The BMW 3 Series (F30, F31, F34) Service Manual: 2012-2015 contains
in-depth maintenance, service and repair information for the BMW 3
Series from 2012 to 2015. The aim throughout has been simplicity and
clarity, with practical explanations, step-by-step procedures and
accurate specifications. Whether you're a professional or a
do-it-yourself BMW owner, this manual helps you understand, care for and
repair your 3 Series.
The do-it-yourself BMW owner will find this manual indispensable as a
source of detailed maintenance and repair information. Even if you have
no intention of working on your vehicle, you will find that reading and
owning this manual makes it possible to discuss repairs more
intelligently with a professional technician.
Maintenance procedures from changing the cabin microfilter to replacing
and registering a new battery. This manual tells you what to do and how
and when to do it.
Front-to-rear fluid and lubricant service, including xDrive transfer
case fluid and ATF.
Cylinder head cover gasket and crankshaft seal replacement.
Cooling system, thermostat and radiator service.
Gasoline fuel and ignition system diagrams and explanations for
turbo-valvetronic-direct injection (TVDI) engines.
Diesel fuel injection system diagrams and explanations for turbo-direct
injection (TDI) engine management systems.
Service and repair information on BMW EfficientDynamics technology, such
as Valvetronic, xDrive, TwinPower turbo, and DSC (dynamic stability
control). Twin scroll (gasoline) and variable vane (diesel) turbocharger
removal and installation.
Step-by-step variable camshaft timing (VANOS) service. Suspension
repairs, including wheel bearing replacement.
Brakes, steering and ABS troubleshooting and repair. Heating and
air-conditioning repair, including A/C component replacement.
Body and hood repairs and adjustments. Electrical system service, with
an easy-to-use illustrated component locator section.
Comprehensive wiring schematics, including fuses and grounds.
BMW OBD II diagnostic trouble codes, SAE-defined OBD II P-codes, as well
as basic scan tool operation.
BMW factory tolerances, wear limits, adjustments and tightening torques.
N20 engine: 320i, 328i, including xDrive
N26 (SULEV) engine: 328i including xDrive
N55 engine: 335i, including xDrive
N47 engine: 328d, including xDrive Manual transmissions (remove,
install, external service):
GS6-17BG (4-cylinder models)
GS6-45BZ (6-cylinder models, RWD)
GS6X-45BZ (6-cylinder models, with xDrive)
Automatic transmissions (remove, install, external service):