BENTLEY PUBLISHERS B315

This Bentley Publishers manual 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.
Engines/Transmissions Covered

• N20 Gasoline Engine: 320i, 328i, Including xDrive
• N26 (SULEV) Gasoline Engine: 328i Including xDrive
• N55 Gasoline Engine: 335i, Including xDrive
• N47 Diesel Engine: 328d, Including xDrive
• GS6-17BG Manual Transmission(4-Cylinder Models)
• GS6-45BZ Manual Transmission (6-Cylinder Models, RWD)
• GS6X-45BZ Manual Transmission (6-Cylinder Models, with xDrive)
• ZF GA8HP45Z Automatic Transmission

• 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.

CAPA Certified or NSF Certified parts bear the seal of independent, third party organizations guaranteeing fitment and quality equal to original equipment. These parts may be required if your insurance company is paying for the repair.