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E46 Xi Forum
The E46 XI was produced from 01-05 in sedan and touring body styles. Powered by either a 2.5L inline 6 in the 325xi or a 3.0L inline 6 330xi. Discuss all thing about BMW AWD E46 'Xi' here.

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Old 03-11-2011, 07:42 PM   #1
Registered User
Join Date: Apr 2009
Location: Telford, PA
Posts: 18
My Ride: 02 BMW 325XI
Cool 02 325xi - Performance/Necessary Upgrades

Hey i've tried posting this on here before an cant remember so much what feedback i got so im trying again.

The only catch this time is that im currently deployed so doing the research is difficult an i could use some help as well as advice from you guys who knw alot more bout this crap then me haha

I have an 02 325xi n have done the following so far

- Shark Injector
- Short ram intake
- replaced the stock exhaust pipe from just under the engine to out the back with 2.25in pipe n a RE Ikon Exhaust
- have aftermarket rims

i have the springs to lower the car n in addition to that im going to replace the shocks with Bilstein Sport shocks an those run bout 450 for the whole set, from wat ive found

some things that ive seen online are
-Rogue Engineering Power Pulleys
-Performance ignition coils (bavauto.com)

i cannot for the life of me find an affordable header, now after my deployment im having a kid literally 2-3 weeks when i get back so my hope for my bmw is to upgrade it performance wise as well as replace things that would help it to last well beyond the 120,000 miles it has on it now.

If anyone can let me know what additional changes would be the most beneficial as well as where exactly i can find the parts then i would appreciate the help
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Old 03-11-2011, 08:36 PM   #2
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Join Date: Oct 2010
Location: Minnesnowta
Posts: 3,599
My Ride: 4cyl of fury
I would honestly not bother with trying to upgrade the performance much more than what you've already done. Yes, do the suspension but save your money for both the kid and any unforeseen maintenance/repair issues which will inevitably come up. You aren't going to see a hugely noticeable increase in power with either of those mods.
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Old 03-11-2011, 08:52 PM   #3
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Join Date: Jun 2008
Location: Minnesota
Posts: 2,902
My Ride: 330xi
Yeah, I really wish I would have kept my car stock, would have saved me a whole lot of money.
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Old 03-11-2011, 09:51 PM   #4
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Join Date: Nov 2008
Location: West Haven, CT, USA
Posts: 2,003
My Ride: '01 330xi - '09 IS-F
Originally Posted by Dreamliner330 View Post
Yeah, I really wish I would have kept my car stock, would have saved me a whole lot of money.
I've said that so many times. Once you get started, you know it's impossible to stop.

2001 BMW 330xi
2009 Lexus IS-F
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Old 03-11-2011, 11:12 PM   #5
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Join Date: Apr 2010
Location: in the drivers seat
Posts: 141
My Ride: 330XI R1200C
Originally Posted by Rickna View Post
I've said that so many times. Once you get started, you know it's impossible to stop.

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Old 03-12-2011, 11:23 AM   #6
Bimmer Dude Xi
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Join Date: Jul 2008
Location: Staten Island, NY
Posts: 2,352
My Ride: 03 325XI 07 ZX-6R
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Stop modding the car, performance upgrades are a waste

I've said that so many times. Once you get started, you know it's impossible to stop.
I stopped becuz I have something else to mod

but you my fellow fanatic is having a child and that's where your money should go to mainly and maintenance as well.

|Dinan High Flow Air Box|Eibach Pro Kit|Koni Sport|UUC Strut Barbarian|UUC TSE3|UUC Underdrive Pulleys|18" VMR V710|

|BMC Race Air Filter|CRG Spectrum Levers| Galfer Steel Braided Brake Lines|Volar Motorsport Spiked Frame & Bar-end Sliders|
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Old 03-12-2011, 01:04 PM   #7
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Join Date: Jun 2008
Location: New York
Posts: 3,340
My Ride: not an E46
turbo or supercharger is the only way to go. along with upgraded mounts, clutch, suspension bushings, and coilovers. and exhaust.

2003 325xi 5MT
Jet Black, ZSP, ZPP, ZCW, OEM Xenon ^^RIP
sig by Solidjake
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Old 03-12-2011, 05:10 PM   #8
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Join Date: Apr 2008
Location: Boston
Posts: 4,765
My Ride: 2003 325xi
I actually like the power pulleys. They tighten up the steering and you can tell a difference at higher rpm. Pulleys, performance friction z-compound pads, nice tires for those hopefully light aftermarket wheels, Stewart waterpump, redline driveline fluids, and some powerflex fcabs and rtabs are all worth the time and money in my opinion.

You can get bilsteins for under $400 now. HnR springs on bilstein sports won't be baby friendly, however. Eibach springs are the way to go. Bilstein hd with stock springs also give a nice ride.
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