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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Technical Forums > Suspension | Brakes | Chassis > Brake fan??



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      04-09-2012, 12:29 PM   #1
will.c
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Brake fan??

I don't know if this type of stuff had been talked about here, but I'll try you guys. Three types I came across:

1) Fan mechanism that bolts onto the hub (where spacers would sit)
http://ultracoolbrakefans.com/main/product-images

2) Fan mechanism that attaches to the wheel like a wheel cover (like a hub cap)
http://www.mat.fi/n_index.php?nav=ga...exbiasion&g=13 (go to pic# 96-108)

3) fan-shaped wheel spokes, sometimes called "wheel fairings"
See pics attached

How effective are these?
Why are these not widely used on street performance/sport cars?
Which directions should the fan spokes be? Suck the air out of rim, or shove air into rim?
More questions to come...

I donno, just trying to get some ideas about brake cooling
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      04-10-2012, 04:39 PM   #2
will.c
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Bump guys I wanna hear ur thoughts
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      04-10-2012, 05:00 PM   #3
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      04-10-2012, 05:34 PM   #4
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      04-12-2012, 10:04 AM   #5
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try these. they should provide the best cooling for your brakes jkjk

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      04-12-2012, 06:35 PM   #6
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