* Based on opinions and should be considered as general guidance only.
- Reliability (3)While generally robust, some owners report minor electrical gremlins or sensor issues. The B58 engine is known for its reliability, but like any luxury car, potential for costly repairs exists as it ages.
- Maintenance (2)Maintenance costs can be high, typical for a premium German brand. Parts are expensive, and specialized labor is often required, making routine servicing and unexpected repairs a significant expense.
- Technology (4)The iDrive infotainment system is intuitive and responsive, featuring a clear display and useful connected services. While not the absolute cutting-edge, it's highly functional and user-friendly.
- Comfort (4)Comfort is generally very good, especially with the optional sport seats providing excellent support. The ride can be firm on rougher roads due to the sporty suspension, but it's well-controlled.
- Dynamics (5)The 2017 BMW 340i offers exceptional driving dynamics, with its powerful B58 engine providing smooth, rapid acceleration and the M Sport suspension delivering precise handling and a connected feel to the road.