E82 platform
2009 BMW 128I Coupe
Factory specifications, fluid capacities, torque values, EPA fuel economy and the federal safety record for the 2009 128I Coupe.
Body PASSENGER CARTransmission Automatic (S6)
The 2009 BMW 128i Coupe is a passenger car built on the E82 platform, taking 6.9 qt of engine oil with approved viscosities of 15W‑40, 10W‑40 or 10W‑30 API SJ and mated to an automatic S6 transmission that returns EPA‑rated fuel economy of 18 mpg city, 28 mpg highway and 22 mpg combined. Owner feedback for the model year shows 79 total complaints, with air‑bag system issues leading the list, and the vehicle was subject to eight recalls. Consequently, the 2009 128i Coupe sits in a reliability history where air‑bag concerns are the most frequently reported problem, indicating an area that researchers should examine closely when assessing long‑term dependability.