Performance Modification-echaust, Cam, Header - BMW Forum - BimmerWerkz.com
3-Series (E21, E30) Chat relating to the BMW 3-Series from 1975-1983 and 1984-1991 line. Specific models: BMW 315, BMW 316, BMW 318, BMW 318i, BMW 320/4, BMW 320i, BMW 320/6, BMW 323i, BMW 320i. E30 Family models include: BMW 325e, BMW 325i, BMW 325is, BMW 325ix.

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#1 (permalink) Old 02-26-2005, 02:18 PM
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Hi
I whant to give more power to my 325IX 1989 but before buy i have some question to people that have modificate his bmw.

1: I whant to put a camshaft, i know that shricks cam are the better but very $$ did you know place to buy aftermarker cam, or other cam that are cheapless but have a good performance upgrade. ( i know that bwm2002.com rebuilt original camshaft forbetter perfoamcne.. does is good?)

2: I need to upgrade my exhaust if i whant to have better performance with the camshaft. But does i need to change all the exhaust line or just the cat back and the headers will do the job?

3: If i can use my orgininal line, does it will fit on a supersprint or ansa catback? (same input size)

4: What is the original size of the double exhaust?

5: Does its true that i need to buy a reel exhaust for bmw or go buy a standart performance catback with a Y can do the same job?

Finally, what better compagny or web page to buy for a good $$/performance that can ship to quebec city. (used or new)

Thx a lot for information

Note: My car have a conforti chip***

BMW 325IX Black, Build for drift
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#2 (permalink) Old 02-27-2005, 11:51 PM
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1, don't buy a regrinded stock cam. schrick or bmp would be the way to go. bmp has a decent selection of cams.
2, start from the back and work your way foward with the exhaust. if you plan on headers, then first you'll need the catback, and a better cat. i run a custom 3" from about 2 feet before the stock cat.
3, i'm not sure
4, 1.75"
5, you can buy a custom fit exhaust, more money then its worth imo, or get a custom one fabbed. you could get a custom exhaust from the headers back for the price of a premade catback.
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#3 (permalink) Old 02-28-2005, 12:23 PM
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bavarianautosport.com also sells parts for your car.

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#4 (permalink) Old 02-28-2005, 12:35 PM
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Quote:
Originally posted by spiff325is@Feb 28 2005, 11:23 AM
bavarianautosport.com also sells parts for your car.
[snapback]300980[/snapback]
Dont waste your money there
www.bmaparts.com
They have a 5% discount with free shipping if you spend over 50 dollors
(not hard to do)
code:specE30

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#5 (permalink) Old 02-28-2005, 02:52 PM
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Quote:
Originally posted by draculia@Feb 27 2005, 09:51 PM
1, don't buy a regrinded stock cam. schrick or bmp would be the way to go. bmp has a decent selection of cams.

[snapback]300766[/snapback]
why no regrind? i was talking to a guy who grinds regrinds and ones froms a solid core, he likes the regrinds of the euro cams more because they are made of a harder metal then all the aftermarket cams which means they wont break or wear out as quickly so as far as i can see if you get a competant guy with the right profile there hsould be no downsides. fortunatly i know an extreemly compentant guy with an awsome profile and iv been running these cams for 1 month and a half and they're the best thing that ever happend to the car.

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#6 (permalink) Old 02-28-2005, 04:26 PM
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does he have them for 325i's?
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#7 (permalink) Old 02-28-2005, 08:36 PM
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Quote:
Originally posted by e30fanm3@Feb 28 2005, 02:26 PM
does he have them for 325i's?
[snapback]301157[/snapback]
yeah

M42 Custom ground cams for sale PM me
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#8 (permalink) Old 03-01-2005, 12:42 AM
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you want chill hardened billets, which is what you'll get with most decent companies. i would personally have a cam ground from a blank rather then a reground stocker. after all the stocker starts life out as a chill hardened billet blank.
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#9 (permalink) Old 03-01-2005, 03:17 AM
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oops enter twice

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#10 (permalink) Old 03-01-2005, 03:17 AM
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Quote:
Originally posted by draculia@Feb 28 2005, 10:42 PM
you want chill hardened billets, which is what you'll get with most decent companies. i would personally have a cam ground from a blank rather then a reground stocker. after all the stocker starts life out as a chill hardened billet blank.
[snapback]301557[/snapback]
yeah but the properties of the cams are different. the stock bmw ones are harder then any aftermarket cam you can buy i guess its all in prefrence that and buying from big name you dont have to worry about finding somone reliable... fortunatly i found reliable and my car is still way way way way under air care limits

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#11 (permalink) Old 03-01-2005, 07:39 AM
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most places use schrick and/or oem blanks. i'm agreeing with you on material quality, i personally would just rather have a fresh grind.
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#12 (permalink) Old 03-01-2005, 04:09 PM
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how much?
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#13 (permalink) Old 03-01-2005, 05:31 PM
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Thx all for information.

SO what i understand is take a shrick cam with a ireland ingenering header and a costum exhaust, not important to spant money on a supersprint catback.

IIF somebody have or know who have performance cam and headers for very grood price, used if nessesary...

Thx all

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#14 (permalink) Old 03-02-2005, 06:51 PM
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Quote:
Originally posted by e30fanm3@Mar 1 2005, 02:09 PM
how much?
[snapback]301895[/snapback]
umm depends i got mine done for 350$ canadian but he didn't make any money on me so normaly like 500$ or so maybe al ittle more? id have to check and its only a single cam i can call him if you want

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#15 (permalink) Old 03-02-2005, 07:41 PM
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let me know, i need US prices though
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