2012 BMW 335i Service and Repair Manual

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Factory-Grade Data

2012 BMW 335i 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

  • Exclusive Coupe 2-Door
  • Modern Sedan 4-Door
  • Base Sedan 4-Door
  • Exclusive Convertible 2-Door
  • Sport Sedan 4-Door
  • Base Convertible 2-Door
  • M Sport Sedan 4-Door
  • Luxury Sedan 4-Door
  • Base Coupe 2-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 335i Recalls & Complaints

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 556 technical service bulletins on file with NHTSA.

20230920Component: STEERINGCrash reported1 injured

The car Hydroplaned while driving on the interstate, spun out of control and slammed into a tree in the rear end. My son was going approximately 65 mph and upon impact no airbags deployed and the stee

20230920Component: AIR BAGSCrash reported1 injured

The car Hydroplaned while driving on the interstate, spun out of control and slammed into a tree in the rear end. My son was going approximately 65 mph and upon impact no airbags deployed and the stee

20230920Component: SEATSCrash reported1 injured

The car Hydroplaned while driving on the interstate, spun out of control and slammed into a tree in the rear end. My son was going approximately 65 mph and upon impact no airbags deployed and the stee

20150810Component: ENGINECrash reported

ON SATURDAY 8/8/15, I WAS PARKING MY BMW 335I CAR TO GET GROCERIES, AND WHILE ENTERING THE PARKING SPOT, THE ENGINE BEGAN RACING OUT OF CONTROL. I HIT THE BRAKES HARD, BUT THE CAR WOULD NOT STOP. I TR

20240710Component: ENGINE

on my car there is what is called the bowden cable that works to open and release the hood so that it can be opened. The problem with the design of the cable is that it sits right over a coolant hose

Showing the 5 most serious of 30 complaints filed with NHTSA.

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