Originally Posted by Nobleman
I have 535i xdrive and came with all four springs. Im not sure about the 528 xdrive. Check this web site site. When u click price guide, it will tell u how many springs are coming. www.cecwheels.com
On the website, 528 xdrive kit only has the front kit. But 535 xdrive come with both the front only kit and full kit.
I am not sure if it was an unintentional omission.