S Smartbear Lifer a barn in Somerset Sep 13, 2016 #2 I don't think they can be changed in the si as they are actually part of the exhaust manifold? Rob
S Scooba_Steve Elite NW London & Somerset Sep 13, 2016 #3 Smarter than your average bear! http://www.realoem.com/bmw/enUS/showparts?id=BU52-EUR-03-2006-E85-BMW-Z4_30si&diagId=18_0651
Smarter than your average bear! http://www.realoem.com/bmw/enUS/showparts?id=BU52-EUR-03-2006-E85-BMW-Z4_30si&diagId=18_0651
