The worst 2021 BMW 430i Convertible problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
Problems by type
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Recalls 1
Electrical system: starter assembly: relay
- What is wrong
- 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.
- Risk
- A short circuit in the starter relay may increase the risk of a fire.
- Remedy
- Owners are advised to park their vehicles outside and away from structures until the remedy is complete. Dealers will replace the engine starter, free of charge. Owner notification letters were mailed February 6, 2026. Owners may contact BMW customer service at 1‑800‑525‑7417. Vehicle Identification Numbers (VINs) involved in this recall became searchable on November 14, 2025.
Recall number 25V636000 · Recall details
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Questions about the 2021 BMW 430i Convertible
Is the 2021 BMW 430i Convertible reliable?
Owners have filed 0 complaints about the 2021 BMW 430i Convertible.
What is the most common problem with the 2021 BMW 430i Convertible?
There are not enough complaints to tell.
How many recalls does the 2021 BMW 430i Convertible have?
1 recall, covering electrical system.
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