BMW 4-cylinder engines return to US in 2011 in the Z4 sDrive28i; approximately 20% gain in fuel efficiency over naturally aspirated 3.0L I-6 - Green Car Congress
Don't Panic: Four-Cylinder BMW M Cars Aren't Happening Just Yet, And RWD Is Here To Stay
The Evolution Of BMW's Respected Inline-Four - BimmerLife
BMW 4-Cyl. Techy, Torquey and Efficient | WardsAuto
BMW Turbo 4-Cylinder Engine | Dreyer & Reinbold BMW North
Remembering the 1,350-HP Turbocharged Four-Cylinder Built by BMW During the 1980s - autoevolution
The Evolution Of BMW's Respected Inline-Four - BimmerLife
BMW's New 600-HP 4-Cylinder Engine Shows How Far Engineering Has Come Since 1969
BMW Turbo-charges All Four Cylinder Engines For More Power
BMW unveils latest Efficient Dynamics 3- and 4-cylinder gasoline and diesel engines - Green Car Congress
BMW 318/E46 ENGINE 4 CYLINDER- MOTOR 318/E46 CYLINDER
BMW Has Ruled Out Four-Cylinder M-Cars… For Now
BMW M Says It Won't Downsize To 4-Cylinder Engines Like Mercedes-AMG Did | Carscoops
BMW 528i: Fewer Cylinders, Not That You'll Notice - The New York Times
3 Series Gains BMW's Most Powerful 4-Cylinder Ever, Loses 121 LBS
BMW's New 600-HP 4-Cylinder Engine Shows How Far Engineering Has Come Since 1969
BMW brings the 4-cylinder engine back to North America in 2011 | Car News | Auto123
BMW's 500cc per cylinder powerplant : A New Base in Engine Design
BMW 4 Cylinder Engines for the US - autoevolution
Four-cylinder 7-Series? Say hello to the 730i
Specifications: BMW TwinPower Turbo 4-cylinder engine - BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST
2016 BMW 4 Series Review
BMW's 4-Cylinder X5 xDrive40e Plug-in Hybrid | Carscoops
Remembering the 1,350-HP Turbocharged Four-Cylinder Built by BMW During the 1980s - autoevolution
