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Excessive brake dust after upgrading to 18" alloys :(

Discussion in 'Audi S4/A4/A4 Cab (B7 Chassis)' started by psychopomp1, Jul 30, 2013.

  1. psychopomp1
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    psychopomp1 Member

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    [Jul 30, 2013]
    Hi
    recently upgraded to 18" rep wheels from 16" oem alloys but noticed an increase of brake dust...couple of days after giving the car a good wash the wheels (silver) are covered in black again. Any ideas why this happens? Afaik the brake pads are fine, were only changed a year or so ago.
    Cheers
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  3. AudiB7Jay
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    AudiB7Jay Member

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    [Jul 30, 2013]
    I noticed the same but i didnt go up in a size, from 18" gens to 18" gens (lighter wheel) i think its possibly just a colour change that you seem to notice it more? + the coating on the wheels may be to blame?
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  4. A4_MaJiK
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    A4_MaJiK Azeem

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    [Jul 30, 2013]
    Due to the increase in rotational mass, you'll find yourself having to brake more to stop. This in turn increases brake pad wear, hence more brake dust. Other things such as the colour of the wheels may also be a contributing factor too.
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  5. psychopomp1
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    psychopomp1 Member

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    [Jul 30, 2013]
    Thanks fellas, looks like its something which I'll just have to put up with.
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  6. A4_MaJiK
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    A4_MaJiK Azeem

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    [Jul 30, 2013]
    Give the wheels a good clean/polish/wax to keep them protected and use a decent wheel cleaner to help.
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  7. psychopomp1
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    psychopomp1 Member

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    [Oct 14, 2013]
    Just an update: i started using Collinite 845 Insulator wax (link) on my alloys and it keeps the brake dust away. An absolute doddle to apply and highly recommended if you're having problems with a lot of brake dust on your alloys.
    #6

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