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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > 3 Series / 4 Series > E46 (1999 - 2006)

E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki

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  #1  
Old 10-04-2012, 11:57 PM
anton2718 anton2718 is offline
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0-60

i know the 325i is slow and you all say theres no point in modding it but i wanna get my 0-60 down to at least somewhere in the sixes from the seven it is, which mods increase acceleration, at least a bit, and whats the fastest 0-60 you've all gotten on your 325i's? i know fast bob will be here shortly to criticize me, and someones gonna say search it in google, oh and im not talking about hp or torque gains, but im sure some mods come with it
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  #2  
Old 10-05-2012, 12:04 AM
heztheone heztheone is offline
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the cheapest way to get u down from 7's to 6's is to do a 10-60 run
if u have 1k to spend, you can get a Shark Injector, ebay headers, go catless (if ur state allows u to do so), and if it's a manual, get a short throw shifter to shift faster through gears.
don't forget to change fuel and air filters, and get a set of new NGK spark plugs (if not done so). also get ur car checked for any codes for faulty sensors. do all of these at the same time and u'll feel a very nice difference in performance
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  #3  
Old 10-05-2012, 12:23 AM
scarede46er scarede46er is offline
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I think most newbies that post here are high. Or drunk.
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  #4  
Old 10-05-2012, 04:49 AM
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jonathan2263 jonathan2263 is offline
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Remove as much weight from your car as possible and do your run on low fuel.
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  #5  
Old 10-05-2012, 06:47 AM
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Auto or manual trans? Taller rear gears would be about the only way IMO (short of doing it with no fuel and no seats as mentioned above).
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  #6  
Old 10-05-2012, 07:10 AM
anton2718 anton2718 is offline
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Quote:
Originally Posted by jonathan2263 View Post
Remove as much weight from your car as possible and do your run on low fuel.
only premium sir
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  #7  
Old 10-05-2012, 07:14 AM
anton2718 anton2718 is offline
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Quote:
Originally Posted by smolck View Post
Auto or manual trans? Taller rear gears would be about the only way IMO (short of doing it with no fuel and no seats as mentioned above).
manual
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  #8  
Old 10-05-2012, 07:16 AM
anton2718 anton2718 is offline
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Originally Posted by scarede46er View Post
I think most newbies that post here are high. Or drunk.
im none of the three

Last edited by anton2718; 10-05-2012 at 07:20 AM.
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  #9  
Old 10-05-2012, 07:25 AM
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328ioc 328ioc is offline
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Originally Posted by anton2718 View Post
only premium sir
I think he ment low as in almost empty aka less weight.

Not low quality........

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  #10  
Old 10-05-2012, 07:31 AM
anton2718 anton2718 is offline
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Originally Posted by 328ioc View Post
I think he ment low as in almost empty aka less weight.

Not low quality........

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ahh..what can i say, its early
no i usually dont because id he refueling every day
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  #11  
Old 10-05-2012, 07:36 AM
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Quote:
Originally Posted by anton2718 View Post
manual
3.46 gears and headers
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now, go burn your Man Card, and buy yourself a Camry....
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  #12  
Old 10-05-2012, 07:41 AM
anton2718 anton2718 is offline
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Originally Posted by smolck View Post
3.46 gears and headers
i read that alot, how hard is it to put either of those in? compared to clutch, i just replaced mine with a lightweight stage 1, which by the way also feels like it made a difference, and gave me the feeling that in put my cdv back in, itll take some getting used to, i still havent broken it in
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  #13  
Old 10-05-2012, 07:57 AM
justDrive justDrive is offline
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Quote:
Originally Posted by jonathan2263 View Post
Remove as much weight from your car as possible and do your run on low fuel.
Remove everything - seats, spare tyre - everything. You can also try using high-octane fuel. You can change your air filter too with a sports one. Removing the catalyst will also increase your power, but it's banned in most countries.
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  #14  
Old 10-05-2012, 08:11 AM
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cwsqbm cwsqbm is offline
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I always have to ask: why do you care what a stop watch says? Is it laughing at you as you drive? If its because you're loosing street races, either sell the 325i or race slower cars.
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  #15  
Old 10-05-2012, 08:53 AM
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smolck smolck is offline
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Originally Posted by cwsqbm View Post
I always have to ask: why do you care what a stop watch says? Is it laughing at you as you drive? If its because you're loosing street races, either sell the 325i or race slower cars.
Lets cut him some slack. Whether 0-60 or just wanting to be faster, I think we can all understand wanting a little more punch.

Quote:
Originally Posted by anton2718 View Post
i read that alot, how hard is it to put either of those in? compared to clutch, i just replaced mine with a lightweight stage 1, which by the way also feels like it made a difference, and gave me the feeling that in put my cdv back in, itll take some getting used to, i still havent broken it in
If you replaced a clutch the diff is cake. Takes me about 2 hours now that I have done a few. First one took 3. Very simple. Just be smart and drop the rear sway bar out of the way.

Headers took me about 5-6 hours working slowly.
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now, go burn your Man Card, and buy yourself a Camry....
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  #16  
Old 10-05-2012, 09:17 AM
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bmw330ci04 bmw330ci04 is offline
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hate to be "that guy" but you can always sell the 325 buy a 330 and not really worry about it
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  #17  
Old 10-05-2012, 10:10 AM
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Fast Bob Fast Bob is offline
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Quote:
Originally Posted by anton2718 View Post
i know the 325i is slow and you all say theres no point in modding it but i wanna get my 0-60 down to at least somewhere in the sixes from the seven it is, which mods increase acceleration, at least a bit, and whats the fastest 0-60 you've all gotten on your 325i's? i know fast bob will be here shortly to criticize me, and someones gonna say search it in google, oh and im not talking about hp or torque gains, but im sure some mods come with it
Here`s the deal:

Your car is probably putting down right around 150 HP *to the wheels*....not bad, but not earth-shattering, either. You would probably need another 25 or so RWHP to consistently run mid-to-high 6s in the zero-to-sixty sprint, and as previously mentioned by the astute veteran `festers, the most effective solutions would be the combination of a 3.46 rear gear, eBay headers, and a free-flow exhaust system. Since excess weight is MUCH more detrimental to a low-horsepower car, it would behoove you to remove your jack, spare tire, tools, floor mats, CDs, spare change, etc..
All of the above would enhance your quest for a low E.T.

Which brings us to the issue of Driver Input:
Since a *lot* depends on this, you`ll need to play with tire pressures, launch techniques, shift points, etc.

Ultimately, you can *probably* achieve your goal.....

















(or you can buy a 330i )
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  #18  
Old 10-05-2012, 10:18 AM
anton2718 anton2718 is offline
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Quote:
Originally Posted by bmw330ci04 View Post
hate to be "that guy" but you can always sell the 325 buy a 330 and not really worry about it
cant afford a 330 :/
ive been looking though, most of the ones ive seen have auto, which is the same speed as my 325, my buddy actually has a 330, same year as mine but its an auto, and i beat him, if it was manual on the other hand...
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  #19  
Old 10-05-2012, 10:49 AM
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smolck smolck is offline
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Quote:
Originally Posted by anton2718 View Post
cant afford a 330 :/
ive been looking though, most of the ones ive seen have auto, which is the same speed as my 325, my buddy actually has a 330, same year as mine but its an auto, and i beat him, if it was manual on the other hand...
Interesting. A normal 330ci auto is about 6.5sec in the 0-60 area. Your car is more like 7.1 seconds so if you beat the auto 330 then your buddy isn't a very good driver.
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now, go burn your Man Card, and buy yourself a Camry....
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  #20  
Old 10-05-2012, 11:50 AM
anton2718 anton2718 is offline
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Quote:
Originally Posted by smolck View Post
Interesting. A normal 330ci auto is about 6.5sec in the 0-60 area. Your car is more like 7.1 seconds so if you beat the auto 330 then your buddy isn't a very good driver.
i had several people drive his car because i thought the same thing, and i read that a 330 auto is 7 flat...



or im just a really good driver
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  #21  
Old 10-05-2012, 12:24 PM
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MalibuMafiaV MalibuMafiaV is offline
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Did some one say 0-60!?.


I've got them down to 4.5 without trying to hard now. and w/ 103 octane it's down to 4.2 ( If I shift properly ugh ).

oh and http://www.zeroto60times.com/ awesome site
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Last edited by MalibuMafiaV; 10-05-2012 at 12:25 PM.
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  #22  
Old 10-05-2012, 12:24 PM
ventsyv ventsyv is offline
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330 is around 6.5. His car must not be up to snuff, if you know what I meant.
You can get carbon fiber hood/trunk lid, lighter rims, etc. You could probably reduce the car's weight by 100lbs fairly easily.
It's the lbs/hp ratio that makes all the difference.

Last edited by ventsyv; 10-05-2012 at 12:26 PM.
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  #23  
Old 10-05-2012, 12:29 PM
anton2718 anton2718 is offline
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Originally Posted by MalibuMafiaV View Post
Did some one say 0-60!?.


I've got them down to 4.5 without trying to hard now. and w/ 103 octane it's down to 4.2 ( If I shift properly ugh ).

oh and http://www.zeroto60times.com/ awesome site
well you're supercharged right?
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  #24  
Old 10-05-2012, 12:31 PM
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MalibuMafiaV MalibuMafiaV is offline
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Originally Posted by anton2718 View Post
well you're supercharged right?
Yup so long story short. Get FI to get your times lower realisticly. Or take all your interior out and get a more aggresive diff. Lose any weight you dont need.
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  #25  
Old 10-06-2012, 02:27 AM
heztheone heztheone is offline
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Quote:
Originally Posted by anton2718 View Post
i had several people drive his car because i thought the same thing, and i read that a 330 auto is 7 flat...



or im just a really good driver
Or his car is not well maintained, noway a 325 manual would beat a 330 auto, i know how both drive, 330 would be victorious anytime
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