Originally Posted by
gaz s1
ive had rear discs on my s1 for 7 years with cossie up front and never had the rears locking up and ive done several track days with no probs, is this a s2 problem i dont know

Not sure if S2' suffer more...
But loads of reports of locking up the rear when emergency (a.k.a Shit yourself) braking......
Not difficult (or costly) to change lines, junk rear compensators & fit A Bias valve