Yes, the 2012 BMW 328i is turbocharged, but it uses a single turbocharger rather than two. BMW brands the setup as TwinPower Turbo, which refers to its modern turbocharged engine design rather than a true twin-turbo (two-turbo) configuration.
Engine details and power
Core specifications and performance characteristics of the 2012 328i’s powertrain.
- Engine: 2.0-liter inline-4 (N20)
- Turbocharger: single twin-scroll turbocharger
- Power output: ~240 horsepower
- Torque: ~260 lb-ft (320 Nm)
- Drivetrain: rear-wheel drive standard; xDrive all-wheel drive optional
- Transmissions: 6-speed manual or 8-speed automatic
These details confirm a turbocharged four-cylinder under the hood, with BMW’s TwinPower Turbo branding signaling its advanced turbo setup rather than a two-turbo arrangement.
TwinPower Turbo vs. twin turbo
An explanation of BMW’s branding and how it applies to the 2012 328i.
- TwinPower Turbo denotes a single turbocharged engine with modern intake/exhaust management (and often direct injection and Valvetronic).
- Two-turbo (bi-turbo) setups involve two separate turbochargers and are not characteristic of the 2012 328i.
- The 2012 328i’s turbo is typically a single, efficient twin-scroll unit designed to maximize low- and mid-range torque.
In practice, the 2012 328i does have a turbocharged engine, but it does not employ a traditional two-turbo configuration.
Historical context: how the badge evolved
Older 328i vs. the 2012 model year
Across generations, the badge has referred to different powertrains. In the E90/E92 era (2006–2012), the 328i often used a naturally aspirated 3.0-liter inline-six (N52) with up to around 260 horsepower in some variants. The 2012 model year marks a shift to the F30 generation’s 2.0-liter turbocharged four-cylinder, making the 328i a turbocharged entry rather than the older NA six-cylinder.
Summary
Bottom line: The 2012 BMW 328i is powered by a single turbocharged 2.0-liter inline-4 engine (N20) with about 240 hp and 260 lb-ft of torque. BMW markets the setup as TwinPower Turbo, which refers to a single turbo design with advanced technology, not a true twin-turbo (two-turbo) system. If you’re seeking a true two-turbo configuration in the 3 Series, you’d find that in some earlier or other-market variants, but not in the standard 2012 328i.