— 2020 — BMW M340i.

During our first trip out west, the active grille shutters that contribute to the M340i's aerodynamic slipperiness became stuck in the open position, illuminating a check-engine light. 40K Ask a Car and Driver editor what vehicles they own, and you'll get answers ranging from an Aston Martin Vantage to a Geo Tracker. $0 March 22, 2021 41,741 miles Dealer performs an oil change, inspects the vehicle, and replaces the cabin and engine air filters. $321 August 10, 2020 17,904 miles In response to a check-engine light, dealer discovers the active grille shutters are stuck in the open position and replaces the lower shutter assembly under warranty. [Extracted from the article]