BMW to replace N/A I-6 with Turbo 4

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Hope those Germans though that decision out throughly. Not a fan of German cars but am a fan of inline 6's.
 
I had heard that for their smaller cars. You can be sure there will be an NA 6cyl in the 3 forever...

That said, my 4cyl 3-series is a wonderful car!
 
I am a big fan of the smaller turbocharged 4-cyls. When designed properly, they are incredibly fuel efficient and powerful while giving owners many potential options for tuning. A good example of this is the new EA888 2.0T in the MKVI GTI; that engine is incredibly powerful for a daily driver with no detectable turbo lag.
 
I will miss the I6. A couple years ago the NA 3.0 i6 was making 265HP, they detuned it when the twin turbo motor was released.

I have no doubt they can make a nice strong turbo 4, but after owning the Audi turbo 4, the BMW inline 6 seems to be even more of a gem - and fairly economical.
 
A modern turbo design will offer a far better torque curve than a NA motor of similar output.

A consumer won't tell the difference until they get a repair bill for the turbo replacement.
 
I suspect many BMW I-6 buyers could buy turbo 4s from other automakers if they so choose.

Then again many like the BMW in their driveway and could care less what makes it tick.
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My sister's friend's mom in high school had a beemer and she always waited until the last second to stop, then bragged about the awesome brakes.
 
One of the big draws to BMW for me is the I6. Not sure I'd buy a 4-cylinder BMW in this day and age. Other options available.
 
It's about time. BMW's current NA 4-cyl engines are pretty good.

Originally Posted By: SteveSRT8
NVH issues prevent many of us from enjoying almost any inline 4.

For the last decade BMW's fours use balance shafts if the displacement is high enough to be required. My mother drives a 320D (2 L 4-cyl turbodiesel) and it's smooth and pulls strong.
 
Originally Posted By: Kiwi_ME
It's about time. BMW's current NA 4-cyl engines are pretty good.

Originally Posted By: SteveSRT8
NVH issues prevent many of us from enjoying almost any inline 4.

For the last decade BMW's fours use balance shafts if the displacement is high enough to be required. My mother drives a 320D (2 L 4-cyl turbodiesel) and it's smooth and pulls strong.


Yes, the only I4 I've really liked was the 3.0L longitudinal I4 with Variocam and harmonic balance shafts in my Porsche 968. Smooth, torquey and quick. It had a lot of parasitic loss at light throttle angles between the 11:1 compression and the cam profile and drove a bit like a big block I guess. All others I've experienced seem to have a lot of NVH. As a driver of predominantly manual transmissions, I like having more cylinders firing when you're working the clutch down near idle - smoother launches and far less chance of a stall with low rpm take offs.

This is not to say that I wouldn't rule out the new BMW I4s without sampling - I have an open mind.
 
^ That bugs me too. In my mind, any vehicle should have proper (not dummy gauges) oil pressure and coolant temp gauges. Oil temp would be nice too.
 
In the two I've owned (e32 and e34) they had gauges but you got the impression they were set up to always run dead in the center, probably to appease overly-fussy owners. I think in newer ones any issues with temperature would cause a ding and appear as a message in the control console. Frankly I think oil temperature would be far more useful.

Both BMW's 1.8 and 2.0 N42 gasoline engines (produced since 2001) have dual 2x speed balance shafts which practically make them as smooth as a six, even if they don't sound like one.
 
Balance shafts are garbage.

Nobody here has ever driven a 318/320 or early M3? Nothing wrong with a 4cyl. Turbo makes it fun. Technology today makes it better.

CAFE MPG is climbing. Automakers don't have a choice.
 
Looks like it might be in 3 series...

http://www.autoblog.com/2011/01/28/officially-official-bmw-announces-2-0-liter-four-cylinder-turbo/

Quote:
BMW has yet to point out which models will be getting the new 2.0-liter turbo, but since the automaker specifically mentions that it offers more power and torque than the current naturally aspirated 3.0-liter inline-six, we wouldn't be shocked to learn that all cars with a 28i or 30i at the end of the name will now be powered by this four-pot mill....
 
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