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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > 328i in the 1/4 mile



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      11-09-2008, 06:14 AM   #1
evoi19
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328i in the 1/4 mile

Hey guys,

A few of use went out to the sacramento raceway today to put down some times. Most were 335i's running v3's with Shiv tuning them himself.

I figured what the hell, I always wanted to see what our N/A cars can do.

Day was overcast, low 60's with good cool weather. Removed all interior including the front and rear seats and modded with an eisenmann exhaust and eisenhaus SR pipes.

My best time:

Reaction .230
60ft 2.114
1/4 14.661 @ 94.75mph

Played with the RPM band in launching and just aroun 3k is a good area. Feathered the clutch with the ebrake but couldn't get a sub 2sec 60ft times. Oh and DSC off on all the runs.

I got my reaction time down to sub .100 later in the day but couldn't hook the launch. A little more practice and I'm hoping to drop a lil more off the 1/4 time.

Of course compared to the 335i's we're a bit slower, but wanted to share with you all who are curious about the N/A's capability.
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      11-09-2008, 06:26 AM   #2
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Thats pretty dam good Drew. Your running faster et's then almost all the auto e90 330i's and trapping around the same speed. You're only a few seconds off of manual 330's. Im sure if you lower your 60' you'll be into the 6mt 330 territory
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      11-09-2008, 06:35 AM   #3
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Thanks Law!

Pak went and we were comparing our runs. He has a e90 330 AT. Consistently launching and pulling away from him which was a bit surprising.

I want to go back and try a few things to lower the 60ft. Maybe launching a little lower and feathering the clutch better.
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      11-09-2008, 01:40 PM   #4
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nice drew!! that is very very respectable and i agree with lawrence, dam good, for a 328!

what kinda numbers was pak doing?

i wonder what a slushbox 325 can do
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      11-09-2008, 03:32 PM   #5
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thats a great time man... most FI VW GLI's and GTI are slower nice job!
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      11-09-2008, 04:29 PM   #6
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i got some numbers from 2 friends with e92 328 auto.

best they got was 14.8 and the other was 14.9 both had k&n filter replacement and i think a couple gallons of high octane not sure.
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      11-09-2008, 11:44 PM   #7
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hmm interesting info. thanx for the stats man... haha i wonder if any of those +10hp injen guys get better times
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      11-10-2008, 01:09 AM   #8
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Quote:
Originally Posted by lul77 View Post
hmm interesting info. thanx for the stats man... haha i wonder if any of those +10hp injen guys get better times
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      11-10-2008, 01:20 AM   #9
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Drag radials next time Drew and you will see sub 2 sec 60' times.
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      11-10-2008, 02:54 AM   #10
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Quote:
Originally Posted by kaji335i View Post
Drag radials next time Drew and you will see sub 2 sec 60' times.
no one sells a drags that clear my bbk

Gotta see about adding the bottle and head back up. LOL
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      11-10-2008, 03:08 PM   #11
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328i is not a good drag car. it is the most balanced I think.
yes, the max. torque start at around 2700 rpm
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      11-10-2008, 04:02 PM   #12
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Wow nice. Im sure removing the seats knocked off a tenth or two.... hey drew can you tell alex to contact me asap. thanks
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      11-10-2008, 06:20 PM   #13
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Quote:
Originally Posted by oeklm View Post
Wow nice. Im sure removing the seats knocked off a tenth or two.... hey drew can you tell alex to contact me asap. thanks
Sure! Which Alex are you referring to? There's 3 or 4 em over here. LOL
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      11-10-2008, 06:41 PM   #14
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Good Stuff
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      11-10-2008, 09:36 PM   #15
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I barely got a better time with my 330i I have a worse 60ft', hopefully I can
do better now that I am not on bald tires.
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      11-10-2008, 10:09 PM   #16
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its weird how the numbers dont add up. lets use 328's

e92 auto 0-60 6.8 1/4 14.8
e90 6spd 0-60 6.1 1/4 14.6 and weight reduction lighter wheels and small mods.
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      11-10-2008, 11:11 PM   #17
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Quote:
Originally Posted by miamibusta69 View Post
its weird how the numbers dont add up. lets use 328's

e92 auto 0-60 6.8 1/4 14.8
e90 6spd 0-60 6.1 1/4 14.6 and weight reduction lighter wheels and small mods.
You need to factor in launch and 60ft times.
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      11-10-2008, 11:36 PM   #18
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why is that isnt it the overall time that really matters?

the result is -.2 with minor mods and weight reduction with a 6spd.
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      11-11-2008, 12:08 AM   #19
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Quote:
Originally Posted by miamibusta69 View Post
why is that isnt it the overall time that really matters?

the result is -.2 with minor mods and weight reduction with a 6spd.
Sometimes its not about overall ET. Ill use Shivs distinction. Fastest is based on trap speed. Fastest is all about power, obviously a 328 auto will be trapping in the same range as a 328 manual, because they both have the same power (more or less, since drivetrain loss is a issue), but they are definitely not going to have the same ET. While the Quickest is based on ET. Quickest is more about the driver then anything. If you bog a launch or is spinning through first, it will effect your overall overall time.

Case in point, a shitty driver in a 335 launches at too high of a RPM and is spinning through first and second, while a 328 launches perfectly and takes off. Since the 335 screwed up the launch, his ET might be slower then a 328. Does that mean the 328 is the faster car? No, it just means the 328 is a better driver so he got a better ET. At the same time, i guarantee you even though the 335 screwed up the launch, his trap speed will still be alot higher then the 328 because it has more power overall. So sometimes you have to look at all things considered, not just who crossed the line first.
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      11-11-2008, 12:37 AM   #20
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but when u compare his best and the other cars best isnt it comparable to say stick is not much faster.


from bmw's site

6mt is 6.1
auto is 6.8

now how exactly is the auto catching up ? the auto is a good baseline so the stick in theory should be 14.8 -.7 = 14.1 unless his shifting skills are not as great as bmw test drivers.
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      11-11-2008, 12:54 AM   #21
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As much as you'd love for it to be that simple, its not. Just because 0-60 is faster on a the manual by the stated 0.7 seconds, does not mean you can just minus 0.7 off a autos time and expect it to be the manual transmissions time. The 0-60 times have absolutely nothing to do with the ET. Theres so many factors to consider including something important like GEARING.

With your logic, a 997 turbo does 0-60 in 3.7, a stock 335 has been stated to do 0-60 in about 4.8. 997t's can do 11.7...11.8 stock. So lets just give them the benefit of the doubt and say 11.8. So according to you, stock 335's should do the quarter in 12.9. I would love to see a stock 335 put down 12's bone stock, but sad truth is we are barley getting under mid 13's bone stock, maybe 13.3's if we are lucky.
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      11-11-2008, 03:55 AM   #22
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Can you share tire spec?
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