whoa, that's expensive for US I think. But good upgrade, probably realistically the first you should make since you're holding on to the thing all the time!
'14 Black F11 530xd - NOW
'07 Silver E86 Z4 Coupe 3.0si - SOLD '16
'07 Blue E90 325i - SOLD '12
'06 Silver E90 320d - SOLD '10
'98 Blue E36 320i - SOLD '06