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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 08-20-2012, 01:27 AM   #1
carpie315
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I have e46 325i and I want to start up grading it

I want to build a really nice car.. this is my first bmw I just bought it after ny deployment and I pretty much fell in love with it... any suggestions ?

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Old 08-20-2012, 01:37 AM   #2
Dreamliner330
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Buy a 330 or M3. Other than cosmetic mods, there are no economic performance options. Closer to stock, the better.

Also, thanks for your service.
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Old 08-20-2012, 09:27 AM   #3
jared_wiesner
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My E46 328 is pushing 195 to the wheels, right in line with what I've seen many dyno's of ZHP's making. That's with under 1000 spent in mods. Far below the cost of upgrading to a 330 and without the worry of running near red line constantly at the track.

Quick cheap power comes from Ebay Headers/Bimmer Brakes Headers, true long tube cold air intake, maybe a swap to a m54b30 intake manifold, and a tune.
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Old 08-20-2012, 11:15 AM   #4
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How good are you with tools? That is the question...
Look at my sig... I am sure you can do it to your car too.
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Old 08-20-2012, 11:29 AM   #5
carpie315
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I'll start checking out some options right now I'm waiting on a new key from bmw because the non replaceable battery died.. and it's almost 200 for a key

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Old 08-20-2012, 12:13 PM   #6
Iceman00
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Supercharge/Turbo charge for real power. Period.
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Old 08-20-2012, 12:55 PM   #7
jared_wiesner
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Originally Posted by Iceman00 View Post
Supercharge/Turbo charge for real power. Period.
For big power sure. But in all honesty if you are tracking the car on a road course or plan to, I'm unconvinced about the merits of after-market forced induction. From what I've seen of most people running it on the track, (in our cars as well as other non-factory boosted cars) it greatly reduces reliability on track. It causes big heat issues and really pushes things to the limit. If you want to dump huge money into solving these issues, it can be done, but in that case you really would be better off with an m3 to start.

However, if you want a fun, quick, and reliable track car. It can be done with some light modification to an N/A 3 series.

In my mind, boost can be an affordable solution to the desire for extra power for quick blasts on the street or drag racing, not so much for a car to be flogged on lap after lap. (Maybe this is what the OP wants?)
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Old 08-20-2012, 01:25 PM   #8
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Originally Posted by jared_wiesner View Post
For big power sure. But in all honesty if you are tracking the car on a road course or plan to, I'm unconvinced about the merits of after-market forced induction. From what I've seen of most people running it on the track, (in our cars as well as other non-factory boosted cars) it greatly reduces reliability on track. It causes big heat issues and really pushes things to the limit. If you want to dump huge money into solving these issues, it can be done, but in that case you really would be better off with an m3 to start.

However, if you want a fun, quick, and reliable track car. It can be done with some light modification to an N/A 3 series.

In my mind, boost can be an affordable solution to the desire for extra power for quick blasts on the street or drag racing, not so much for a car to be flogged on lap after lap. (Maybe this is what the OP wants?)
Hey I agree with you, which is why my car isn't boosted.
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Old 08-20-2012, 01:42 PM   #9
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Originally Posted by carpie315 View Post
I want to build a really nice car.. this is my first bmw I just bought it after ny deployment and I pretty much fell in love with it... any suggestions ?

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Build the car you have to what it was...then start playing around with it if that doesn't suit you.

You've got a car you love...but already you don't love it any more! The risks ahead are that the things you try based on what you read here might not work like 'advertised.' They'll be work arounds, issues, etc...I see it all the time here.

Headers in particular seem to give folks no end of trouble. It's a lot of $$$ and work you're thinking for not so much return. You think you'll notice an extra .2 secs on the dragstrip?
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Old 08-20-2012, 02:10 PM   #10
jared_wiesner
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Originally Posted by Iceman00 View Post
Hey I agree with you, which is why my car isn't boosted.
I know 75% of what I've done to my car was me reading your threads following in your footsteps. I just wanted to provide an opinion as to why some people are willing to fork out money and stay N/A.
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Old 09-03-2012, 10:18 PM   #11
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No advantage in headers?
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Old 09-03-2012, 11:04 PM   #12
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Investing in shark injector will help the 325 a little I hear

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Old 09-03-2012, 11:05 PM   #13
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Get an M3. You won't go very fast without one, nor will you be happy with the looks.
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