2014–2021 BMW 428i/430i/440i (F32/F33/F36), all trims/engine variants. 2014–2021 BMW 420d/430d/420i (F32/F33/F36), all trims/engine variants. 2014–2021 BMW M4 (F82/F83), all trims/engine variants. The AST ASTLS‑21‑041 Lowering Springs are designed for the BMW 4 Series (F32/F33/F36) and M4 (F82/F83) models produced between 2014 and 2021.
