Hi Guys,

i want to flush my brake fluid.

The preowner used Ap Racing 600, but i want to use a normal DOT 4.

Normally i flush without piwis, but in this case i think everything of the old should be removed, so how is the procedere for that?

I use this tool for flushing:

https://www.gl-gmbh.de/catalog/product/view/id/294716

 

You really need the piwis to bleed the ABS module, if you dont introduce any bubbles/let the res go dry when you chamge the fluid it wont be necessary.

Service manual calls for draining 250ml from each corner for a fluid change, if you want to be extra sure you flushed out all of the old fluid just flush larger amounts maybe 700ml-1L from each corner.

Good luck