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BMW X3 2021

Analysis of 319 active listings for BMW X3 2021 from mobile.bg, cars.bg and other sources. Real market prices, known engine issues and what to check before buying.

Hybrid 129Diesel 100Petrol 80Electric 11Other 1

📊 Market data

⚙️ Engines — what to expect

BMW B-series diesel — B47

2.0L Diesel 150–231 к.с. Reliability: good Risk: 3/10 (low)

Known issues

  • Like all modern diesels, DPF can clog if driven mostly short city trips. (~400–1 200 € repair)
  • EGR cooler can develop internal leaks, causing coolant loss and white smoke. (~500–1 200 € repair)
  • Piezo injectors can fail individually. Usually one at a time. (~250–500 € repair)

BMW B-series petrol — B48

2.0L Petrol 184–258 к.с. Reliability: good Risk: 3/10 (low)

Known issues

  • Some early units consume oil above normal. Check oil level regularly. (~100–2 000 € repair)
  • Direct injection causes carbon deposits on intake valves. Walnut blasting may be needed. (~250–600 € repair)
  • Coolant reservoir or thermostat housing can develop micro-cracks. (~200–600 € repair)
  • HPFP can wear over time, causing rough running or hard starts. (~500–1 200 € repair)

BMW B57 3.0 quad-turbo diesel — B57

3.0L Diesel 265–400 к.с. Reliability: average Risk: 5/10 (medium)

Known issues

  • EGR cooler can leak coolant into exhaust — white smoke. Can also contaminate oil. (~500–1 500 € repair)
  • Complex exhaust aftertreatment — AdBlue injection can clog or fail. SCR catalyst expensive. (~400–2 000 € repair)
  • B57D30S0 (quad-turbo) has 4 turbos — any failure is expensive and complex. Parts supply limited. (~2 000–6 000 € repair)
  • Injectors can develop leak-back at higher mileage, causing hard starts. (~600–1 500 € repair)
  • Turbo oil feed lines can coke with long oil intervals, accelerating turbo wear. (~400–1 200 € repair)

🚨 What to check before buying

Overall risk score: 5/10

Additional notes

🔥 Current market offers

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