and General Maintenance
Specific Systems Covered:
Engine, Drivetrain, Suspension, Steering, Brakes, Electrical Systems, Fuel System, Exhaust System, Climate Control, Bodywork, Interior Trim
Estimated Page Count:
Extensive (typical factory manuals for this era range from 1000+ pages)
Type:
Service and Repair Workshop Manual
Language:
English (assumed, based on product description targeting English-speaking markets)
Engine Mechanical:
Complete overhaul, diagnosis, troubleshooting, component replacement (pistons, rings, bearings, valves, timing components, seals, gaskets)
Engine Management:
Fuel injection systems (Bosch L-Jetronic/Motronic), ignition systems, emissions control, sensor testing, diagnostic procedures
Drivetrain:
Manual and automatic transmission overhaul, clutch service, driveshaft, differential, axle components
Suspension And Steering:
Front and rear suspension geometry, component replacement (shocks, struts, bushings, ball joints), power steering system service
Brake System:
Hydraulic system diagnostics, ABS operation (where applicable), caliper, rotor, pad replacement, brake bleeding procedures
Electrical System:
Wiring diagrams, component testing, starter, alternator, battery, lighting, power accessories, fuse and relay identification
Body And Interior:
Panel replacement, door mechanisms, glass, upholstery, trim, climate control system servicing
Maintenance Procedures:
Oil changes, filter replacements, spark plug service, coolant flush, belt replacement, fluid level checks
Repair Procedures:
Step-by-step instructions for all major mechanical and electrical repairs, component overhauls
Troubleshooting:
Diagnostic flowcharts, symptom-based troubleshooting guides, common fault identification
Technical Specifications:
Torque values, clearances, tolerances, electrical resistance readings, diagnostic trouble codes (DTCs)
Depth:
Comprehensive: Covers everything from basic routine maintenance to complete engine and transmission rebuilds, including advanced electrical diagnostics.
Diagrams:
Highly detailed exploded views and diagrams illustrating component relationships and assembly/disassembly steps.
Engine Code Common:
M30 (B32, B34, B35)
633Csi Engine:
3.2L (3210cc) M30B32 Inline-6, Naturally Aspirated
635Csi Engine:
3.5L (3430cc) M30B34/B35 Inline-6, Naturally Aspirated
M6 Engine:
3.5L (3453cc) S38B35 Inline-6, Naturally Aspirated (performance variant)
633Csi Horsepower:
Approx. 197 hp @ 5500 rpm
635Csi Horsepower:
Approx. 218 hp @ 5200 rpm (early) / 221 hp @ 5700 rpm (late)
M6 Horsepower:
Approx. 256 hp @ 6300 rpm
635Csi Torque:
Approx. 224 lb-ft @ 4000 rpm (early) / 232 lb-ft @ 4000 rpm (late)
M6 Torque:
Approx. 243 lb-ft @ 4500 rpm
Fuel Delivery:
Bosch L-Jetronic or Motronic electronic fuel injection
Fuel Type:
Premium Unleaded Gasoline (91 octane or higher)
Length:
Approx. 191.1 inches (4854 mm)
Width:
Approx. 70.9 inches (1800 mm)
Height:
Approx. 53.7 inches (1364 mm)
Curb Weight:
Approx. 3600-3800 lbs (1633-1724 kg), varies by model and equipment
Wheelbase:
Approx. 104.5 inches (2654 mm)
Crash Test Data:
Limited official NHTSA/IIHS crash test data available for this era. Vehicles of this vintage were not subject to the same rigorous testing standards as modern vehicles.
Braking System:
Four-wheel disc brakes, often with ABS (Anti-lock Braking System) as an option or standard on later models/M6.
Occupant Protection:
Three-point seatbelts, padded dashboard, energy-absorbing steering column.
Audio System:
Factory premium sound systems, often with cassette tape player and analog radio tuning. Optional CD players available on later models.
Climate Control:
Manual or automatic climate control (ECC - Electronic Climate Control) depending on trim level and options.
ABS:
Anti-lock Braking System available as an option or standard on higher trims/later models.
Connectivity Features:
Limited by modern standards. Basic diagnostic port for check engine lights (if equipped).
Oil Change Interval:
Typically every 5,000-7,500 miles or 6-12 months, depending on driving conditions and oil used. Consult manual for specific recommendations.
Major Service Items:
Timing belt (if applicable, though M30 is a chain), coolant flush, transmission fluid service, differential fluid service, brake fluid service.
Engine Oil:
API SG/SH rated, SAE 10W-40 or 15W-50 recommended depending on climate. Consult manual for precise BMW specifications (e.g., BMW Longlife-98 if compatible).
Coolant:
Ethylene glycol based antifreeze, typically a 50/50 mix with distilled water. BMW blue or green coolant specific to the era is recommended.
Transmission Fluid Auto:
Dexron III or equivalent (consult specific ZF specifications for the 4HP22 gearbox).
Brake Fluid:
DOT 3 or DOT 4 brake fluid.
Common Problems:
Rust (fender arches, rocker panels, trunk floor), headliner sagging, window regulator failures, coolant leaks (especially hose connections and radiator), fuel injector issues, vacuum leaks causing rough idle, ABS sensor failures.
M30 Engine Quirks:
The M30 engine is robust but known for oil leaks from the rear main seal and valve cover gasket. The oil pan gasket can also weep.
Bmw Philosophy:
Known for 'The Ultimate Driving Machine', emphasizing performance, engineering, and luxury.
E24 Generation:
The E24 generation of the 6 Series, introduced in 1976, evolved into the E24/2 facelift in 1982, bringing updated styling and technology for the 1983-1989 models.
M6 Significance:
The M6 (also known as M635CSi in some markets) represented the high-performance, homologation version of the 6 Series, featuring a motorsport-derived engine and chassis upgrades.
Manufacturing Location:
Germany
Automotive Press Accolades:
The E24 6 Series was widely praised by automotive press for its driving dynamics, build quality, and elegant styling, often competing with marques like Mercedes-Benz and Jaguar.
M6 Specific Acclaim:
The M6/M635CSi was particularly lauded for its potent M88/S38 engine and exceptional handling for a large coupe, earning it a reputation as a true driver's car.
