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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Fri, Sep-16-2005, 03:47:46 AM   #1
jotti
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Default CSL front bumper and Brake cooling? Is it an issue?

Running 6 Piston AP Racing brakes. Will I have any problems? 3 - 4 track days a year and a max of 10 autocross.
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Old Fri, Sep-16-2005, 03:52:01 AM   #2
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There was a discussion a little while ago on this, try a search. We never really came to an answer, but I think you will be fine.
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Old Fri, Sep-16-2005, 01:49:46 PM   #3
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duct the brakes to the large center opening.
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Old Fri, Sep-16-2005, 05:55:50 PM   #4
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Quote:
Originally Posted by STALKER
There was a discussion a little while ago on this, try a search. We never really came to an answer, but I think you will be fine.
Thanks, didn't even cross my mind
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Old Fri, Sep-16-2005, 05:58:16 PM   #5
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Quote:
Originally Posted by glenspeed
duct the brakes to the large center opening.
Anybody successfully done this?

I just got a great idea, will post up a pic as soon as I find it.
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Old Fri, Sep-16-2005, 06:07:55 PM   #6
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I can't find it right now. But there is a grill replacement for the E46 M3 out there that has these holes built into the sides of the grill. Almost the size of a hockey puck. Chrome surround I believe. That could work wonderfully.
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Old Fri, Sep-16-2005, 06:11:39 PM   #7
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if you look at the reiger abs "csl" bumper, it has the cutout on both sides...

kind of a unique look i think. but then again, if you're going to have both sides with holes, why not just use the OEM bumper?
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Old Fri, Sep-16-2005, 06:35:32 PM   #8
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just put the ductwork behind the lower grill. plenty of air and not noticeable. why would you want a cutout in your grill?
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Old Fri, Sep-16-2005, 08:46:57 PM   #9
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Check out the some of the M5 boards, it's a very common mod for them. They use the ducting to feed the airboxes however.
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Old Fri, Sep-16-2005, 09:34:01 PM   #10
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RRT has an assortment of cooling options...

RRT - Road Race Tech
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Discussing CSL front bumper and Brake cooling? Is it an issue? in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)