No leaks at all, weird !
I have exactly that discolouration on my rear brake caliper hose, where the hose enters the hose union like yours.
No leaks at all, weird !
£160 contribution to replace brake lines?!!
I'd just buy a set from HEL and change them myself, I'm sure they'd be cheaper as well.
I know. How can a short bit of brake line cost more than £300 to replace!!!