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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 01-19-2015, 04:00 PM   #1
barkerc
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Join Date: Jan 2015
Location: West Lawn
Posts: 6
My Ride: 325xi 2002
2002 325xi upgrades

So I have a 2002 325xi and it has 158k miles on it, would it be a good idea to supercharge it or would it be better to replace the engine before doing something like that? Also, what other things would be good to go with that? Things I had in mind were cai, Performance exhaust, suspension upgrade. Any others? Any comments on the ones listed? I originally thought that a turbo would be better than to sc but from what I've seen superchargers are typically better cost effectively to put in.

Thanks
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Old 01-19-2015, 04:22 PM   #2
barkerc
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Join Date: Jan 2015
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My Ride: 325xi 2002
Almost forgot to note, I would like to do all modifications / upgrades myself, I'm new to everything so any links or places to start reading info would be greatly appreciated.
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Old 01-19-2015, 05:07 PM   #3
Rob43
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Join Date: Oct 2009
Location: Richmond VA
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My Ride: 03 331Ci 5spd R1200R
There's a big difference in both performance & cost between N/A at roughly 1K and F/I at roughly 5K, which one are you prepared to spend for ?


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Rob #43 ITS/ITR/STU, BMW 325I, STU LAP RECORD
SUMMIT POINT WV 1:24:229 S.C.C.A.
(DynoDynamics https:vimeo.com/8486878 Dyno Video)
"Chance Favors The Prepared Mind"

Need Help With Your Nitrous Ambitions ?.....PM ME
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Nitrous is a little trickier than boost, but it's not the spray that kills motors, it's STUPIDITY!!
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Old 01-19-2015, 05:12 PM   #4
barkerc
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Join Date: Jan 2015
Location: West Lawn
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My Ride: 325xi 2002
Well currently I have about 1.5k free but am working on getting a job so I could save up for the higher performance boost
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Old 01-19-2015, 05:18 PM   #5
Rob43
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Join Date: Oct 2009
Location: Richmond VA
Posts: 4,504
My Ride: 03 331Ci 5spd R1200R
Quote:
Originally Posted by barkerc View Post
Well currently I have about 1.5k free but am working on getting a job so I could save up for the higher performance boost
Get your new job & then spend on what you like....


Rob43
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Rob #43 ITS/ITR/STU, BMW 325I, STU LAP RECORD
SUMMIT POINT WV 1:24:229 S.C.C.A.
(DynoDynamics https:vimeo.com/8486878 Dyno Video)
"Chance Favors The Prepared Mind"

Need Help With Your Nitrous Ambitions ?.....PM ME
Quote:
Originally Posted by RacerX View Post
Nitrous is a little trickier than boost, but it's not the spray that kills motors, it's STUPIDITY!!
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