BMW gas tank sizes
60 models, tanks from 1.9–25.1 gallons. Pick one for every year and trim.
Current models
2 Series2014–2026 · 13.7 gal
2 Series Gran Coupe2020–2027 · 12.9–13.2 gal
3 Series1990–2026 · 10.6–17.2 gal
4 Series2014–2027 · 15.5–15.8 gal
4 Series Gran Coupe2015–2027 · 15.6–15.8 gal
5 Series1990–2027 · 12.1–21.1 gal
7 Series1990–2027 · 12.1–25.1 gal
8 Series1991–2026 · 18.0–23.8 gal
8 Series Gran Coupe2020–2026 · 18.0 gal
ALPINA B8 Gran Coupe2022–2025 · 18.0 gal
ALPINA XB72021–2026 · 21.9 gal
M22016–2026 · 13.7 gal
M2 CS2020–2026 · 13.7 gal
M31990–2027 · 14.5–17.2 gal
M42015–2027 · 15.6–15.8 gal
M4 CS2019–2025 · 15.6–15.8 gal
M51991–2027 · 15.9–21.1 gal
M82020–2025 · 20.1 gal
M8 Gran Coupe2020–2025 · 20.1 gal
X12013–2027 · 14.3–16.6 gal
X22018–2027 · 14.3–16.1 gal
X32004–2026 · 13.2–17.7 gal
X42015–2025 · 17.2–17.7 gal
X4 M2020–2025 · 17.2 gal
X52000–2026 · 18.2–24.6 gal
X5 M2010–2026 · 21.9–22.5 gal
X62009–2027 · 21.9–22.5 gal
X6 M2010–2027 · 21.9–22.5 gal
X72019–2027 · 21.9 gal
XM2023–2025 · 18.2 gal
XM Label2026 · 18.2 gal
Z42003–2026 · 13.7–14.5 gal
Older models
1 Series2008–2013 · 14.0 gal
1 Series M2011 · 14.0 gal
3 Series eDrive2016 · 10.8 gal
3 Series Gran Turismo2014–2019 · 15.8 gal
5 Series Gran Turismo2010–2017 · 18.5 gal
6 Series2004–2018 · 18.5 gal
6 Series Gran Coupe2013–2019 · 18.5 gal
6 Series Gran Turismo2018–2019 · 18.0 gal
ActiveHybrid 52012–2016 · 17.7–18.5 gal
ActiveHybrid 72011–2015 · 20.1–21.7 gal
ActiveHybrid X62010–2011 · 22.5 gal
Alpina2003 · 19.3 gal
ALPINA B6 Gran Coupe2015–2019 · 18.5 gal
ALPINA B72007–2022 · 20.6–23.3 gal
i32014–2021 · 1.9–2.4 gal
i82014–2020 · 11.1 gal
M1998–2006 · 13.5–16.6 gal
M3 CS2018–2024 · 15.6–15.9 gal
M4 CSL2023 · 15.6 gal
M4 GTS2016 · 15.8 gal
M5 CS2022 · 20.1 gal
M62006–2018 · 18.5–21.1 gal
M6 Gran Coupe2014–2019 · 21.1 gal
X3 M2020–2024 · 17.2 gal
X5 eDrive2016 · 22.4 gal
Z31996–2002 · 13.5 gal
Z4 M2007–2008 · 14.5 gal
Z82000–2003 · 19.3 gal
Tank sizes are in US gallons, across every year of that model.