2015 BMW 328i xDrive Service and Repair Manual

This factory service and repair manual for the 2015 BMW 328i xDrive covers a four-door sedan and a four-door wagon, each in Base trim, each with the turbocharged 2.0L DOHC inline-four of 122 cubic inches. Coverage is arranged by system rather than by body, so the engine, transmission and all-wheel-drive driveline are documented once and hold for both cars; only the rear body work and the harness routing behind the rear seat are described separately.

Engines covered

• 2.0L inline-four (122 cu in) — DOHC, turbocharged, gasoline

Body styles covered

• 4-door sedan
• 4-door wagon

Trims covered

• Base

Known issues on the 2015 328i xDrive. The federal record shows 126 complaints for the year, and the pattern is clear: 41 concern the engine and cooling system, 18 the electrical system and 12 the power train. The cooling section — circuit layout, thermostat and pump service, pressure testing and leak diagnosis — addresses the largest of those directly, while the transmission and axle procedures cover the driveline reports and the wiring diagrams support tracing the electrical ones to a specific circuit.