E46 platform
2004 BMW 325CI
Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2004 325CI.
Transmission Automatic (S5)
The 2004 BMW 325CI is an E46-platform model paired with an automatic (S5) transmission and EPA fuel-economy ratings of 17 mpg city, 25 mpg highway, and 20 mpg combined. Its engine is specified for a 6.9-quart oil fill using 15W-40, 10W-40, or 10W-30 API SJ viscosity. Those precise factory requirements mark the 2004 model as a fixed maintenance reference within the 325CI line, with its exact fluid capacity and viscosity grades serving as the definitive service identifiers for this model year.