GoldenWrench BMW M Car Series BLACKLINE Performance Charge Cooler Tank Cap Cover Color:Red • Fuel economy unchanged during

• Fuel economy unchanged during normal driving

435i vehicles and more)

Replace the lower mesh grills on your front bumper with these carbon fiber ducts to increase air flow on top of adding a more aggressive touch to your M3/M4

Is your engine choking for air and in need of some additional horsepower

Fitment: 2014+ 4 Series M Sport

GoldenWrench BMW M Car Series BLACKLINE Performance Charge Cooler Tank Cap Cover Color:Red • Fuel economy unchanged duringThe follow up to our highly anticipated summer release (Billet Oil Cap Cover) is finally here for our all new BMW M Car Series Charge Cooler Coolant 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 for