Target Audience:
Enthusiasts, DIY mechanics, and professional technicians working on the BMW E24 6 Series.
Value Proposition:
Provides comprehensive, factory-level repair and maintenance information, saving significant costs on professional service.
Comparative Advantage:
This manual is likely the definitive factory service manual, offering a depth of detail unparalleled by generic repair guides.
Completeness:
Extremely comprehensive, covering virtually all aspects of the vehicle from mechanical to electrical and body.
Visual Aids:
Emphasis on exploded views and diagrams enhances understanding of complex procedures.
Systems Covered:
General Data and Maintenance, Engine, Engine Electrical System, Fuel System, Fuel Supply System, Cooling System, Exhaust System, Clutch, Manual Transmission, Automatic Transmission, Gearshift Mechanism, Driveshaft, Front and Rear Axle, Steering and Wheel Alignment, Brakes, Wheels and Tires, Suspension System, Body, Body Equipment, General Electrical System, Instruments, Heating and Air Conditioning, Remote Control System, SRS, Navigation System, Accessories
Page Count:
Over 800 pages
Manual Type:
Repair Service Manual
Engine Mechanical:
Detailed coverage of engine components, including assembly, disassembly, overhaul, and troubleshooting for 633CSi, 635CSi, and M6 variants.
Engine Electrical:
Comprehensive diagnostics and repair procedures for ignition, starting, charging, and engine control systems.
Fuel System:
In-depth information on fuel injection, fuel pumps, lines, filters, and emission control systems.
Cooling System:
Detailed procedures for radiator, water pump, thermostat, hoses, and cooling fan maintenance and repair.
Exhaust System:
Information on exhaust manifold, catalytic converter (if applicable), mufflers, and piping.
Transmission:
Complete repair and maintenance for both manual (Getrag 265, dogleg optional) and automatic transmissions (ZF 4HP22).
Drivetrain:
Coverage of driveshaft, universal joints, differential, and axle shafts.
Suspension:
Detailed procedures for front and rear suspension components, including springs, shocks, control arms, bushings, and sway bars.
Steering:
Information on power steering system, steering box/rack, tie rods, and wheel alignment specifications.
Brakes:
Comprehensive coverage of hydraulic brake system, ABS (if equipped), calipers, rotors, pads, master cylinder, and bleeding procedures.
Electrical System:
Extensive wiring diagrams, component testing, and troubleshooting for all vehicle electrical systems, including lighting, accessories, and instruments.
Body And Interior:
Procedures for body panel repairs, doors, windows, seats, trim, and interior components.
HVAC:
Detailed diagnostics and repair for heating, ventilation, and air conditioning systems.
Safety Systems:
Coverage of SRS (Supplemental Restraint System) components and diagnostics.
Routine Maintenance:
Scheduled maintenance tasks, fluid changes, filter replacements, and general inspections.
Diagnostic Troubleshooting:
Step-by-step diagnostic guides for identifying and resolving common and complex issues.
Component Replacement:
Detailed instructions for replacing various parts and components.
Engine Rebuilding:
Comprehensive procedures for engine disassembly, inspection, machining, and reassembly.
Transmission Overhaul:
Detailed guidance for the complete overhaul of both manual and automatic transmissions.
Electrical Repair:
Wiring diagram interpretation, component testing, and repair for electrical faults.
Brake System Repair:
Procedures for brake pad/shoe replacement, caliper/wheel cylinder overhaul, brake line repair, and ABS troubleshooting.
Suspension And Steering Alignment:
Instructions for component replacement and detailed wheel alignment specifications.
Depth Of Coverage:
Highly detailed, covering everything from basic fluid checks and tire pressure to full engine and transmission rebuilds, including electronic system diagnostics.
Illustrations:
Features detailed exploded views, diagrams, and pictures to illustrate procedures.
Accuracy:
Represents the same level of detail and accuracy used by professional BMW technicians.
Engine 633Csi:
3.2L (3210cc) M30B32 inline-six, producing approximately 197 hp and 210 lb-ft torque.
Engine 635Csi:
3.5L (3430cc) M30B34/M30B35 inline-six, producing approximately 218 hp and 232 lb-ft torque (Euro spec).
Engine M6:
3.5L (3453cc) S38B35 inline-six (M-Power), producing approximately 256 hp and 243 lb-ft torque (Euro spec) / 210 hp (US spec).
Fuel Delivery System:
Bosch L-Jetronic or Motronic fuel injection systems, depending on model year and variant.
Engine Management:
Electronic engine control units (ECU) managing fuel injection and ignition timing.
Valve Train:
SOHC (Single Overhead Camshaft) with two valves per cylinder.
Standard Transmission Type:
4-speed or 5-speed manual transmission (e.g., Getrag 265, with optional 'dogleg' first gear for some performance models).
Optional Transmission Type:
ZF 4HP22 4-speed automatic transmission.
Clutch Type:
Hydraulically operated single-plate dry clutch.
Transmission Fluid Manual:
Likely SAE 75W-90 or SAE 80W-90 GL-4/GL-5 gear oil, specific grades detailed in manual.
Transmission Fluid Automatic:
Dexron III or equivalent ATF fluid, specific grade detailed in manual.
Body Styles:
2-door coupe, 4-door sedan (E24 was primarily a coupe, but 'sedan' in the product description may refer to the general 6 Series lineage or a misstatement; E23 was the sedan), convertible (later model years).
Wheelbase:
Approximately 2,774 mm (109.2 inches).
Length:
Approximately 4,783 mm (188.3 inches).
Width:
Approximately 1,795 mm (70.7 inches).
Height:
Approximately 1,365 mm (53.7 inches).
Curb Weight:
Varies by model, typically between 1,550 kg (3,417 lbs) and 1,700 kg (3,748 lbs).
Oil Change:
Typically every 5,000-7,500 miles or annually, depending on driving conditions (specific interval detailed in manual).
Tune Up:
Spark plugs, air filter, fuel filter every 20,000-30,000 miles (details in manual).
Valve Adjustment:
Recommended periodically, as these engines utilize mechanical valve lifters (specific interval in manual).
Engine Oil Specification:
API SG or higher, viscosity typically 20W-50 or 10W-40 depending on climate. Check manual for exact BMW LL-01 or equivalent specs.
Coolant Type:
Ethylene glycol based coolant, typically a 50/50 mix with distilled water. BMW's blue coolant or equivalent.
Brake Fluid:
DOT 3 or DOT 4 brake fluid.
Cooling System:
Plastic thermostat housings and coolant reservoir can become brittle and crack. Radiator hoses should be inspected regularly.
Fuel System:
Fuel distributor seals, fuel pump reliability, and injector health are critical.
Electrical System:
Corrosion in connectors, failing grounds, and aging wiring looms can cause intermittent electrical faults.
Suspension:
Worn control arm bushings, tie rod ends, and rear subframe mounts are common wear items.
Body:
Rust can be an issue, particularly around wheel arches, rocker panels, and sunroof areas. Body seal degradation can lead to water ingress.