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Old 05-23-2012, 10:08 PM   #1
ramf30
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Buyer info from an F30 328i owner

2012 F30 328i, Sport Line, Melbourne Red Metallic, Dakota Everest Grey/Black highlight Leather
Brushed Aluminum trim, Black high-gloss highlight trim finishers
Cold Weather, Premium, Premium Sound Packages
Manual Transmission, Variable sport steering, Anti-theft alarm system, Xenon headlights
February Munich build
5,750 miles

Daily work drive is 15 miles each way, 30 MPH average speed, 26-27 MPG average
Four 190 mile each way, 71 MPH cruise control trips on PA Turnpike in Eco-pro mode with air conditioning, three 36-37 MPG, one 39.9 MPG
The minimum AKI Rating is 89 (premium)

Two more 190 mile each way, 71 MPH cruise control trips on PA Turnpike in Eco-pro mode with air conditioning, one 36.5 MPG, one 38.8 MPG

130 miles round trip (Hershey to Baltimore)
71 MPH highway cruise control in Eco-pro mode with air conditioning, 32.9 MPG

Previously owned - 2000 E46 323i and 2006 E90 325i (both manual)

Last edited by ramf30; 07-21-2012 at 05:39 PM. Reason: updated info
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Old 05-25-2012, 09:06 AM   #2
pix335i
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That seems pretty good for the eco-pro trips and about what I would expect from the car.

How would you compare the driving dynamics for the F30 vs. the E46 and the E90?
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Old 05-25-2012, 12:48 PM   #3
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N20 is not recommended to run on 91-93 octane? Impressive stats.
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Old 05-25-2012, 10:19 PM   #4
ramf30
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The E46 was my first BMW, minimally equipped, and a nice balanced ride which is why you see them everywhere.
I bought the E90 off the lot and it was more or less minimally equipped with just the Sport Package and Active Steering. The dealers tended to get in automatics with all the bells and whistles dramatically increasing the cost. It too was a nice balanced ride. The auto journalist's hated Active Steering, but when coming home from work dog tired, I appreciated it. I also liked not having to do so much hand-of-hand while making a turn.
The F30, is again 'balanced', but it has a 'lighter' feel throwing it around, and I mean that in a positive way. Since I've never had a turbo, I don't know what turbo lag feels like, but I haven't experienced it and it goes like stink when you put your foot into it. It has 25 more horses than the E90 non-turbo six. The manual even seems a little better. The Sport Steering is an improved version of the Active Steering. The interior/dash is visually much more interesting with improved rear seat leg room. To further jazz it up, consider buying one of these http://www.modbargains.com/OEM-BMW-F...-328i-335i.htm from your preferred source. But in MHO, the Melbourne Red Sport Line is sexy as hell.
I decided to buy the 328i over the 335i for several reasons. It has more than enough power for me so there was no real reason to spend the extra $3,700. You can also factor in the improved gas mileage and 89 octane gas is $0.20/gallon cheaper than 91+ octane. The few 'negatives' mentioned in the press are more engine noise outside the car (who cares, its very quiet inside) and less exhaust growl (if that's so critical, spend some of the savings on a performance exhaust system).
Hopefully another owner can contribute their thoughts on the automatic if that's your preference.
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Old 06-07-2012, 04:49 AM   #5
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great rundown! i have some info contrasting for you, it is not nearly as scientific, but it may help people decide on the N20 vs N55 if they are on the fence and are concerned about milage.

I live in Germany where i am tipically in stop and go, or traveling significantly above the american speed limit. in the fist 2500 miles on my 335, i have averaged 25 MPG total. once again, that is with most of my hwy miles being spent at about 100MPH (average, i cruise at 115 or so when conditions/traffic/speedlimits[yes they have speed limits on the autobahn] allow). I have dropped it down to 80MPH and set the cruise for one 60 mile trip. on that trip I averaged 32 MPG in Comfort mode.

Ive heard great things about the N20, glad you like it. only reason i got the N55 myself was because i go to a track day once a month or so in the summer.
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Old 06-07-2012, 09:14 PM   #6
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I'm sure buyers will appreciate your feedback. Do you have a manual or automatic?
If I drove the autobahn and/or went to the track, I'd probably have considered the bigger engine. Since my daily work commute is 15 miles each way averaging 30 MPH, the smaller engine is fine, particularly with a manual.
Unfortunately the June 2012 Roundel has started a new series of annoying 'FOUR CYLINDER ENGINE DISAPPOINTS" letters in the same vein as the "NO OIL DIPSTICK" or "RUNFLATS SUCK" controversies. The editor puts them straight by saying each of the BMW engines, four/six/V8/V10/V12 has a place and a following.
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Old 06-12-2012, 09:20 AM   #7
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Need more info about the fuel grade minimum/recommendation, because I am having my doubts that this car is recommended to take anything less than 91/93.
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Old 06-12-2012, 10:04 AM   #8
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Sorry, I needed to look closer.

The 2012 BMW 328i_335i Owners manual (328i_335i_Sedan_Owners_Manual.pdf) says the minimum AKI Rating is 89.
http://cache.bmwusa.com/PDF_f7be0eac...d-33e5debb749a

The pump octane is also referred to as the Anti-Knock Index (AKI).
AKI is determined based on an average of the Research Octane Number (RON) and the Motor Octane Number (MON).
The formula is RON+MON/2 normally abbreviated as R+M/2 on the pump.
The MON is a measure of the gasoline's ability to resist knock under sever operating conditions.
MON affects high speed, part throttle and performance (under load such as in passing).
The RON on the other hand, is a measure of gasoline's ability to resist knock under less severe conditions.
RON affects low to medium speed knock and engine run-on (dieseling).
For a given AKI, RON is typically 8-10 points higher than the MON.
As an example, 87 AKI (pump octane) fuel would have a MON of 82 and a RON of 92.
You should use the minimum pump octane (AKI) fuel that will run in your engine without knocking.
You're wasting your money on higher octane fuels if there aren't needed to control knock.
The two most common myths regarding pump octane (AKI) are that it will increase performance and result in better fuel mileage.
You may see improvements in your ride due to the cleaners in higher grade, higher quality fuels, but octane by itself will not have any effect.

http://www.nytimes.com/2008/08/03/au...TANE.html?_r=1

Last edited by ramf30; 08-03-2012 at 12:27 PM.
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Old 08-03-2012, 02:50 AM   #9
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Originally Posted by ramf30 View Post
I'm sure buyers will appreciate your feedback. Do you have a manual or automatic?
If I drove the autobahn and/or went to the track, I'd probably have considered the bigger engine. Since my daily work commute is 15 miles each way averaging 30 MPH, the smaller engine is fine, particularly with a manual.
Unfortunately the June 2012 Roundel has started a new series of annoying 'FOUR CYLINDER ENGINE DISAPPOINTS" letters in the same vein as the "NO OIL DIPSTICK" or "RUNFLATS SUCK" controversies. The editor puts them straight by saying each of the BMW engines, four/six/V8/V10/V12 has a place and a following.
I have the manual.

*update, i just did a 100KM(60 mile) drive from the center of one town, to the center of another. i avraged 36.1 MPG in my 335! i set the cruise to 125KPH (78MPH) and had to slow down for about 10 miles of construction where i had the cruise at 88 KPH (55MPH). this was done in Eco Pro mode and all but about 5 miles worth was on the autobahn using the cruise to accelorate and decellorate (surprisingly easy, i think the cruise will utilize the brakes if you drop your desired speed by more than 10 MPH.)

anyways, my average over the last 4000 miles is still 25 MPG, but this drive i did proves that on a highway roadtrip, the N55 can get quite respectable MPG (even at relativly high speeds)

**edit**
the above was utilizing European "Super" Gasoline, which while labled as 91 octain, it is my understanding that it is the equivilent of 89 octain on the American scale.
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Last edited by yrock87; 08-03-2012 at 03:13 AM. Reason: add info
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Old 08-03-2012, 08:11 AM   #10
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That is some impressive fuel economy on the 335i! I was able to eek out just over 40 mpg on my last longer trip in the project 328i and I was damn impressed with it. The car was run in eco-pro most of the way on the highway for the trip. I was impressed to end up over 40mpg.
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Old 08-03-2012, 09:43 AM   #11
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Imperial vs. US Gallon means the MPGs don't correlate exactly over the pond. So, closer to 30mpg US Gallon.

The US gallon is 3.78541 litres and the Imperial gallon is 4.54609 litres. I am assuming you used Imperial if you are converting to 'gallons' in Germany?
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Old 08-03-2012, 09:53 AM   #12
yrock87
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Originally Posted by simsima325 View Post
Imperial vs. US Gallon means the MPGs don't correlate exactly over the pond. So, closer to 30mpg US Gallon.

The US gallon is 3.78541 litres and the Imperial gallon is 4.54609 litres. I am assuming you used Imperial if you are converting to 'gallons' in Germany?
sorry for the confusion, it is US Gallons. the car is US spec, i have the distance set to KM so that my Heads Up Display shows KM since i live in germany right now. when i move back to america, I will change all of my distance and speed measurements back to standard.

of note, when i was cruising at 125kph (78mph) i was getting about 32-33 mpg real time according to the bar computer. when i dropped down to 88KPH (55MPH) i was reading 45-50mpg on the bar computer! this car is seriously slippery and uses almost no fuel when just above idel.

On a realated note, have you ever tried to use the KM on the speedo of a US spec car that goes from 0-255?!?!? the ticks are like 20 km apart! and the size of the type is tiny! Love my HUD!!!!
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Old 08-26-2012, 08:11 PM   #13
fred hao
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328i Highway cruise 70m/ph, over a little 40 mpg.
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Old 08-27-2012, 02:26 PM   #14
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328i Highway cruise 70m/ph, over a little 40 mpg.
What mode?
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Old 08-27-2012, 08:50 PM   #15
fred hao
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What mode?
In Eco mod. I tried to measure how economical this 328i at a speed of 70 cruise for the distance of 42 miles back and forth. At this speed, the engine turning a little under 2,000.
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