2023 BMW 118i Service and Repair Manual

This factory service and repair manual for the 2023 BMW 118i covers one four-door hatchback body offered as Base and M Sport Edition, with the 1.5-liter turbocharged inline-three, double overhead camshafts, gasoline, under both. The trims share the engine and the driveline, so the split between them falls in suspension tune, wheels, brakes and interior equipment — and those are exactly the places where the manual notes a different specification, a different fastener or a different circuit in the diagrams.

Engines covered

• 1.5L inline-three — DOHC, turbocharged, gasoline

Body styles covered

• 4-door hatchback

Trims covered

• Base
• M Sport Edition

Known issues on the 2023 118i. The manual is built around the work a technician actually does: engine mechanical clearances and torque sequences, timing drive service, turbocharger and charge-air procedures, boost control and fuel pressure testing, cooling system specifications and bleeding, transmission and final drive data, brake and suspension torque values with alignment settings, and wiring diagrams for the body, lighting, climate and instrument circuits, each with a path from symptom to measurement.