Fitment notes: AGM battery required for start-stop system; located in trunk
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Every control module on the 2022-2026 BMW 430i — where it lives, replacement time, and what it takes to program a replacement. Modules marked dealer / factory tool won't work after a part swap alone — budget for programming.
⚠️ Memory seat settings lost; occupancy sensor calibration may be needed
Digital Display Key Module (DDK)security gateway +0.5 hr▸ programming details
📍 Integrated with CAS/FEM
🔧 BMW ISTA + ICOM Next
⚠️ Software module only; no physical replacement; requires compatible smartphone and BMW app pairing
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour? Tell us — corrections ship fast here.
BMW of North America, LLC (BMW) is recalling certain 2025 330i, 330i xDrive, 530i, 530i xDrive, 4 Series Coupe (430i, 430i xDrive), 4 Series Convertible (430i, 430i xDrive), 4 Series Gran Coupe (430i, 430i xDrive) and X3 30 xDrive vehicles. The electrical connection between the starter-generator and battery may come loose.
Consequence: A loose starter-generator connection can result in an engine stall, increasing the risk of a crash. In addition, the wiring may overheat, increasing the risk of a fire.
Remedy: Dealers will inspect and replace the starter-generator and positive battery cable as necessary, free of charge. Interim owner letters notifying owners of the safety risk were mailed May 28, 2025. Second letters will be sent once the remedy is available. Owners may contact BMW customer service at 1-800-525-7417.
Size-standard part numbers — verify your connector type before buying. Rear blades are model-specific; check the package's vehicle list.
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 2025 BMW 430i 2.0L Turbo I4 and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years.