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      02-17-2012, 06:41 PM   #1
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Thumbs up Another 2012 328i (N20 Engine) Dyno Hits 240hp / 257 lb-ft at the Wheels!

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Another 2012 328i (N20 Engine) Dyno Hits 240hp / 257 lb-ft at the Wheels!
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Insideline recently strapped the 2012 328i with its turbo 4 cylinder N20 engine on the dyno and achieved even higher at-the-wheel power than the EAS Dyno we reported on recently.

On 91 octane and a dynojet, this F30 328i achieved 240hp / 257 lb-ft torque at the wheels

Assuming a 16% drivetrain loss for the sake of argument, this would equal approximately 286hp / 306 lb-ft torque at the crank. Compare this to the F30 328i's factory rating of 240hp / 255lb-ft torque at the crank. The 328i could be underrated by as much as 46 hp and 51 lb-ft torque. Impressive indeed!

Compare this to the EAS dyno which achieved 226hp / 230lb-ft torque at the wheels.




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      02-17-2012, 06:51 PM   #2
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Holy shit!

based on these #s, even if i was being conservative with a 10% loss

thats 265hp/280lb ft

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      02-17-2012, 07:15 PM   #3
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That's great! Very impressive!!
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      02-17-2012, 07:18 PM   #4
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Very nice, can't wait to see how much more power a tune can unleash!
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      02-17-2012, 07:21 PM   #5
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Not only is the HP rating and mpg rating inpressive separately, but when you put the two together and see the mpg you get with power - it's incredible.. Almost no point in getting the 335i...?!

Problem is it's probably tuned to the max potential without a lot of upgrades (if you're a tuner).
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      02-17-2012, 07:27 PM   #6
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incredible.

I guess I'll replace my beater C250 coupe with one of these when the coupe comes out...
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      02-17-2012, 07:30 PM   #7
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#Holycrap
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      02-17-2012, 07:33 PM   #8
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Wow!
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      02-17-2012, 07:35 PM   #9
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Sweet
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      02-17-2012, 07:43 PM   #10
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Quote:
Originally Posted by dlbrooks18 View Post
Very nice, can't wait to see how much more power a tune can unleash!
I know, imagine the 335?!!
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Originally Posted by Rickster311 View Post
Not only is the HP rating and mpg rating inpressive separately, but when you put the two together and see the mpg you get with power - it's incredible.. Almost no point in getting the 335i...?!

Problem is it's probably tuned to the max potential without a lot of upgrades (if you're a tuner).
Looks like they have outdone themselves once again.
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Sweet
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      02-17-2012, 07:53 PM   #11
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Ahhhh...the ever precariously uber high reading dyno at MD. Hmmmmm.
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      02-17-2012, 07:54 PM   #12
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Poor EAS 328i lol...that owner is probably kicking himself as he knows he got one of the slower ones from the manufacturer lol...

But these numbers are great for such a small engine. Would be awesome of they had more of a growl and a twin exhaust set-up. The single and lil 4cyl whine is sooo weak :s

One of the biggest reasons I got a 335 instead
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      02-17-2012, 08:11 PM   #13
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crap!!!!! thats atleast if not more torque at the wheels than the current M3!!!!
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      02-17-2012, 08:20 PM   #14
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Really, I bet a stock 335 will put down 400 horses on that dyno, lol.
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      02-17-2012, 08:24 PM   #15
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I would trust the results from the EAS dyno, more than the ones from Insideline personally.

Regardless, this motor kicks ass. Can't wait to see more done with it!
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      02-17-2012, 08:45 PM   #16
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Wow. Seriously impressive. Another great engine from BMW. I just looked at the new 3 series in person and it is much better than pictures. The design looks so aggressive. Another winner.
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      02-17-2012, 08:50 PM   #17
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Wow, cant wait to get this car!
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      02-17-2012, 08:54 PM   #18
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232 WHP or so looks like a fair average... either way it needs an agressive tune with a catless downpipe. It could dyno close to 300 afterwards which would be nice.
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      02-17-2012, 09:16 PM   #19
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That looks like MD automotive. Thy have a dynojet. I'm guessing both cars read similar. The main difference is in dyno. To make a fair comparison you would compare the same car on different dyno to rule out differences.
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      02-17-2012, 10:14 PM   #20
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Liking the 328i more and more.
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      02-17-2012, 10:14 PM   #21
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Quote:
Originally Posted by powerbarsk8ter View Post
Really, I bet a stock 335 will put down 400 horses on that dyno, lol.
Insideline have put a 2011 535i and 2009 135i on the same dyno.

535i - 277whp/283wtq
135i - 285whp/291wtq
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      02-17-2012, 10:38 PM   #22
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wow, that's incredible!
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