BMW M340i M440i F3X Rear Toe Lockout Shims | XC3 Engineering Toyota The patented V3 attachment system

The patented V3 attachment system uses a retaining ring to secure the disc to the hat

All parts are inspected before shipment

F32 435i & F87 M2 (Non-Competition)

Ceramic Coating to reduce engine bay temperatures

BMW M340i M440i F3X Rear Toe Lockout Shims | XC3 Engineering Toyota The patented V3 attachment systemProduct Overview Stop rear toe misalignment with the XC3 Engineering Rear Toe Lockout Shims, a simple and robust solution for owners upgrading to adjustable rear toe arms on the BMW M340i M440i (F3X platform). The OEM rear suspension relies on eccentric adjustment bolts which can shift under load, leading to unwanted toe change and inconsistent handling. XC3 Toe Lockout Shims eliminate this weak point by replacing the eccentric adjustment with a