1994 BMW 740iL service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Wiring diagrams and electrical sections
- Powertrain, brakes, steering, suspension, HVAC and more
Trims covered
- Base Sedan 4-Door
Engines covered
- 4.0L 3982CC V8 GAS DOHC Naturally Aspirated
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
THE BRAKE LIGHT SWITCH CAN FAIL ALLOWING THE SWITCH TO REMAIN IN THE "BRAKE LIGHTS OFF" POSITION OR IN THE "BRAKE LIGHTS ON" POSITION.
IF THIS HAPPENS, THE BRAKE LIGHTS EITHER WILL NOT OPERATE OR WILL BE CONTINUOUSLY ON, REGARDLESS OF
DEALERS WILL REPLACE THE EXISTING BRAKE LIGHT SWITCH WITH A NEWLY DESIGNED SWITCH.
The basic conditions for initializing the power windows are not met.
THE CONSUMER TEST DROVE THIS VEHICLE AND NOTICED ROUGH IDLE, IN WHICH HE FELT THAT THIS WAS A SIGN OF IMPENDING FAILURE. THE ENGINE IS PRONE TO PREMATURE FAILURE BEFORE 100K MILES. THE NAKASIL ENGIN
THE CONSUMER IS CONCERNED ABOUT THE NIKASIL M60B40 4.0 L (3982CC) FUEL INJECTED, DOHC, V-8 ENGINES, THAT ARE PRONE TO PREMATURE FAILURE BEFORE 100K MILES. (WHICH CAN ALSO CAUSE EROSION DUE TO AMERICA
THIS ENGINE IS A NIKASIL ENGINE THAT HAS NOT FAILED YET, BUT WILL FAIL DUE TO THE MATERIAL USED. MR
Showing the 3 most serious of 4 complaints filed with NHTSA.
