2018 BMW 740i xDrive 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
- 3.0L 2998CC l6 GAS DOHC Turbocharged
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 FRONT AND REAR AIR SUSPENSION STRUT ASSEMBLIES LIMITED WARRANTY FOR DEFECTS IN MATERIALS OR WORKMANSHIP HAS BEEN EXTENDED TO 8 YEARS /80,000 MILES AS DETERMINED FROM THE ORIGINAL IN-SERVICE DATE.
A situation may occur where the front passenger seat is not occupied; however, a fasten seat belt warning and a front passenger seat air bag deactivation message appears. If the situation is currently present, sit in the seat and move the s
A situation may occur where the front passenger seat is not occupied; however, a fasten seat belt warning and a front passenger seat air bag deactivation message appears. If the situation is currently present, sit in the seat and move the s
The Supplemental Restraint Systems (SRS) Front Passengers Seat Occupancy Capacitive Interior Sensor (CIS) Mat for defects in materials and/or workmanship that causes a false seat occupancy alert to occur has been extended to 10 years / 120,
A situation may occur where the front passenger seat is not occupied; however, a fasten seat belt warning and a front passenger seat air bag deactivation message appears. If the situation is currently present, sit in the seat and move the s
The Supplemental Restraint Systems (SRS) Front Passengers Seat Occupancy Capacitive Interior Sensor (CIS) Mat for defects in materials and/or workmanship that causes a false seat occupancy alert to occur has been extended to 10 years / 120,
For this vehicle, the engine coolant thermostat limited warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles, as determined from the original in-service date.
EVAP SYSTEM PURGE (VENT) VALVE EXT LTD WTY (ELW) 15/150
Showing the 8 most recent of 230 technical service bulletins on file with NHTSA.
Oil pressure pump failure. MANY MODELS AFFECTED. MAINLY B58 ENGINES
BMW issued a warranty extension covering air suspension struts for certain vehicles (8 years / 80,000 miles). I own a 2018 BMW 740i. I reported front suspension concerns to an authorized BMW dealersh
The contact owns a 2018 BMW 740i. The contact stated when he was starting his vehicle a warning for "chassis" was illuminated. The contact stated that the vehicle was leaning. The contact stated that
Showing the 3 most serious of 6 complaints filed with NHTSA.
