I doubt anyone here has gone that far..but on the grounds I’ve done just about everything else..wondered if anyone had any real world experience of these things?
ultraracingshop.com

Ultra Racing BMW Z4 (E89) Rear Lower Brace URKR-RL5-2540
Mounting points - 5 Uses original nuts/bolts for mounting unless supplied Technical info: BEFORE :On uneven / bumpy road, center section chassis will have different level of body flex cause by the weight transfer between front and rear. AFTER :Ultra Racing’s side lower bar will stabilize the...
ultraracingshop.com
