Mishimoto · New
Mishimoto 15-20 BMW F80 M3/M4 Skid Plate Replacement Diffuser
MPN MMRP-F80SD-DIF · Store SKU misMMRP-F80SD-DIF
Supplier stock checked 11/7/2026, 9:59:42 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
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. High-performance component engineered for durability, efficiency, and reliable operation under demanding conditions. Designed to support optimal system function across a wide range of automotive applications. Skid Plate, Replacement Diffuser, fits BMW F80 M3/M4 2015-2020
Manufacturer fitment & guides
Check MMRP-F80SD-DIF against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y