APEX wheels are stronger, lighter wheels than typical cast wheels thanks to their Flow-formed semi-forging process. These wheels are on average 10lbs lighter or more! This reduces unsprung weight, allow for the best performance possible. The spokes and barrel are designed to allow as much room as possible for brake systems, while retaining a classic motorsports theme that matches perfectly with the aggressive BMW style. Thanks to these qualities, these wheels will keep your looks and performing at your best with plenty of confidence!