2012 BMW 740Li 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 2979CC 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
BMW of North America, LLC (BMW) is recalling certain 2011-2012 135i Coupe, 1 Series M Coupe and 135i Convertible vehicles, 2011 Z4 sDrive 35i, 335i, 335d, 335i Coupe, 335is Coupe, 335i Convertible, 33
If the CV joint breaks, the vehicle may have a loss of propulsion, increasing the risk of a crash.
BMW will notify owners, and dealers will inspect the rear driveshaft CV joint and, based on its prod
The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers important information for the dealer on ho
The basic conditions for initializing the power windows are not met.
Engine will crank but not start. There is no communication with the integrated fuel module (TFE) whendiagnosing with ISTA. The following two fault codes will be stored in the DME: 032B43 - Low fuel pressure system, electric fuel pump: press
Customers may state that the alarm system (DWA) is not active after locking their unoccupied vehicle. Depending on the vehicles equipment and settings, no acoustic or optical confirmation (folding the mirrors/blinking confirmation) is notic
With the court's FINAL approval, BMW of North America, LLC (BMW NA) has entered into a nationwide settlement with the plaintiffs in the following class action: Isley, et al. v. Bayerische Motoren Werke Aktiengesellschaft and BMW of North Am
For the eligible vehicles, BMW of North America, LLC (BMW NA) is extending the limited warranty for the vehicle's Fuel Injectors to 10 years/120,000 miles as determined by the vehicle's original in-service date.
According to the customer, the airbag warning light was on, but it may not be illuminated when the vehicle arrives in the workshop. 1. ACSM fault code "930A60 - Seat occupancy detection, front passenger; malfunction" is stored. The fault ma
Component-Specific Limited Warranty Extension For the eligible vehicles, BMW of North America, LLC (BMW NA) is extending the limited warranty for the vehicle's front and rear air suspension strut assemblies (item # 1 Front and # 2 Rear, sho
Showing the 8 most recent of 25 technical service bulletins on file with NHTSA.
The contact owns a 2012 BMW 740LI Sedan. The contact stated while driving approximately 70 mph when the vehicle backfired which resulted in the vehicle exploding. The drive train malfunction warning l
WHILE DRIVING AT THE SPEED OF 55 MPH, A WARNING SOUNDS (DINGS) AS MY CAR READS DRIVE TRAIN MALFUNCTION AND IT REDUCES SPEED. IT ALSO SAYS (READS) DRIVING COMFORT RESTRICTED AND IT STOPS AUTOMATICALLY
WHILE DRIVING AT THE SPEED OF 55 MPH, A WARNING SOUNDS (DINGS) AS MY CAR READS DRIVE TRAIN MALFUNCTION AND IT REDUCES SPEED. IT ALSO SAYS (READS) DRIVING COMFORT RESTRICTED AND IT STOPS AUTOMATICALLY
Showing the 3 most serious of 8 complaints filed with NHTSA.
