Friday, March 25, 2011

Brake Master Cylinder

Part #4 "Pre pressure valve" Needs to go if you've got rear disks. Definitely get a second opinion as I learned this from someone else's thread.


"I have never seen that #4 thing either...my MasterCylinder did not have one".
PN/ #4 in the diagram above

I attached a diagram of the e12 system. The valve that you need to remove is the same as on the e21, it's #10. Put your wilwood valve in place of that.
Install your wilwood valve there. You don't need an e12 MBC.



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