2012 BMW 740i Service and Repair Manual

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Factory-Grade Data

2012 BMW 740i 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
  • M Sport 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

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Vehicle Safety Data

2012 BMW 740i Recalls & Complaints

NHTSA #17V06700002/02/2017Component: POWER TRAIN:DRIVELINE:CONSTANT VELOCITY JOINT

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

Consequence

If the CV joint breaks, the vehicle may have a loss of propulsion, increasing the risk of a crash.

Remedy

BMW will notify owners, and dealers will inspect the rear driveshaft CV joint and, based on its prod

TSB #10249027

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

TSB #10249437

The basic conditions for initializing the power windows are not met.

TSB #10247567

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

TSB #10245422

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

TSB #10230716

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

TSB #10227568

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

TSB #10225126

Vehicle cannot be opened or closed using comfort access, engine start is not possible, and the vehicle may not start when placing the key against the steering column.

TSB #10214990

The Headunit High (HU-H), also called NBT, began replacing the Car Information Computer (CIC) on certain MY2013 vehicles with option 609 (as of 7/2012 production). This uses map North America NEXT. The Headunit High 2 (HU-H2), also called N

Showing the 8 most recent of 27 technical service bulletins on file with NHTSA.

20190306Component: ENGINE

I PULLED IN TO MY HOME TO DISCOVER THAT MY BMW WAS LEAKING OIL AFTER TAKING IT TO A BMW SERVICE CENTER THEY DIAGNOSED AND INDEED I HAD AN OIL LEAK FROM THE GASKET HOUSING SEAL CAR WAS STILL OPERATING

20190306Component: SEAT BELTS

I PULLED IN TO MY HOME TO DISCOVER THAT MY BMW WAS LEAKING OIL AFTER TAKING IT TO A BMW SERVICE CENTER THEY DIAGNOSED AND INDEED I HAD AN OIL LEAK FROM THE GASKET HOUSING SEAL CAR WAS STILL OPERATING

20140519Component: ELECTRICAL SYSTEM

WE WERE TRAVELING I-75 SOUTH NEAR GAINESVILLE, FL., AND THE VEHICLE JUST SHUT DOWN. WE WERE IN THE FAST LANE AND HAD TO STRUGGLE TO STEER IT TO GET IT OFF THE HWY. LIGHT CAME ON SAYING DRIVETRAIN MALF

Showing the 3 most serious of 6 complaints filed with NHTSA.

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