2012 BMW 328i Service and Repair Manual

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Factory-Grade Data

2012 BMW 328i 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

  • Modern Sedan 4-Door
  • Base Sedan 4-Door
  • Sport Sedan 4-Door
  • Base Convertible 2-Door
  • Base Wagon 4-Door
  • Luxury Sedan 4-Door
  • Base Coupe 2-Door

Engines covered

  • 2.0L 1997CC 122Cu. In. l4 GAS DOHC Turbocharged
  • 3.0L 2979CC l6 GAS DOHC Turbocharged
  • 3.0L 2996CC l6 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

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Vehicle Safety Data

2012 BMW 328i Recalls & Complaints

NHTSA #13V45400026/09/2013Component: SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM

BMW of North America LLC (BMW) is recalling certain model year 2012-2014 320i, 328i, 320i xDrive, and 328i xDrive sedans; model year 2014 328i xDrive Sports Wagons; model year 2012-2013 528i and 528i

Consequence

A failure of the brake vacuum pump results in a reduction in braking power that could increase the r

Remedy

BMW will notify owners, and dealers will modify the vehicles to prevent insufficient vacuum pump lub

NHTSA #20V01700015/01/2020Component: AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE

BMW of North America, LLC (BMW) is recalling certain 2008-2013 128i and 135i Convertibles, 128i, 135i, and M Coupes, 2007-2010 X3 30si and X3 xDrive30i, 2013-2015 X1 sDrive28i, X1 xDrive28i and X1 xDr

Consequence

An inflator explosion may result in sharp metal fragments striking the driver or other occupants res

Remedy

BMW will notify owners, and dealers will replace the driver air bag. On X5 and X6 vehicles, only th

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 #10238090

After programming the head unit (HU-H2), activating the FSC (German word Freischaltcode) Enabling Codes repeatedly fails.

TSB #10235202

Exterior rear lights do not work.

TSB #10235205

The 3G network in the US has been shut down. This means that only the 4G network will be available. In the 4G network, voice calls will be transferred via the Voice over LTE (VoLTE) function. For this purpose, the SIM card must perform an I

TSB #10230717

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.

TSB #10230722

After an automatic engine start (MSA start), the transmission intermittently goes into the Park "P" or Neutral "N" position without any customer influence.

TSB #10215746

Component specific limited warranty extension. For the eligible vehicles, BMW of North America, LLC (BMW NA) is extending the limited warranty for the vehicle Nitrogen Oxide (NOx) Sensor(s) to: 10 years/120,000 miles as determined by the ve

Showing the 8 most recent of 587 technical service bulletins on file with NHTSA.

20130417Component: AIR BAGSCrash reported1 injured

DRIVER OF A 2012 BMW 328I, WAS MAKING A LEFT TURN OUT OF A PARKING LOT WHEN HER VEHICLE WAS STRUCK ON THE DRIVER'S SIDE (ROUGHLY THE MIDDLE OF THE VEHICLE) BY A CHEVROLET BLAZER THAT WAS TRAVELLING AT

20241214Component: UNKNOWN OR OTHERCrash reported

It’s sounds like it’s moving but it doesn’t.

20201017Component: ENGINECrash reported

TIMING CHAIN PROBLEMS, THE CAR STOP IN THE MIDDLE OF THE ROAD

20201017Component: POWER TRAINCrash reported

TIMING CHAIN PROBLEMS, THE CAR STOP IN THE MIDDLE OF THE ROAD

20130213Component: SERVICE BRAKESCrash reported

I WAS PULLING INTO THE DRIVE WAY TO PARK MY CAR. BECAUSE THERE IS A TINY SLANT, SO I DECIDED TO PUSH FOR A LITTLE GAS. THE CAR, HOWEVER, DID NOT STOP WHEN I PRESSED ON THE BRAKE. I WAS ONLY ABLE TO

Showing the 5 most serious of 196 complaints filed with NHTSA.

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