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      08-13-2012, 10:38 PM   #19
sibhusky
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Drives: 2011 E90 M3
Join Date: Jul 2012
Location: NoVa

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I use a motive power bleeder and use ATE dot 4, as someone else noted they have changed the interval to 3 years. You definitely want to do this however its not as critical as other fluids. A good sign is if your pedal feels spongy, or not as firm, its time to bleed.
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