This Service Repair Manual provides service information and specifications for 8 Series (E31) 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 840i, 850Ci & 850CSi vehicles. Whether you're a professional technician or a do-it-yourselfer, this manual will help you understand, maintain, and repair systems on 840i, 850Ci & 850CSi cars.

Models covered:

Repair Manual Features:

• Detailed, comprehensive step-by-step repair procedures, explanations, and illustrated diagrams for the whole vehicle. 
• Includes all major and minor service, repair and maintenance procedures.  Complete preventive maintenance procedures from the yearly brake fluid change to resetting the oil service indicator and oxygen sensor lights. This manual tells you what to do, how and when to do it and why it's important.
• Wiring Diagrams spanning the entire wiring harness. Large, easy-to-read wiring schematics for major circuits, along with a full listing of ground points, connector and splice locations, and electronic component locations.
• Electrical Troubleshooting Manuals (1982-2001): Includes wiring diagrams and connector views along with step-by-step electrical diagnostic procedures. 
• Comprehensive Engine Management information specific to driveability problems, including troubleshooting electronically-controlled idle speed faults that are frequently misdiagnosed.
• Troubleshooting tips with fast, proven repair procedures used by professional technicians and specialists.
• Critical updates and hard-to-find information from dealer service bulletins.
• Complete procedures and specifications for rebuilding engines and transmissions.

Parts Manual Features:

• Exploded View Parts Catalog Covers Entire vehicle with all optional content.
• Includes descriptions, part numbers and part prices.

Repair Content:

• Introduction
• Electrical Wiring Manual
• Maintenance
• Preparation
• Service Specifications
• Diagnostic Trouble Codes with Repair Procedures
• Engine Mechanical
• Emission Control
• Engine Performance
• Fuel Systems
• Cooling Systems
• Lubrication
• Ignition
• Starter
• Charging System
• Clutch
• Manual Transmission
• Automatic Transmission
• Transfer Case
• Propeller Shaft
• Suspension & Axle
• Brake
• Steering
• Restraint System
• Body Electrical
• Body
• Air Conditioning
• Instrument Cluster
• Remote Control
• Navigation & Radio
• Appearance & Care

Compatible Operating Systems: