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///M3 Forum
The BMW E46 ///M3 is the M version E46 and puts out an amazing 333 HP and 262 lb-ft of torque at stock specs! There are an amazing amount of modifications for both the coupe and convertible models so read up and get started modifying your cars today!

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Old 02-25-2013, 08:03 PM   #1
GN_M3
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HELP!! Brake Dust Shields

So, I have a 05 M3 with 30k miles on it, and the suspension and brakes are Stock. This weekend or the next I'll be doing new Rotors, Pads, and Parking Brake Shoes.... Right now when I drive I hear something coming from the rear on both sides and it sounds like maybe the Brake Dust Shields are possibly bent? Also my parking brake seems to stick sometimes but I'll to solve that when I do all the brakes..... So what my main question is,, Do you need the Dust Shields?
I couldn't get a straight answer by checking out other threads. I was thinking about removing them when I do my Brakes.
Anyone remove them? Is it bad? Does it matter at all?
Opinions appreciated, thanks!!
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Old 02-25-2013, 08:08 PM   #2
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Removing them does improve heat dissipation to the rotors, but leaves them open to any debris. I don't run them on mines at all.
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Old 02-25-2013, 08:10 PM   #3
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Removing them does improve heat dissipation to the rotors, but leaves them open to any debris. I don't run them on mines at all.
Do you think it's harmful to the suspension components? And also if you don't mind me asking but what was the reason you decided to remove them?
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Old 02-25-2013, 08:44 PM   #4
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Their primary purpose isn't brake dust.
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Old 02-25-2013, 08:45 PM   #5
GN_M3
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Their primary purpose isn't brake dust.
So what's there primary purpose?
Do you use them?
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Old 02-26-2013, 03:25 PM   #6
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It appears to have 2 primary purposes. First, it acts as a heat shield for the suspension components and ball joints (brake rotors get seriously HOT). Second, it keeps brake dust from coating the aforementioned components. If you want to improve braking performance, upgrade your rotors to the 2 piece, drilled European rotors. Those mount the rotor disc on an aluminum hub, and dissipate heat far more effectively than our single-piece cast iron rotors.
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Old 02-28-2013, 07:26 PM   #7
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Can you remove the dust shield without cutting it out? Sounds like new rotor are rubbing against shield....

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Old 03-03-2013, 09:05 PM   #8
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Quote:
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Can you remove the dust shield without cutting it out? Sounds like new rotor are rubbing against shield....
Yes but you need to remove the hub flange/bearing (depending on F or R)
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Old 03-03-2013, 09:09 PM   #9
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The rear is the issue.. Is there a DIY in the forum for this?
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