BMW 3 Series2017

• Diesel engines here suffer DPF blockages if mostly short urban trips — confirm full-load motorway drives every 500+ km or expect €800–€1,500 cleaning bills.
• Strong 15.5% year-on-year price rise signals solid demand; €18,622 median sits fair-value for mileage and age, neither bargain nor overpriced versus market.
• Turbocharger carbon build-up and EGR stiction are common — rough idle, black smoke, or limp-mode warnings are deal-breakers; budget €1,200–€2,000+ for turbo replacement if needed.
• Before purchase, request full service history and ask owner bluntly about DPF regeneration cycles; have a diesel specialist pre-purchase inspect for turbo seals and carbon deposits.

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