XC3 Engineering BMW M2 M3 M4 F8X Upgraded Front Hub Pinch Bolt This kit provides all the hardware needed to upgrade the BMW hub pinch bolt The common issue with the OEM pinch bolt is that over time it slightly works its self loose, creating a creaking noise from the front end when turning at low speeds. Our kit provides a stronger 12.9 tensile Bolt plus Nylon locking nut to irradicate this problem. BMW OEM bolt is 10.9 tensile. Sold as a kit for both sides.
