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 sits on the E46 chassis and is equipped with an automatic S5 transmission, pairing the model’s compact coupé silhouette with a drivetrain that calls for 6.9 qt of engine oil—available in the standard 15W‑40, 10W‑40 or 10W‑30 viscosities meeting API SJ specifications. Its EPA fuel‑economy ratings of 17 mpg city, 25 mpg highway and a combined 20 mpg reflect the balance BMW struck between performance and efficiency for this generation. Positioned in the middle of the E46’s production run, the 2004 model benefits from the platform’s established mechanical reliability, indicating a generally dependable year for researchers examining long‑term durability.