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Discussion Starter #1
The time has come that I need to change my brake fluid to keep IDrive happy.

Can anybody confirm what volume of fluid is needed to flush through the whole system? I had guessed at a litre but think I might need more.

I see many different opinions online but no definite answer. Strange that it is not listed in the fluid capaciticies in the manual as far as I can see.

Any hard evidence or previous experience on this?

Euan
 

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A litre should be plenty.

No definitive answer, because no two flushes are going to be the same - sometimes it takes more, sometimes less, depends on how much needed to bleed correctly.
 

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I used about 1.1 litres for a full fluid change, that was sucking it out from all four corners and keeping the resevoir topped up. I recall being happy I'd purchased the second litre. Not expensive anyway.
Greg.
 
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