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09-06-2012, 09:23 PM
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#1
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E92 M3
Join Date: May 2003
Location: Mississauga
Posts: 887
Car: 2011 E92 M3 & SRX
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looking to install headers in the M3 any reccomendations?
anyone with any reputable shops? I also want to pass emissions is this possible?
__________________
Space Grey,Fox Red,DCT,EDC,Swift Springs,Carbon Fiber Roof,Diffuser,Splitters,Mirrors,M Performance Exhaust,15/12 spacers
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09-07-2012, 10:12 AM
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#2
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1st Gear Newbie
Join Date: Oct 2007
Location: Toronto
Posts: 44
Car: E46 M3
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Any of the forum sponsors here can install headers. RMP, StanceFactory, Bimmersport, etc. Expect labor to be in the neighborhood of $4-500. While you have the headers out, definitely replace your CPV o-ring.
If you are running catless, it'll be damn tough to pass emissions. So, get yourself a catted section 1 and you'll be fine with passing emissions. I see that you have a rasp pipe...either get cats welded into that, or sell it for a different setup with cats.
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09-07-2012, 02:56 PM
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#3
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E92 M3
Join Date: May 2003
Location: Mississauga
Posts: 887
Car: 2011 E92 M3 & SRX
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ok bro thanks for the reply!!!! I will look into my options
will there be a noticeable gain 15h.p or so?
__________________
Space Grey,Fox Red,DCT,EDC,Swift Springs,Carbon Fiber Roof,Diffuser,Splitters,Mirrors,M Performance Exhaust,15/12 spacers
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09-07-2012, 05:20 PM
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#4
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MaXsponsor
Join Date: Oct 2003
Location: Etobicoke, Ontario
Posts: 1,419
Car: E90 Race Car
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We have installed many sets of headers, the gains are decent.
We also can dyno your car before and after to confirm the gains in hp!
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09-07-2012, 08:28 PM
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#5
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Stance is Gay.
Join Date: Jun 2007
Location: Ancaster
Posts: 3,437
Car: '06 325i
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You more than likely wont pass emissions. You'll need some cats in the mid section.
Do not go to Bimmersport. RMP and Stancefactory are good options.
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09-09-2012, 12:52 PM
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#6
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1st Gear Newbie
Join Date: May 2012
Location: Toronto
Posts: 48
Car: BMW
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If you plan to pass emissions AND have a nice clean install that will last and be reliable then your best bet will be to get CSL manifolds and section 2.
Other options consist of poorly made china parts that will fall apart after a year.
It'll set you back about $1700-2000 plus about $500-700 for install.
You will gain 11rwhp at upper RPM range, have a much nicer , raspier exhaust tone. Your wallet will also drain about $2500 but your E status will go thought the roof.
If you need help with getting OEM CSL manifolds, let me know
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09-09-2012, 11:32 PM
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#7
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E92 M3
Join Date: May 2003
Location: Mississauga
Posts: 887
Car: 2011 E92 M3 & SRX
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so your saying I may not pass emissions with the csl setup?
__________________
Space Grey,Fox Red,DCT,EDC,Swift Springs,Carbon Fiber Roof,Diffuser,Splitters,Mirrors,M Performance Exhaust,15/12 spacers
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09-09-2012, 11:32 PM
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#8
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Stance is Gay.
Join Date: Jun 2007
Location: Ancaster
Posts: 3,437
Car: '06 325i
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CSl setup will work. Good luck finding that midpipe though.
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09-09-2012, 11:35 PM
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#9
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1st Gear Newbie
Join Date: Oct 2007
Location: Toronto
Posts: 44
Car: E46 M3
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You'll pass with oem csl/euro setup no sweat. It's only when you're going catless that will cause issues.
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09-10-2012, 08:13 PM
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#10
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1st Gear Newbie
Join Date: May 2012
Location: Toronto
Posts: 48
Car: BMW
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Quote:
Originally Posted by E46coupe
so your saying I may not pass emissions with the csl setup?
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huh ?
I said that you WILL pass emissions and that its the ONLY safe/reliable method of doing this.
How could you;ve gotten something else from my post
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09-10-2012, 08:27 PM
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#11
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E92 M3
Join Date: May 2003
Location: Mississauga
Posts: 887
Car: 2011 E92 M3 & SRX
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Ok I just Hear from different forums that the csl option will not pass emissions so I need to find these parts and try it out
__________________
Space Grey,Fox Red,DCT,EDC,Swift Springs,Carbon Fiber Roof,Diffuser,Splitters,Mirrors,M Performance Exhaust,15/12 spacers
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09-11-2012, 10:20 AM
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#12
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1st Gear Newbie
Join Date: Oct 2007
Location: Toronto
Posts: 44
Car: E46 M3
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CSL setup WILL pass. Hell, I am running CSL headers with catted section 1 AND a supercharger and I still passed my emissions test in 2011.
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09-11-2012, 10:59 AM
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#13
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Cruising in Top Gear
Join Date: Aug 2011
Location: Toronto, ON
Posts: 612
Car: 2004 M3, 2001 325i
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A 325 running catless headers gained 11whp.
Expect more if going catless, or around the same if they're just high-flowing.
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09-11-2012, 03:17 PM
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#14
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E92 M3
Join Date: May 2003
Location: Mississauga
Posts: 887
Car: 2011 E92 M3 & SRX
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are the euro headers the same set up as csl's I know there is a weight difference. Its a little cheaper then csl parts.
__________________
Space Grey,Fox Red,DCT,EDC,Swift Springs,Carbon Fiber Roof,Diffuser,Splitters,Mirrors,M Performance Exhaust,15/12 spacers
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