BMW 3er G20 Limousine
Weaknesses, engine ratings and buying advice
480–510 PS
3.0L Biturbo Benzin
550 hp, xDrive, CSL technology in the saloon
Legendary!Engine Overview
The BMW 3er G20 Limousine is available with 12 engine variants — from 116 to 510 hp.
Vehicle Weaknesses
| Weakness | Cost | |
|---|---|---|
| 48V mild hybrid system fault On vehicles with the 48V mild hybrid system (320d, 330d, M340d), fault messages appear: 'Battery cannot be charged' or 'Do not continue driving'. Issue usually lies in the 48V sub-network. Symptoms: Warning 'Battery cannot be charged' on display, possible interruption of driving, power loss under certain conditions. from 60,000 km | High | |
| Curved display — static and image distortion The curved display module shows sporadic static image interference. Warranty replacement at around 5,000 € list price. Occurs on vehicles with under 2,000 km. Symptoms: Flickering or static image distortion on the display, sometimes visible when starting or shutting down. from 5,000 km | High | |
| ConnectedDrive / My BMW app connection drops Many G20 drivers report being repeatedly logged out of the My BMW app and ConnectedDrive. Software updates only fix the problem temporarily — a known systematic issue. Symptoms: App connection drops repeatedly, constant re-login required, online services temporarily unavailable. | Low |
Frequently Asked Questions
What problems and weaknesses does the BMW 3er G20 Limousine have? +
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Last updated: February 2026 · All information without guarantee