These BMW snow chains have been specially adapted to the requirements of your 7 Series. The optional rear wheel steering means your 7 Series places exacting requirements on the snow chain. A sturdy plastic ring provides optimum protection and prevents the alloy wheels from being scratched by the chain elements. The tried-and-tested spring steel clip facilitates mounting of the sonw chain evenly if the wheel arch box has already been blocked up with snow. Quick and easy to install. Set includes 1 pair in carrier pouch.