Sports car
2021 BMW Z4: problems, recalls and fuel economy
Not rated yet
Owners have filed 1 complaints about the 2021 BMW Z4 with NHTSA, and it has 5 recalls. We don't rate it yet: a rating needs sales figures to turn complaints into rates.
Owner complaints
1
filed with NHTSA
Recalls
5
on record
Fuel economy
28 mpg
best version, EPA combined
Fuel, 5 years
$7,286
12,000 mi a year, $3.40/gal
Engines and fuel economy
| Version | Drive | Combined |
|---|---|---|
| Automatic (S8), 4 cyl, 2.0 L | Rear-Wheel Drive | 28 mpg |
| Automatic (S8), 6 cyl, 3.0 L | Rear-Wheel Drive | 25 mpg |
Recalls
Electrical System › Starter AssemblyJan 30, 2026 · campaign 26V056000
BMW of North America, LLC (BMW) is recalling certain 2021-2023 Toyota Supra, 2022-2023 2 Series Coupe, 2021-2024 5 Series (xDrive), 2021-2022 Z4, 2022-2024 4 Series (Gran Coupe), 2021-2024 4 Series (Convertible and xDrive Convertible), 2021-2023 4 Series (Coupe), 2021-2024 3 Series, 2021-2023 X4, 2021-2024 X3 vehicles. Please see the recall report for a complete list of all models. The engine star
Electrical System › Starter Assembly › RelaySep 23, 2025 · campaign 25V636000
BMW of North America, LLC (BMW) is recalling certain 2019-2021 BMW 330i, 2019-2022 BMW Z4, 2020-2022 BMW 530i, X3, X4, Toyota Supra, 2021-2022 BMW 430i, 430i Convertible, and 2022 BMW 230i vehicles. The engine starter relay may corrode, causing the relay to overheat and short circuit.
EngineAug 2, 2021 · campaign 21V598000
BMW of North America, LLC (BMW) is recalling certain 2020 M340i, M340i xDrive, 540i, 540i xDrive, X3 M40i, 2020-2021 X4 M40i, 745Le xDrive, 2019-2021 Z4 M40i, and 2020-2021 Toyota Supra vehicles. During engine start, the engine management software may cause loss of braking assist. Full mechanical braking (without assist) remains available.
Seat BeltsJul 21, 2021 · campaign 21V554000
BMW of North America, LLC (BMW) is recalling certain 2021 2 Series (230i, 230i xDrive, M240i, M240i xDrive), 330e, 330e Xdrive, 4 Series Coupe (430i, 430i xDrive, M440i xDrive) M4 Coupe, M4 Competition Coupe, BMW 4 Series Convertible (430i, M440i), BMW X1 sDrive28i, xDrive28i, 2 Series Gran Coupe (228i, 228i xDrive, M235i xDrive), M2 Competition Coupe, 330i, 330i xDrive, M340i, M340i xDrive, M3, M
Fuel System, Gasoline › Storage › Tank AssemblyNov 12, 2020 · campaign 20V700000
BMW of North America, LLC (BMW) is recalling certain 2020-2021 Z4 and 2020-2021 Toyota Supra vehicles. The weld between the fuel tank halves may have been insufficiently welded, causing the weld to fail.
Check whether a specific car still has open recalls with its VIN at nhtsa.gov/recalls.
Before you buy
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Other years of the BMW Z4
| Year | Reliability |
|---|---|
| 2026 | Not rated yet |
| 2025 | Not rated yet |
| 2024 | Not rated yet |
| 2023 | Not rated yet |
| 2022 | Not rated yet |
| 2021 | Not rated yet |
| 2020 | Not rated yet |
| 2019 | Not rated yet |
| 2016 | Not rated yet |
| 2015 | Not rated yet |
Questions people ask
What problems does the 2021 BMW Z4 have?
Owners have filed 1 complaints with NHTSA. We don't rate it yet, so this count isn't a reliability score: popular cars get more complaints.
How many recalls does the 2021 BMW Z4 have?
5 recalls on record with NHTSA.
What gas mileage does the 2021 BMW Z4 get?
Up to 28 mpg combined (EPA), depending on the engine.