Target Audience:
Technicians, mechanics, DIY enthusiasts, and anyone interested in repairing or understanding the BMW E24 635CSi.
Primary Benefit:
Provides comprehensive electronic troubleshooting information to aid in diagnosing and repairing complex vehicle systems.
Content Authenticity:
Maintains technical data as per the original manufacturer's specifications.
Pricing Access:
Offered at a low price with instant download access, saving time and effort compared to sourcing physical manuals.
Primary Coverage:
Electronic Troubleshooting
Secondary Coverage:
General Maintenance, Engine Service, Transmission Service, Brake System, Wiring Diagrams, Electrical Systems, Suspension, Periodic Lubrication, Steering, Cooling System, Fuel Injection, Fuel System, Emission System, HVAC, Engine Control Systems, Chassis/Body, Restraint Systems, Interior, Differential/Drive, Axle
Estimated Page Count:
Hundreds to Thousands (printable at great quality)
Type:
Factory Service Repair Manual
Engine Management:
Detailed coverage of fuel injection, ignition, and engine control systems, including electronic troubleshooting for sensors, actuators, and ECUs.
Electrical System:
Comprehensive electrical system diagnostics, including wiring diagrams, component testing, and troubleshooting of power distribution, lighting, and auxiliary systems.
Transmission:
Service and repair procedures for the automatic transmission, including troubleshooting of electronic control components and hydraulic circuits.
Brakes:
Diagnostic information for the hydraulic and potentially ABS (if equipped) brake systems, focusing on electronic control and troubleshooting.
Suspension Steering:
Troubleshooting guidance for suspension and steering components, including hydraulic or electronic power steering systems if applicable.
Cooling Fuel Exhaust:
Diagnostic procedures for the cooling system, fuel system (including injection), and emission control systems.
Comfort Controls:
Troubleshooting for HVAC (Heater/Air Conditioning) systems and interior electronics.
Troubleshooting:
Systematic diagnostic procedures, fault code interpretation (if applicable), and step-by-step troubleshooting trees for electronic and mechanical issues.
Repair:
Detailed repair instructions for various components and systems, often including component removal, installation, and adjustment.
Maintenance:
General maintenance tasks, periodic lubrication, and fluid specifications.
Wiring Diagrams:
Complete and detailed electrical wiring schematics for all vehicle systems.
Diagnostic Capability:
Advanced diagnostic procedures, likely requiring specialized tools for electronic systems, mirroring factory technician capabilities.
Component Level:
Detailed information on individual component testing, specifications, and potential failure modes.
Format Details:
PDF files, some potentially requiring unzipping for larger manuals. Compatible with all versions of Windows & Mac.
Quality:
Printable at GREAT QUALITY, ensuring clarity of diagrams and text.
Binding:
Digital Download (not a physical book)
Paper Type:
N/A (Digital)
Software Requirements:
Adobe PDF Reader, WinZip (for larger files).
Engine Type:
Inline 6-cylinder, SOHC
Displacement:
3.4 liters (3430 cc)
Horsepower:
Approx. 218 hp @ 5700 rpm (European spec, US spec may differ slightly)
Torque:
Approx. 224 lb-ft (304 Nm) @ 4000 rpm (European spec, US spec may differ slightly)
Injection System:
Bosch L-Jetronic fuel injection
ECU:
Motronic (early integrated engine management system)
Type:
ZF 4HP22 4-speed automatic transmission
Type:
Getrag 265 5-speed manual transmission
Automatic Control:
Electronically controlled automatic transmission with adjustable driving modes (e.g., Sport/Economy in some models).
Automatic Transmission Fluid:
Dexron II (or equivalent)
Length:
Approx. 191.9 inches (4874 mm)
Width:
Approx. 70.5 inches (1791 mm)
Height:
Approx. 52.9 inches (1344 mm)
Curb Weight:
Approx. 3570 - 3700 lbs (1619 - 1678 kg, depending on transmission and options)
Wheel Bolt Pattern:
5x120mm
Standard Tire Size:
205/70VR14 or 225/60VR14 (may vary by market and option)
Audio System:
Premium sound systems were often optional, featuring cassette players and multiple speakers.
Cruise Control:
Standard on most 635CSi models, electronically controlled.
Climate Control:
Optional automatic climate control (ECC - Electronic Climate Control) with manual override.
Oil Change:
Typically every 5,000-7,500 miles or annually (refer to specific manual for exact mileage).
Spark Plugs:
Recommended replacement at approximately 30,000 miles.
Engine Oil:
SAE 20W-50 or SAE 15W-40 (check manual for specific viscosity based on temperature).
Coolant:
BMW Blue/Green coolant (50/50 mix with distilled water).
Electrical Connectors:
Degradation of electrical connectors and wiring insulation, leading to intermittent faults.
Fuel System:
Clogged fuel injectors, failing fuel pump, or faulty fuel pressure regulator.
Cooling System:
Leaking coolant hoses, radiator, or water pump; thermostat failure.
Suspension:
Wear in control arm bushings, ball joints, and shock absorbers.
Air Filter:
Example: Mann-Filter C 31 224 / 1
Oil Filter:
Example: Mann-Filter W 940 / 1
Brand Focus:
BMW's reputation for performance, luxury, and engineering excellence.
E24 Generation:
First generation E24, produced from 1976 to 1989. The 635CSi was introduced in 1978 as the successor to the 633CSi.
1985 Updates:
Minor updates often occurred annually. For 1985, specific mechanical or cosmetic changes might include revised interior trim or minor engine management adjustments.
Manufacturing Location:
Germany
