2015 BMW 520i Service and Repair Manual

This factory service and repair manual for the 2015 BMW 520i covers the Top trim of a four-door sedan whose engine bay holds a single unit: a 122-cubic-inch 2.0L inline-four with double overhead camshafts, turbocharged and gasoline-fueled. Knowing there is only one powertrain to account for changes how the book reads, since nothing has to be cross-checked against an engine this car was never built with. The procedures, specifications, torque values, wiring diagrams and diagnostics cover engine, driveline, chassis and body as one continuous description.

Engines covered

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

Body styles covered

• 4-door sedan

Trims covered

• Top

Known issues on the 2015 520i. Where this manual is worth having is in the detail that separates a repair from a return visit: the correct bleed sequence after cooling work, the torque and order for fasteners on a boosted engine, the suspension and alignment figures that keep a chassis job honest, and brake specifications given as numbers rather than as ranges. Its wiring diagrams map the sedan's circuits as built, and the diagnostic sections give a path from the reported symptom through the components and connections capable of causing it.