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EBC Ultimax slotted rear rotors for 2003–2009 BMW Z4 2.5 employ progressively angled slots to reduce air noise while drawing cooling air to lower rotor temperatures. The slot pattern helps clear debris and maintain pad bite, extending pad life and keeping braking consistent. These OE-style discs aim to combine quiet operation with the thermal advantages of slotted rotors.
EBC 03-09 BMW Z4 2.5 Premium Rear Rotors
