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BMW Z4 Roadster
First turbo four model will arrive this fall

Earlier this year, we reported that BMW's normally aspirated inline-6 engines will be ushered out and replaced by a new family of turbocharged four-cylinder engines. BMW today confirmed that four-cylinder power would return to U.S.-bound BMWs after a 10+ year absence. 

The first model to get BMW's new 2.0-liter TwinPower Turbo four-cylinder engine will be the Z4 sDrive28i Roadster (say that five times fast). The engine develops 240 hp and 260 lb-ft of torque (30 percent more torque at 1,500 fewer RPMs than the naturally aspirated 3.0-liter inline-6).

BMW says that the new turbo four will be 20 percent more fuel efficient than the inline-6 when paired with the 8-speed automatic transmission. We're sure that there are fuel efficiency gains to be made with the 6-speed manual transmission as well, but it's likely nowhere near 20 percent (or else BMW would have mentioned it in the press release).

The Z4 sDrive28i Roadster will arrive in showrooms this fall, and the turbo four will likely filter down to other BMW models soon after.



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RE: Just wish it ran on regular
By JediJeb on 4/19/2011 5:56:51 PM , Rating: 2
Back in the days, those were some fun times. I would liked to have seen that setup in the Vega. When I was in high school the big competition in town was a nicely built V8 Vega versus what was aptly named Super Falcon. Some kid had built a Ford Falcon with a 428SCJ in it, it was a monster at the local drag strip, and many back roads too.


RE: Just wish it ran on regular
By YashBudini on 4/19/2011 8:20:39 PM , Rating: 2
Back in those days real hot rodders needed a lot more than a huge checkbook to see their dreams materialize. Home garage fabrication showed real ingenuity.


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