BMWs are renowned for their handling and safety. Part of the reason for that reputation was its braking performance. But brake discs can easily become thin and worn when used in stop-start city traffic, causing a pulsating sensation through the brake pedal. Restore the factory braking ability in your BMW (and with it, your confidence) by replacing the worn rear discs with these brand-new items from Zimmermann. The discs feature their own special Z-Coat technology to prevents them from rusting. Zimmermann are an original equipment supplier to BMW. Made in Germany.