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Old 06-04-2010, 12:55 PM   #1
AVANTI R5
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Default BMWs 500cc per cylinder powerplant : A New Base in Engine Design

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The BMW rumormill continues to churn and today, we have something new around a future BMW engine. Same BMW insider, Scott27, brings upfront some exciting news around a 500cc three-cylinder engine that will help BMW achieve their CO2 level goals.

It is no secret that in terms of downsizing its CO 2 levels, BMW are moving to replace its current range of engines with new three, four, six and eight-cylinders.

The new three-cylinder will be part of a range of engines utilizing a new common 500cc per cylinder base design which also uses Direct-Injection and Turbo charging. This engine will be featured in many BMW models, but will not be perceived as a base engine or entry model.


Four-cylinder engine featured

The new 1 and 3 Series will receive it first, but other BMW/MINI models will also inherit this engine.

Forget about the terms associated with three-cylinders, such as weak or underpowered. This is a BMW engine and for a three-cylinder it will offer excellent refinement with a sporting edge, plus delivers an excellent CO2 output.

A lighter engine will also contribute to a weight reduction in the car. The upcoming four-cylinder turbocharged engines in three range variants will also follow this procedure , The first turbocharged four-cylinder engine will be introduced in the new BMW 1 Series in 2011, and then follow into the BMW X3 that precedes the debut of the all new BMW 3 Series Sedan in late 2011.

The new range of turbocharged engines will bring many new innovations for the first time in a new product launch, and the 1 Series is that model.

The idea is to use 500cc per cylinder in future BMW engines which will rise from the 1.5 right up to a V8, saving resources in engine development costs and engine production.

Well, you heard it firstwe can only hope that the three-cylinder will not only deliver amazing fuel consumption, but still retain the much needed punch we crave in a BMW
http://www.bmwblog.com/2010/06/03/bm...engine-design/
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Old 06-04-2010, 01:26 PM   #2
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I'm excited about a new BMW I4, they've been lacking from the current range.
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Old 06-04-2010, 01:31 PM   #3
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Not bad. 1.5 triple, 2.0 I4, 3.0 I6, 4.0 V8...

Will this have valvetronic, and some of their other advancements?

Now if they can just fix the styling and weight issues of their cars.

A 1-series that more typifies the 2002 and E30 M3 might be quite welcome. Something about 3000-3300lbs but still big enough for average humans to fit inside. RWD, but not luxury-bound, and NOT UGLY, please. Think much smaller version of the new 5-series, reduced to big-compact, or small-midsize coupe.

(I wouldn't even mind if it had a more rakish 8-series and 6-series-esque quarter window shape, and a liftback hatch, but not as gimped as the E36 318i, to further differentiate it from the bigger and growing 3-series coupe. A car like that could use a sleek liftback more than an X6 or 5-GT... which are big as houses, and should just be wagons or SUVs anyway.)

With a direct injected, valvetronic engine choice between 2.0 I4, and 3.0 I6... (and maybe a separate turbo application...)

It could be a return to the M3's E30 and E36 roots, which BMW has long since departed from. Including the I4 and I6 naturally aspirated M-engines of those generations.

Last edited by HipToBeSquare; 06-04-2010 at 01:43 PM.
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Old 06-04-2010, 04:20 PM   #4
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I think a turbo 3.0L V8 would be cool and efficient. But at 4.0L that isnt much smaller than their current standard V8. Hope the 500cc tech is efficient as claimed.
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Old 06-04-2010, 04:25 PM   #5
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Awesome for the aftermarket community

one size fits all rods, pistons, valves...
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Old 06-04-2010, 04:53 PM   #6
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This should be very interesting.

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Old 06-05-2010, 11:52 PM   #7
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Seems they've been enamored with this config for a while - now with DI & Turbo - no complaints here
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Old 06-06-2010, 10:14 AM   #8
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Not sure what the big deal is; Subaru has done this for years (2.0 H4, 3.0 H6)

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500cc three-cylinder engine ... 500cc per cylinder
oops
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Old 06-06-2010, 12:07 PM   #9
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Originally Posted by Mike Wevrick View Post
Not sure what the big deal is; Subaru has done this for years (2.0 H4, 3.0 H6)
The common base design is the relevant bit, which makes development and production a lot easier. Basically manufacturers spend ages developing a single cylinder engine with the desired output, efficiency and emissions characteristics. This is especially difficult for direct injection engines because you have to worry about the position of every little fuel droplet.

Once that is done, turning this single cylinder engine into a working inline 4 or 6 is relatively straight-forward. The EJ20 and EZ30 have a similar per-cylinder displacement, but the bore/stroke are wildly different, so you can't use the same cylinder design or share parts.

BMW on the other hand only needs to come up with one good cylinder/head/injector/piston design and turning it into an I3, I4, I6, V8 or V12 would be a copy-and-paste job.
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Old 06-06-2010, 12:31 PM   #10
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So then why doesnt everyone design engines this way?
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Old 06-06-2010, 12:43 PM   #11
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Quote:
Originally Posted by SLegacy99 View Post
So then why doesnt everyone design engines this way?
Marketing. They screw up everything good.

Anyways, I completely overlooked the fact that all of the pistons will be interchangeable! Holy crap would that cut down on costs! I just hope they don't go crazy with the naming. Make it like how it used to be (330i = 3er, 3.0L) and use some nomenclature such as 330is for versions with sport suspension options, 330ic for convertibles, 330ti for turbocharged, and 330ix for AWD. That being said... I want a 130tisx.
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Old 06-06-2010, 12:56 PM   #12
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Quote:
Originally Posted by Mike Wevrick View Post
Not sure what the big deal is; Subaru has done this for years (2.0 H4, 3.0 H6)



oops

The EJ series engines that consist of the 1.8, 2.0, 2.2, and 2.5 liter are completely different than the EZ series engine that consist of the 3.0 and 3.6 liter engine. The Ej series using a timing belt and much different bore and stroke size than EZ series. The only engine that you can say subaru kind of did this with was the EJ series and the EG engine which was the engine used in theSVX. The EG was pretty much a EJ 2.2 with two more cylinders, much nicer heads and some other differences.
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Old 06-06-2010, 02:55 PM   #13
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Originally Posted by SLegacy99 View Post
So then why doesnt everyone design engines this way?
They do, just not to the same extent. The Lexus 4.6L V8 is basically a coporate 3.5L V6 with two extra cylinders. Same is true for the MB 4.5L V8/3.5L V6. Audi's 5-cylinder in the TT RS is basically a GTI R20 engine with an extra cylinder
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Old 06-06-2010, 06:19 PM   #14
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I would by a 3 series with a Turbo 4 and 6 speed manual trans.
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Old 06-07-2010, 10:59 AM   #15
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For the new Obamvagon we will all drive soon. I size fits all but the very wealthy.
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