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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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By steven975 on 4/18/2011 5:21:30 PM , Rating: 3
You know, back when 325i meant 3-series, 2.5L engine. First number the model, the second the engine size.

Now you have the 335i, which is 3.0L. Then you have a 328i that's really a 3.0L too.

I think it went south earlier in the 00's when they moved the 2.5L to 2.8L and then moved model number up, but refused to move the model number up on the 323i even though it went to 2.5L.

The names used to be functional, now they're more marketing and dictated to denote price, with a big enough distance so that the people who got the cheaper model are lower on the totem pole and vice versa. After all, a 323i was the cheap model...moving it up to 325i would make it match the upmarket model offered in the last year.




By dubldwn on 4/18/2011 6:19:48 PM , Rating: 2
Couldn't agree more. They should be the 544T, 330T, etc. How they compare with previous years should be irrelevant, although that's BMW's official reasoning.

Is is true though that the 3.0L 328 is called the 328 so they didn't step on the toes of the previous models top of the line 330 owners. That elitist line of reasoning might be even more lame.


By Hulk on 4/18/2011 8:33:17 PM , Rating: 1
Yeah and my wife's 2006 325i is actually the 3.0L engine as well. Makes it a great deal since you still get 215HP and the inherent torque of the 3.0L engine. This engine is so unstressed I bet with regular service we could get a couple hundred thousand miles out of it.

Now I know 10 people are going to post, "So what!!! My blahblahblah turbo 4 that I have CAI, stage XXX chip, etc... has been running strong for 250,000 miles and I haven't even changed the oil yet! Plus I'm getting 38mpg and I'm driving it hard!! Shit my Dad's old El Camino used to get 25mpg towing a 3000lb boat!!"


By FITCamaro on 4/18/2011 10:19:10 PM , Rating: 2
Heh I know you were joking but I loled at the thought of not changing the oil for 250,000 miles. Considering the videos and pictures of cylinder heads with 80k mile oil in them, I can't imagine what "oil" would look like even if the engine managed to make it that far. It'd be dust.


By YashBudini on 4/19/2011 12:35:10 AM , Rating: 2
quote:
Shit my Dad's old El Camino used to get 25mpg towing a 3000lb boat!!"

On a 30 degree incline at 85 mph. With no radiator fluid.


By chaos386 on 4/19/2011 1:07:32 PM , Rating: 2
quote:
I think it went south earlier in the 00's when they moved the 2.5L to 2.8L and then moved model number up, but refused to move the model number up on the 323i even though it went to 2.5L.

It was earlier than that. The E30 325e from the 80s had a 2.7L engine, despite the name. The 5 series with the same engine at the time was called the 528e!


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