BMW M4 Ducktail Spoiler 2014-2020 F82 SHIROKAI

Enhance the look and performance of your BMW with the SHIROKAI BMW M4 F82 ducktail spoiler. Built for the 2014–2020 M4 F82, it adds bold style and improved aerodynamics with a sharper rear-end look — and it makes a perfect first step toward a full BMW M4 F82 widebody kit build.

BMW M4 F82 Ducktail Spoiler Fit & Style

The spoiler mounts cleanly to the trunk and follows the unique contours of the 2014, 2015, 2016, 2017, 2018, 2019 and 2020 BMW M4 F82 — integrated and purposeful from every angle. Lightweight and durable, made to resist weather and daily use even under extreme conditions.

Installation

Installs on top of your trunk. You may need to drill a few holes and use double-sided tape and/or rivnuts. Easy install in 30–60 minutes with the right tools — no heavy modifications required. The shape sits naturally on the trunk lid.

Performance & Pairing

Created to boost downforce, it increases rear-end stability at speed — more confidence on the highway and through corners. A balanced mix of motorsport-inspired style and real performance. Pair it with our BMW M4 F82 widebody kit for the complete build.