GoldenWrench BMW M Car Series BLACKLINE Performance Expansion Tank Cap Cover Tuning for cars equipped with high-flow

for cars equipped with high-flow downpipe

a remote for controlling the valved exhausts

and make a statement on the road with this exceptional catback exhaust

-Please allow 2-3 weeks for any custom paint orders

GoldenWrench BMW M Car Series BLACKLINE Performance Expansion Tank Cap Cover Tuning for cars equipped with high-flowThe follow up to our highly anticipated summer release (Billet Oil Cap Cover) is finally here for our all new BMW M Car Series Billet Coolant Expansion Tank Cap Cover! These are our most complex pieces created to date. Meticulously designed and created in house to the highest precision and quality seen on our other products giving the factory units an all new form factor. We bring to you the newest addition to the BLACKLINE Performance product line