Perfco Performance Premium Wheel Spacers - BMW 4 Series (G2x) (2020-) Spacer Thickness:5mm which prevents the valve from

which prevents the valve from opening fully

Testing was completed on an independent dyno at Performance Remap in Gloucester on their VTEC 4 wheel-drive dynamometer

The actuator can be assembled with a stiffer spring upon request

Our system filters both PCV and intake breather systems to help keep your engine clean from harmful contaminants

with its open top design which not only looks aesthetically pleasing but is designed to increase the airflow and performance of your vehicle

Perfco Performance Premium Wheel Spacers - BMW 4 Series (G2x) (2020-) Spacer Thickness:5mm which prevents the valve fromImprove stance and wheel fitment of the BMW 4 Series with Perfco Performance Premium Wheel Spacers. All Perfco Performance Premium Wheel Spacers are hubcentric. Manufactured in Italy, each spacer is machined from billet aluminium and features a black anodised finish to ensure maximum quality. Perfco Performance Premium Wheel Spacer kits are sold per axle and include extended wheel bolts where required. Specification: PCD: 5x112 Centre Bore: 66. 5 *