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E46 M3 Brake Cooling Duct Quandary....

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Old Thu, Mar-15-2012, 10:00:43 PM   #51
jgalaxy
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Default Re: E46 M3 Brake Cooling Duct Quandary....
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Originally Posted by See-Fu View Post
i think porsches come with something like that from the factory. Arn't you really only cooling 1 side of the rotor with something like that, and isn't that bad?
Air is being channeled towards the rotor. I'm not sure how the hose system does anything different.
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Old Sat, Jun-30-2012, 11:55:40 PM   #52
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Default Re: E46 M3 Brake Cooling Duct Quandary....
I noticed a lot of these pics don't have foglight brackets. do you think any of the ducts on pegasus or racerwholesale would work with the foglight bracket?
I just got my M3 and one of the foglights is broken.
Rather than replace the foglight, I'd like to get a duct in there. I would prefer to use a bolt/screw to mount it to the foglight bracket.
Sound plausible?
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Old Sun, Jul-01-2012, 01:05:54 PM   #53
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Default Re: E46 M3 Brake Cooling Duct Quandary....
Your best bet, outside of custom fabrication, would be a Hamann style fog light insert. There are a lot of them on eBay.
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Old Fri, Jul-06-2012, 06:22:38 AM   #54
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Default Re: E46 M3 Brake Cooling Duct Quandary....
Those keep the foglight right? or can you run them without the fogs?
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Old Fri, Jul-06-2012, 09:38:34 AM   #55
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Default Re: E46 M3 Brake Cooling Duct Quandary....
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Those keep the foglight right? or can you run them without the fogs?
Yes, with the Hamman style ones you can keep the fog lights if you wish. Just Google them and you will find plenty of pics, including on eBay.
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Old Fri, Jul-06-2012, 06:27:45 PM   #56
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Default Re: E46 M3 Brake Cooling Duct Quandary....
If you are looking for solutions that allow you to delete the foglight completely and run a duct, Turner Motorsports and Bimmerworld have that available.
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Old Fri, Jul-06-2012, 07:57:31 PM   #57
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Default Re: E46 M3 Brake Cooling Duct Quandary....
TO keep or not to keep the fogligh - currently going through the same quandary...thinking about deleting rather than trying to work around keeping them...
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Old Fri, Jul-06-2012, 07:58:06 PM   #58
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Default Re: E46 M3 Brake Cooling Duct Quandary....
Deleted looks better imo.
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Old Fri, Jul-06-2012, 10:05:29 PM   #59
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Default Re: E46 M3 Brake Cooling Duct Quandary....
Quote:
Originally Posted by jgalaxy View Post
Air is being channeled towards the rotor. I'm not sure how the hose system does anything different.
With the ducting kits that are on the market (BimmerWorld and Turner) the air is forced to the rotor hub forcing it up through the veins which cools both the faces of the rotor from the inside. I believe the scoop method above would only cool the inner face.
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Old Thu, Jul-19-2012, 03:13:29 AM   #60
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Default Re: E46 M3 Brake Cooling Duct Quandary....
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Originally Posted by jmciver View Post
Your best bet, outside of custom fabrication, would be a Hamann style fog light insert. There are a lot of them on eBay.
here is what I did and have been very happy. Although I do have one cercern I'd like to hear input on...

1) Hamman knock offs like $20 or $30
2) BW backing plates
3) Ducting similar to what this guy did. I run the hose right from the hamman style duct, cut up the stock duct to get into the undershield and then exit the undershield near the front roll bar. http://www.davidparis.org/coupe/brakeducting.html

It works great and full lock with 265's is not an issue.

CONCERN: I have effectively blocked any air flow that might have come into the intake via the drivers side duct. I believe this was mentioned earlier with regards to getting air for a S/C. I don't have a S/C so do I need to be concerned about getting air from here for the intake? And if so, how?
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Discussing E46 M3 Brake Cooling Duct Quandary.... in the M3 Track: Racing and DE Forum - Best mod for speed is learning to get the most out of what you currently have. Tracks and DE's is the place to start! at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)