BMW
BMW 3 Series
Explore the BMW 3 Series, a blend of performance and luxury that appeals to drivers seeking reliability and style.

In short
The BMW 3 Series is a premium compact executive car that has been a staple in the UK market for decades. Known for its sporty handling and luxurious interior, it attracts buyers who value performance and comfort. The current generation, introduced in 2018, continues this legacy with advanced technology and a range of efficient engines.
Generations and engines
The BMW 3 Series has evolved through several generations, with the F30 (2012-2019) and G20 (2019-present) being the most common on UK roads. The F30 offers a variety of petrol and diesel engines, including the popular 320d diesel and the sporty 330i petrol. The G20 builds on this with improved efficiency and performance, featuring engines like the 318i and 330e plug-in hybrid. Both generations are available with manual and automatic gearboxes, catering to different driving preferences.
Honest reliability snapshot
The BMW 3 Series has a mixed reputation for reliability, often praised for its driving dynamics but noted for potential maintenance costs. Compared to rivals like the Audi A4 and Mercedes-Benz C-Class, it stands well in terms of performance but may require careful consideration regarding long-term reliability.
What to read first
Start with our common-problems article to identify potential issues with the BMW 3 Series before making a purchase.
Guides for the BMW 3 Series
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Buying guide
A complete used-buyer checklist before you part with cash.
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Common problems
The faults this model is most known for.
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Top fixes
Practical fixes for the issues you will meet.
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MOT failure rates
What fails MOT most often and what each fix costs.
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Recall history
Recall summary: years affected, what was fixed, how to check your own car.
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Reliability
How dependable it actually is, by year.
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Running costs
What UK ownership really costs: fuel, insurance, tax, servicing, depreciation.
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Selling guide
Selling yours? How to show buyers the full history and close the sale faster.
BMW 3 Series by year
Generation-specific problem guides.
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