BMW Air Duct - Below Radiator Air Duct | 2016-2018 11-12-1-736-007 Optional German manufactured relays are

Optional German manufactured relays are also available

Diameter: 360mm

These pistons are high domed and high compression with tops that measure 11

5 quart deep sump for maximum engine cooling (up to a 40F oil temperature drop has been reported)

This prevents fuel starvation

BMW Air Duct - Below Radiator Air Duct | 2016-2018 11-12-1-736-007 Optional German manufactured relays areAir Duct Below Radiator Air Duct for 320i (2016 2018), 320i xDrive (2016 2018), 330i (2017 2018), 330i xDrive (2017 2018), 330e (2016 2018), 340i (2016 2018), 340i xDrive (2016 2018), 328d (2016 2018), 328d xDrive (2016 2018), 328i (2016), 328i xDrive (2016)