2004 BMW 320i Service and Repair Manual

This factory service and repair manual for the 2004 BMW 320i covers a four-door sedan in Base trim with the naturally aspirated 2.2-liter double-overhead-cam inline-six of 132 cubic inches. Cars of this age rarely reach a franchised workshop any more, and the material that matters most is exactly what a factory manual holds: the specifications, wear limits and torque values that tell an independent shop whether a component is still serviceable or has to be replaced.

Engines covered

• 2.2L inline-six (132 cu in) — DOHC, naturally aspirated, gasoline

Body styles covered

• 4-door sedan

Trims covered

• Base

Known issues on the 2004 320i. The engine chapters give overhaul and service procedures for the six with the clearances and tightening figures that go with them, and the fuel, ignition, cooling and emissions sections add test values and diagnostic steps. Transmission, clutch and final drive repair is covered separately. Brake, suspension and steering work comes with wear limits and alignment data, and the electrical material provides wiring diagrams, connector and ground locations, and circuit-by-circuit fault finding for the sedan.