2018 BMW 340i Maintenance guide
v1.0Updated Daniel Wilson4 Sources Analyzed1 Critical Recalls
The 2018 BMW 340i, with a 'Good' reliability verdict, presents a manageable maintenance profile. A significant recall for the crankshaft sensor warrants verification of repair.
Reliability Score
Est. Annual Maintenance Cost
$500 - $800
TSBs & Recalls
22 TSBs | 1 Recalls
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Key Takeaways
- Verify the crankshaft sensor recall has been completed.
- Monitor for potential vacuum leaks and oil leaks from the valve cover gasket.
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Critical service intervals
Common failure analysis
Symptoms and prevention guidance
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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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