Brembo Prime 09.B570.11 front axle brake disc for BMW X3 and X4. Coated, high-carbon internally vented disc, 328mm diameter x 28mm thickness, 5-hole bolt pattern with 75mm centering diameter. Minimum thickness 26.4mm, tightening torque 140 Nm. Premium OEM-equivalent replacement from Brembo's Prime line. Supplied with bolts and screws.