Quote:
Originally Posted by bmwx1sq
The car had 15k on it. I m reusing the piston seals but I got new dust seals. When I took them out I put brake assemble lube all over them. Never put brake cleaner on them. Before I put them back in I wiped them and they were still in good condition. I know turner Motorsport selling the seals by size if I measure them. I think they are 40mm pistons.
Did you rebuild yours?
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Nope, didn't rebuild them. They had 13,000 miles and came from a salvaged 2016 435i. They barely looked used. I cleaned them to paint them and masked the piston boots and faces when I did.