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      03-19-2019, 07:59 AM   #17
jritt@essex
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Drives: e90 335i, NSX, 997.2, 987.1
Join Date: Aug 2009
Location: Charlotte, NC

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Quote:
Originally Posted by MaximusB View Post
Do you need to cycle the abs pumps to complete the flush when you’re changing from oem to bbk? Or just a regular bleed is sufficient?
Usually a full install will require the ABS to be cycled. On one of my cars we recently did the install. I went out and drove a few days, got into ABS eight or ten times, and then brought it in to rebleed. We found air bubbles at every caliper. In my case we installed a fresh master cylinder, which introduces considerably more air, but it does usually take a bit to work all the air out. Sometimes there is some that gets worked out when the ABS is cycled.
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