Fitment notes: 12V auxiliary battery; located in rear cargo area; main high-voltage battery is separate traction battery system
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Every control module on the 2022-2026 BMW iX — 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.
Electronic Transmission Control / Transmission Control Unit (EGS/TCU)3.0 hr R&Rsecurity gateway +1.0 hr▸ programming details
📍 Integrated with electric drive unit, under rear cargo floor center
Active Cruise Control Radar / Front Radar (ACC)1.5 hr R&Rsecurity gateway +1.2 hr▸ programming details
📍 Behind front bumper, center lower grille area
🔧 BMW ISTA + ICOM Next
⚠️ Adaptive cruise control and collision warning; radar alignment required after replacement or front-end collision; requires alignment bench or target
⚠️ Manages 12V battery charging from high-voltage system; battery registration required after 12V battery replacement
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 2022-2025 IX, 2023-2024 I7, and 2022-2023 i4 vehicles. The high-voltage battery cell modules may not have been assembled properly, resulting in stress on the module frame and possible module failure.
Consequence: Battery module failure may lead to a shutdown of the high-voltage system which can result in a loss of drive power, increasing the risk of a crash. In addition, module failure increases the risk of a fire.
Remedy: Dealers will replace specific high-voltage battery cell modules, free of charge. Interim owner notification letters explaining the safety risk were mailed September 11, 2025. Another notice will be sent once the remedy becomes available, anticipated December 31, 2025Owners 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 iX xDrive50 Dual Motor AWD 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.