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F30 / F31 / F32 / F33 (2012 - current)
The sixth generation 3 series, chassis code F30. 2013 model year 328i and 335i sedans now in production. Read the F30 frequently asked question thread for all your basic question and dive into all the details in the ultimate F30 information thread.

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  #1  
Old 02-15-2012, 02:31 PM
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tim330i tim330i is offline
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2nd F30 328i Dyno - InsideLine gets an amazing 240hp & 257tq at the wheels



The first dyno by EAS produced impressive horsepower and torque numbers from their 2012 Mineral Gray 328i. InsideLine puts their Melbourne Red 328i on the dyno and blows those number out of the water. Getting a max 240 horsepower at 5250 RPMs and 257 ft-lbs of torque at 4450. BMW official specs for the N20 motor are 245hp and 260 ft-lbs, but that's at the flywheel. These two dyno runs show unequivocally that BMW has massively underrated the power the N20 is putting out.

Stay tuned next week when we live stream the Bimmerfest Long Term Review 328i 6 speed strapped to Turner Motorsports Dyno. I'm looking forward to seeing how much power the 6 328i can translate to the road.
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  #2  
Old 02-15-2012, 02:35 PM
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  #3  
Old 02-15-2012, 05:26 PM
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holy ****!!!! amazing!
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  #4  
Old 02-15-2012, 06:06 PM
4susan2 4susan2 is offline
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  #5  
Old 02-16-2012, 08:25 AM
dtc100 dtc100 is offline
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The Insideline numbers for the N20 in the new Z4 28i back in 10/11 were, 233 hp and 249 tq. Maybe BMW tuned it up for the 328i. This makes it in line with the new Kia 2.0T or the upcoming Caddy ATS 2.0T.
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  #6  
Old 02-16-2012, 03:48 PM
m8o m8o is offline
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This is in-line w/the '09 Mini JCW which was also getting at or near the rated HP @ the wheels rather than @ the flywheel. I like this 'policy' of BMW.
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Old 02-16-2012, 05:40 PM
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  #8  
Old 02-18-2012, 06:16 PM
m8o m8o is offline
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Upon further reflection, I'd luv to know what compensations were applied. I can't help but wonder what the raw numbers were.
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  #9  
Old 02-18-2012, 06:23 PM
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Quote:
Originally Posted by m8o View Post
Upon further reflection, I'd luv to know what compensations were applied. I can't help but wonder what the raw numbers were.
? what do you mean? i have seen a few dynos and all are showing the N20 is making a good amount more than what bmw states. prob closer to 260/280
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  #10  
Old 02-18-2012, 09:03 PM
m8o m8o is offline
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Well, every time there's dyno talk it inevitably goes to questions of to what degree the values were adjusted in the dyno's software. And whether it was just the typical adjustment to compensate for the current atmospheric temp/pressure/humidity as compared to a 'standard day', or if there were any other less reliable adjustments made to the values like some 'assumed' drivetrain loss compensation. And I guess in this instance for the 1st time, I'm that guy. The other value I've seen of "226hp / 230lb-ft torque at the wheels [thread here]" seems more plausible/believable [still great].

Tho OTOH, the 1/4 mile and 0-60 times of the 328i the auto mags are getting do point to 240+ HP @ the wheels thru a more efficient drivetrain of today (vs the power sapping slow shifting drivetrains of a decade or more ago). So maybe I'm being overly pessimistic.

Last edited by m8o; 02-18-2012 at 09:11 PM.
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  #11  
Old 02-18-2012, 10:38 PM
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From a performance/value perspective n20 328i's are looking like a better deal than the 335i. Big change from the e90.

Has BMW slipped in a high mpg sleeper to balance out fleet mileage?

OTOH, the current 328i is tracking times comparable to E46 ZHPs.
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Last edited by sea6speed; 02-18-2012 at 10:43 PM.
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  #12  
Old 02-19-2012, 08:23 AM
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Quote:
Originally Posted by sea6speed View Post
OTOH, the current 328i is tracking times comparable to E46 ZHPs.
Very impressive to hear. Will definitely find out soon if the m-sport is a worthy successor to the ZHP.
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  #13  
Old 02-20-2012, 11:53 AM
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I'm keeping my ZHP!

Summary:
Test drove the F30 328i Sport with the 8-spd auto today which included all the packages (Tech, Premium, NAV, Xenons, paddles, etc.. Fully Loaded except for the M-adaptive suspension). I immediately was reminded why I didn't like the E90/E88, the driving experience was greatly removed from the driver; definitely less connected than my ZHP (even in stock form) w/o the pinpoint and precise refinement. The sum of the ZHP really shines through compared to the current Sport or M tech packages. Highly looking forward to the M-Sport package coming this summer; hopefully it negates all the Cons I experienced with the F30 328i Sport. The F30 328i Sport compared to an E90 328i is a great improvement, however, compared to an E46 ZHP it's a downgrade.

Pros:
-N20 engine is awesome= very responsive with lots of power through out all the rev ranges and has a usable power band. Turbo lag is non-existent.
-Cabin noise= pretty good, not loud at all; quieter than my ZHP through all rev ranges.
-Weight= compared to an E90 328i- F30 is lighter. Accelerates better and more tossable.
-Cabin space= More rear cabin space compared to the E46 or E90.
-Brakes= very good stopping power for the car's weight, not as fast compared to the stock ZHPs. Same BMW bite with great modulation when applying late, slow, on/off, hard brake stops. Predictable and firm without having to guess on when the distance will be; can be gauged very well w/o engaging the ABS.
-Power= Limitless powerband all the way up to redline, could only feel a turbo drop off towards the last 200-500 rpm of the rev. range. Gobs of power for any driving scenario needed- off the line, transitions, passing, top end speed, cruising, etc...
-Technology= HUD, Nav (Voice activated, makes the iDrive difficulty go away), collision warnings, cameras all around make a safer driving environment.
-Paddle and AT shifters= Fast and less travel than the ZHP's Steptronic AT shifter.

Cons:
-8 spd AT transition downshifts are awful= not smooth at all even with the rev match (falls short by about 200-400 rpm between non-turbo spooled and turbo spooled rev ranges). I verified by blipping the throttle before downshifts which were smoother. Add the fact that the out of turbo spool -> turbo spool and vice versa transitions upset the balance of the car more. If you are in a turbo spooled -> turbo spooled or non-turbo spooled -> non-turbo spooled range it's smoother. I messed with all the driving modes- sport+, sport, comfort, eco pro, and the comfort mode seems to have the smoothest transitions during downshift with a middle of the pack response.

-Sport suspension is ok= Been spoiled with my Koni yellows + Hotchkis sways but I didn't remember the stock Sachs ZHP suspension rolling, yawing or moving around so much. It was just all over the place, too much driver compensation needed for my tastes. Very difficult to drive the car precisely to inches of start stop points and transitions. Suspension didn't settle fast enough when needed requiring longer driver corrections with the steering, brake or throttle. Ride height felt tall with the stock Sport suspension + the taller profile RFT.

-Tires= Run Flat POS Goodyear 225/45/18 fronts and 255/45/18 rears. Road feel felt very tall and the grip was not very good; very much an AS tire equivalent. Definitely missed my Michelin PS2s.

-Sport seats= Side bolsters were digging into my sides and were stiff. Guess I need to go on a diet or the seats needed break in. My ZHP sport seats never had this problem.

Thanks to BMW of Fremont for letting me test drive their F30 328i Sport; great service and very much down to earth attitudes.
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