2025 BMW M340i Maintenance guide
v1.0Updated Ethan Miller4 Sources Analyzed
The 2025 BMW M340i, with its 3.0L 4-cylinder engine and 8-speed automatic transmission, presents an excellent reliability verdict based on current data. However, limited information for a new model year necessitates adherence to a strict maintenance schedule to prevent potential issues.
Reliability Score
Est. Annual Maintenance Cost
$400 - $700
TSBs & Recalls
0 TSBs | 0 Recalls
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Key Takeaways
- The 2025 BMW M340i shows excellent initial reliability with no reported recalls or complaints.
- Adherence to the 10,000-mile oil change interval using 5W-30 synthetic oil is critical.
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Critical service intervals
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MethodologyHow we score →
Scores are derived from NHTSA recalls and owner complaints, normalized by vehicle segment averages.
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