Milltek BMW 1 Series M135i 3 & 5 Door (F21 & F20‚ None xDrive) 2012-2016 ValveSonic + Exhaust Make & Model_Audi RSQ3 MK2 Engineered and enhanced using only

Engineered and enhanced using only BorgWarner components

yet often overlooked

535i and Z4

The rotor and hat have a floating mount system that utilizes high-strength alloy steel bobbins

Milltek BMW 1 Series M135i 3 & 5 Door (F21 & F20‚ None xDrive) 2012-2016 ValveSonic + Exhaust Make & Model_Audi RSQ3 MK2 Engineered and enhanced using onlyAll Milltek performance exhaust systems are manufactured from T304L stainless steel; giving you the satisfaction of knowing that our products are meant to last within some of the toughest environments. T304L is a highly durable form of stainless steel that is far less susceptible to degradation and discolouration than many others of its kind, while it will last almost indefinitely.