BMW is upgrading its i4 eDrive35 and eDrive40 models with silicon carbide (SiC) inverter technology beginning July 2025. This change boosts efficiency—around a 4.5% reduction in power consumption—and adds up to 22 km of extra WLTP range.
The company is expanding its Digital Key / Digital Key Plus across multiple model lines:
From July 2025: Digital Key becomes standard on iX (since March), 1 Series, 2 Series Gran Coupé, 2 Series Active Tourer, X1, X2, 5 Series Sedan & Touring, M5 (Sedan & Touring), and 7 Series.
By August 2025: Extended rollout to X5, X5 M, X6, X6 M, X7, and XM; in the U.S. and South Africa, the X3 receives updates in August (US) and September (SA).
The Setup Card + Service Card system simplifies pairing with smartphones (up to 18 devices), supports role-based access, and enables parental limits.
Efficiency gains: The SiC inverter upgrade delivers more effective energy use and extends driving range—especially appealing to i4 owners.
Seamless access: The Digital Key experience is becoming more accessible—streamlined setup, secure sharing, more model coverage, and improved control features.
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Security-certified: Digital Key Plus already achieved CCC certification for interoperability/security and won AJAC’s 2025 Best Safety Innovation Award.
