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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 > No mods for the e 90 330i?



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      01-12-2009, 01:45 PM   #1
Dukenole
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No mods for the e 90 330i?

So is this particular model going to be the only BMW in recent years to have no mods available whatsoever to improve performace? I'm satisfied with its performance for now and I doubt I'd do anything significant while it was still under warrenty but once potentially voiding a warrenty is no longer an issue-- 16 months in my case-- it would be nice to have an option or two out there.

Come on Vishnu, Active, ESS, etc., help us 330i owners out.
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      01-12-2009, 01:55 PM   #2
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It's a normally aspirated engine. You may get a few HP from an intake and an exhaust but the gains from an ECU tune/piggy will be minimal.
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      01-12-2009, 02:54 PM   #3
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Quote:
Originally Posted by Dukenole View Post
Come on Vishnu, Active, ESS, etc., help us 330i owners out.
How about Dinan ? I read they offer some stuff for the 330 ?

In Europe you can find more options, like an ECU flash which provides 13-14hp , performance intake and exhausts...
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      01-12-2009, 04:12 PM   #4
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moved to the NA section
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      01-12-2009, 05:16 PM   #5
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I wish someone did come up with something, shoot my warranty is about to be over in like 3xxx miles, so im ready for somethin!!!
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      01-12-2009, 07:52 PM   #6
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Get an LSD with a higher gear ratio...lighter wheels will help too with the dynamics of the car
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      01-13-2009, 11:53 AM   #7
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Mods don't have to be limited to ECU chip reflash. Various tuner shops offer superchargers and turbos for other older model normally aspirated BMWs. Why can't/won't they come out with a FI option for the 330i?

As for the LSD suggestion, I don't take my car to the track and I don't see the advantage of an LSD unless one is tracking their car. I realize I could change intake, exhaust, wheels, etc., but that's just nibbling at the edges IMO. I want more substantial changes in performance.
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      01-13-2009, 12:05 PM   #8
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I would recommend the BMW performance exhaust from Nevets1

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      01-13-2009, 12:33 PM   #9
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Quote:
Originally Posted by Dukenole View Post
Mods don't have to be limited to ECU chip reflash. Various tuner shops offer superchargers and turbos for other older model normally aspirated BMWs. Why can't/won't they come out with a FI option for the 330i?

As for the LSD suggestion, I don't take my car to the track and I don't see the advantage of an LSD unless one is tracking their car. I realize I could change intake, exhaust, wheels, etc., but that's just nibbling at the edges IMO. I want more substantial changes in performance.
From what i read in the past, they have tried but i guess they couldnt get around the ECU or something. I think it kept throwing codes. You can search it up, i asked the same question like 2 years ago lol
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      01-13-2009, 04:15 PM   #10
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the problem with a normal aspirated engine is that modifications dont do too much for them...sure you can get an extra 10hp but that doesnt help too much and the cost to get that hp is so great that its not worth it...now if you want to pour serious money into the car you can make a damn fast 330...get high compression pistions, knife edge the crank, get a new camshaft, free flow headers, straight pipes, and run 100 octane and your 330 would be ridiculous, but at the tune of $10000 or so....turbos are extremely easy to get extra hp out of....a couple hundred dollar chip and there you go 30, 40 , 50 hp, a bigger turbo 100hp if you want...if you want hp get a car with a turbo or a normal aspired engine that already has the hp
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      01-13-2009, 04:23 PM   #11
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Quote:
Originally Posted by 951's 330i View Post
I wish someone did come up with something, shoot my warranty is about to be over in like 3xxx miles, so im ready for somethin!!!
+1 my warranty is already over like 10,000mls+ and already did intake + exhaust. maybe will have to look into headers for full exhaust system now
after that, i hope something else will be out for our N/A engines
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      01-13-2009, 07:49 PM   #12
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Quote:
Originally Posted by Dukenole View Post
As for the LSD suggestion, I don't take my car to the track and I don't see the advantage of an LSD unless one is tracking their car. I realize I could change intake, exhaust, wheels, etc., but that's just nibbling at the edges IMO. I want more substantial changes in performance.
There are two aspects to my recommendation on the LSD. The first is the Limited Slip portion of the equation. If you don't track the car and live in an area with no snow or weather conditions that would compromise traction then you could forego the LSD. However, increasing the rear end ratio, which you can do with or without LSD capability added, will definately increase the performance of your car. This performance increase can easily be more significant than the limited power gains seen from the intake and exhaust combo. Remember though that the increase in performance from the higher gear ratio will actually factor into your need for the LSD part of the equation. I have an LSD with higher gear ratio on order and should have it in my hands within 2 weeks. Installation will be the following week. I will certainly post progress once I have it in my hands.

Last edited by HeelToe; 01-14-2009 at 07:26 PM.
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      01-13-2009, 10:30 PM   #13
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Is it the Quaife unit?...will the one for the 335i work for our cars as well
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      01-14-2009, 07:28 PM   #14
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The LSD I ordered is not a quaife. I ordered the whole pumpkin with an increase in gear ratio from 3.15 to 3.38 - a subtle increase of 7%. A more agressive 3.56 (15%) ratio option is also available.

Last edited by HeelToe; 01-15-2009 at 07:14 PM.
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