E46 platform
2004 BMW 330CI
Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2004 330CI.
Transmission Automatic (S5)
The 2004 BMW 330CI is built on BMW's E46 platform and, in this configuration, pairs with the S5 five-speed automatic transmission alongside EPA ratings of 17 mpg city, 25 mpg highway, and 20 mpg combined. Factory service documentation specifies a 6.9-quart engine-oil capacity accepting 15W-40, 10W-40, or 10W-30 grades meeting API SJ — a notably wide viscosity window for the powertrain. As a mid-decade entry in the E46 lineage, the 330CI's published oil and fuel-economy specifications give researchers a stable reference point for tracking the platform's later service profile.