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E90/E91/E92/E93 (2006 - 2013)
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  #1  
Old 05-04-2013, 11:54 AM
afarzin afarzin is offline
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Performance mods for 328xi

I recently bought a 2009 328xi which is my first BMW! I come from Audi so I'm not too familiar with BMW mods.

What are the "must have" performance mods for E90 328is? In Audi-land, chassis brace and anti-roll bars were pretty standard for improving steering response and driving dynamics, but I'm not sure if they're really worth the price for a BMW.

So far I'm seeing there' some decent gains to be had with an intake and a exhaust upgrade. I think the stance looks fine so shelling for coils or springs is a bit of a drag. I'll probably go for a modest drop at some point though.
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Old 05-04-2013, 02:13 PM
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CALWATERBOY CALWATERBOY is offline
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Quote:
Originally Posted by afarzin View Post
I recently bought a 2009 328xi which is my first BMW! I come from Audi so I'm not too familiar with BMW mods.

What are the "must have" performance mods for E90 328is? In Audi-land, chassis brace and anti-roll bars were pretty standard for improving steering response and driving dynamics, but I'm not sure if they're really worth the price for a BMW.

So far I'm seeing there' some decent gains to be had with an intake and a exhaust upgrade. I think the stance looks fine so shelling for coils or springs is a bit of a drag. I'll probably go for a modest drop at some point though.

There's little real gain in N52 Land....engine's well developed as is. Promises of substantial power increase are only that.

Suspension-wise, you should give HP Autowerks a call - ask.
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Old 05-04-2013, 08:31 PM
ctuna ctuna is online now
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You could look here

http://www.e90post.com/forums/forumdisplay.php?f=378

http://www.e90post.com/forums/forumdisplay.php?f=16

aa tune and three stage intake is about the biggest change you can make.
With the right exhaust it should get about 260 hp.

Last edited by ctuna; 05-04-2013 at 08:33 PM.
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