BMW 3 Series used buying guide
The driver's choice of the class, but older diesels carry real chain and EGR risk. Pay for an inspection or buy a model with the issues already resolved.
Higher riskTypical from ~£8,000
Common issues to watch
- •N47 diesel timing chains are a known failure point — listen for chain rattle and confirm a documented chain check or replacement.
- •EGR cooler recall on some diesels — confirm the recall was completed.
- •Run-flat tyres and stiff suspension can mean cracked alloys and bush wear.
What to check before you buy
- Listen for timing-chain rattle on start-up.
- Confirm EGR cooler recall status via DVSA.
- Check alloys for cracks and suspension for knocks.
Our verdict
The driver's choice of the class, but older diesels carry real chain and EGR risk. Pay for an inspection or buy a model with the issues already resolved.
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