🏷️ Basic Information

Make:

BMW

Model:

635CSi

Series:

E24

Year:

1989

Chassis Code:

E24

👋 Introduction

Target Audience:

Technicians, Mechanics, DIY Enthusiasts

Advantage Price:

Low Price Point for Comprehensive Information

Advantage Delivery:

Instant Access via Digital Download

Feature Completeness:

Official Full Complete Factory Service Repair Manual Information

Feature Data Accuracy:

Technical Data Kept Like Original Manufacturer Book

Feature Usability:

Aids in Repair, Learning, and Work in Car Repairs

📋 Manual Details

Primary Focus:

Electronic Troubleshooting

Additional Coverage:

General Maintenance, Engine Service/Repair, Transmission Service/Repair, Brake System, Wiring Diagrams, Electrical System, Suspension, Periodic Lubrication, Steering, Cooling System, Fuel Injection, Fuel System, Emission System, HVAC, Engine Control System, Chassis/Body, Restraint System, Interior, Differential/Drive, Axle

Estimated Page Count:

Hundreds to Thousands (Printable)

Type:

Factory Service Repair Manual (Electronic Troubleshooting Focus)

Language:

English

File Format:

PDF

Delivery Method:

Instant Download

📖 Manual Coverage

Engine Management:

Engine Control System, Fuel Injection, Emission System

Drivetrain:

Transmission Service/Repair, Differential/Drive, Axle

Chassis And Suspension:

Suspension, Steering, Brake System

Electrical And Electronic:

Electrical System, Wiring Diagram, Engine Control System

Comfort And Convenience:

Heater/Air Conditioner, Interior

Diagnostics:

Electronic Troubleshooting, Fault Code Diagnosis, Circuit Analysis

Maintenance:

General Maintenance, Periodic Lubrication, Maintenance Check List, Maintenance Chart

Repair:

Engine Service/Repair, Transmission Service/Repair, Brake System Repair, Cooling System Repair, Fuel System Repair

Diagrams:

Complete Wiring Diagrams, Circuit Diagrams, Component Datasheets

Depth:

Comprehensive Factory Data for Technicians and Enthusiasts

📊 Manual Specifications

Readability:

High Quality Printable PDF

Compatibility:

Windows & Mac Compatible

Archive Requirement:

WinZip (for larger files)

Reader Requirement:

Adobe PDF Reader

Quality:

Great Quality Printable Pages

Type:

Digital Download (No Physical Binding)

Type:

N/A (Digital Format)

⚙️ Engine Specifications

Engine Code:

M30B35

Displacement:

3.430 cc (3.4 Liters)

Configuration:

Inline 6-Cylinder

Valvetrain:

SOHC (Single Overhead Camshaft)

Horsepower:

~208-218 hp (SAE Gross) @ ~5700 rpm (depending on market and specific tuning)

Torque:

~224-230 lb-ft (SAE Gross) @ ~4000 rpm (depending on market and specific tuning)

Fuel Delivery:

Bosch L-Jetronic Fuel Injection

Fuel Type:

Unleaded Gasoline (Premium)

Recommended Viscosity:

10W-40 or 20W-50 (refer to manual for exact specifications and temperature ranges)

Oil Capacity:

Approx. 6.5 Liters (6.9 US Quarts) with filter change

🔧 Transmission

Type:

Getrag 265 5-Speed Manual Transmission

Type:

ZF 4HP-22 4-Speed Automatic Transmission

Manual Gear Ratios:

Refer to manual for specific gear ratios (e.g., 1st: 4.04, 2nd: 2.35, 3rd: 1.50, 4th: 1.23, 5th: 1.00 - ratios may vary slightly)

Automatic Modes:

Standard (D), Sport (S), Economy (E)

Manual Transmission Fluid:

BMW ATF (Type T-IV or equivalent for ZF automatic, specific manual gear oil for Getrag - refer to manual)

Automatic Transmission Fluid Capacity:

Approx. 10-12 Liters (10.6-12.7 US Quarts) total fill

📐 Dimensions

Length:

Approx. 4758 mm (187.3 in)

Width:

Approx. 1797 mm (70.7 in)

Height:

Approx. 1370 mm (53.9 in)

Wheelbase:

Approx. 2754 mm (108.4 in)

Curb Weight:

Approx. 1540-1650 kg (3395-3638 lbs) depending on transmission and options

Gross Vehicle Weight Rating:

Refer to vehicle data plate

🛡️ Safety Features

Crash Test Data:

N/A (Modern crash test ratings not applicable to 1989 model year standards; refer to manual for design specifications)

Braking System:

4-Wheel Disc Brakes (Ventilated Front)

ABS:

Available (Anti-lock Braking System)

Airbags:

Driver's Airbag (standard on later models, optional on earlier ones, verify for 1989)

Seatbelts:

3-Point Inertia Reel Seatbelts (Front), 3-Point Seatbelts (Rear)

💡 Technology Features

Head Unit:

Period-appropriate BMW Bavaria C III or similar aftermarket unit likely installed.

Speaker System:

Multiple speaker locations throughout the cabin.

Cruise Control:

Standard feature on most 635CSi models.

Early Electronics:

Basic electronic engine management, limited connectivity features typical of the late 1980s.

🔧 Maintenance

Oil Change Interval:

Every 7,500-10,000 miles or annually (refer to manual for specific guidance based on driving conditions)

Transmission Fluid Change Interval:

Automatic: 30,000-50,000 miles; Manual: Check for leaks, fluid condition inspection

Spark Plug Replacement Interval:

Approx. 30,000 miles (check manual for specific type and gap)

Coolant Type:

BMW Blue Antifreeze/Coolant (G48 or equivalent ethylene glycol-based coolant)

Coolant Capacity:

Approx. 12 Liters (12.7 US Quarts)

Brake Fluid Type:

DOT 4

Power Steering Fluid Type:

BMW ATF or CHF 11S (confirm via manual)

Common Problems:

Age-related wear: Rubber hoses and seals degradation, cooling system component failures (water pump, radiator), fuel system component issues (fuel pump, injectors), electrical gremlins (corrosion, worn wiring), differential seal leaks, window regulator failures.

Maintenance Focus:

Due to the age of the vehicle, diligent maintenance and proactive replacement of aging components are crucial for reliability.

📚 Vehicle History

Brand Essence:

BMW represents 'Ultimate Driving Machine' with a focus on performance, engineering, and luxury.

E24 Generation:

First generation (1976-1989), known for its elegant coupe styling and powerful performance, successor to the E9 coupe.

E24 Updates:

The 1989 model is part of the later E24 facelift (1982 onwards) which included updated styling, chassis, and powertrain enhancements. The 635CSi model was updated with the M30B35 engine in many markets.

Production Years:

1976-1989

Manufacturing Location:

Germany

🏆 Awards & Recognition

Automotive Press Acclaim:

The E24 6 Series, particularly the 635CSi, was widely praised by automotive press for its blend of luxury, performance, and classic GT styling.

Collectible Status:

Highly regarded as a modern classic and collectible BMW.