Designed for use with 2015-2020 BMW F80 M3/M4 Skid Plate (HYPERLINK TO MMSD-F80-15), this specially designed diffuser creates a low pressure zone behind the oil cooler to evacuate air for improved cooling capabilities. The diffuser is also easily removable for when more ground clearance is needed. Backed by Mishimoto Lifetime Warranty.

What’s Included:

• Mishimoto 15-20 BMW F80 M3/M4 Skid Plate Replacement Diffuser

Vehicle Fitment:

• 2015-2018 BMW M3 Base
• 2015-2020 BMW M4 Base
• 2016 BMW M4 GTS
• 2019-2020 BMW M4 CS